Airspeed Envoy / AS.6

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Airspeed - AS.9 - 1934 - Великобритания Airspeed - Viceroy / AS.8 - 1934 - Великобритания

Страна Country: ВеликобританияUnited Kingdom

Год Year: 1934

Девятиместный легкий транспортный самолет

Варианты Variants

Airspeed - Envoy / AS.6 - 1934 - ВеликобританияUnited Kingdom
Airspeed - Viceroy / AS.8 - 1934 - ВеликобританияUnited Kingdom

Airspeed AS.6 Envoy

Проектирование самолета, получившего обозначение Airspeed AS.6 Envoy, началось в конце 1933 года. Он был задуман, как дальнейшее развитие удачного AS.5 Courier, увеличенного в размерах и оснащенного двумя двигателями. Прототип впервые поднялся в воздух 26 июня 1934 года. Всего было построено 49 самолетов этого типа.
   В стандартной компоновке Envoy вмещал одного пилота и до восьми пассажиров. Самолет имел цельнодеревянную конструкцию, с фанерной обшивкой, за исключением обтянутых полотном рулевых поверхностей. Особенностями машины были переставной стабилизатор и убирающиеся основные стойки шасси. Самолет выпускался с 1934 по 1939 год в трех модификациях. Первая, AS.6 Envoy Series I (построено 17 машин), не имела закрылков. На AS.6 Envoy Series II (13 машин) ввели разрезные закрылки. Третья модификация, AS.6 Envoy Series III (19 машин), была похожа на Series II, но в ее конструкцию внесли множество мелких доработок. В качестве силовой установки на Envoy могли использоваться различные поршневые двигатели воздушного охлаждения разной мощности и разных производителей.
   Самолеты Envoy экспортировались в Китай, Чехословакию, Францию, Индию и Японию. Для военных целей они использовались ВВС и ВМС Великобритании, а также южноафриканскими ВВС. Несколько машин приняли участие в гражданской войне в Испании. Первый Envoy Series II, поставленный RAF, стал первым самолетом в Королевском авиаотряде.
   Британские ВВС также приобрели две машины для службы связи в Индии и пять - для использования в той же роли в своей стране. По крайней мере один из них использовался во время Второй мировой войны ВМС, а еще три - ВВС. Южная Африка приобрела семь Envoy в 1936 году; три из них использовались ВВС и несли вооружение, включающее один неподвижный 7,7-мм пулемет для стрельбы вперед и один такой же пулемет на верхней турели. Четыре гражданские машины, принадлежавшие авиакомпании "South African Airways", можно было быстро переоборудовать для военного применения.
   Специальный вариант AS.6, получивший обозначение AS.8 Viceroy, был построен для участия в воздушной гонке MacRobertson в 1934 году.

ТАКТИКО-ТЕХНИЧЕСКИЕ ХАРАКТЕРИСТИКИ

   Airspeed AS.6J Envoy

   Тип: девятиместный легкий транспортный самолет
   Силовая установка: два мотора воздушного охлаждения Armstrong Siddeley Cheetah IX, взлетной мощностью по 350 л. с. (261 кВт)
   Летные характеристики: максимальная скорость 338 км/ч на высоте 2225 м; крейсерская скорость 290 км/ч на высоте 3050 м; время набора высоты 3050 м - 8 минут; потолок 6860 м; дальность полета 1046 км
   Масса: пустого снаряженного 1840 кг; максимальная взлетная 2858 кг; максимальная полезная нагрузка 625 кг
   Размеры: размах крыла 10,52 м; длина 10,53 м; высота 2,90 м; площадь крыла 31,49 мг

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Flight, July 1934

THE AIRSPEED "ENVOY"
High Speed, Retractable Undercarriage and Long Range are among the Chief Features of the Latest Production of Airspeed, Ltd.

   IN the early part of last year Flight published the first detailed account of the Airspeed "Courier." This was the first British aeroplane to use a retractable undercarriage with all its attendant advantages. The "Courier," as will be seen from that description (March 23, 1933, page 266), was a successful attempt on the part of Mr. N. S. Norway and Mr. A. Hessell Tiltman to provide an aeroplane having a high cruising speed but which was economical to operate. Since that time a considerable number of "Couriers" have been built, and recently the 277 h.p. Siddeley "Cheetah" engine has been fitted instead of the "Lynx," thus raising the cruising speed to 150 m.p.h.
   Now, in response to a demand for a machine of rather better performance, but with the added safety of two engines, the "Envoy" has been produced. The first of these has been built, with Wolseley engines, to the order of Lord Nuffield for the England-Australia race. Others of the type are under construction, and one, designated the A.S.8, which will have supercharged "Cheetah" engines, will be flown in the race by Capt. T. N. Stack.
   As is usual with an aeroplane of this size for commercial purposes, the cabin accommodation may be varied to suit the purchaser. This first model will have seats for six passengers and one pilot. Obviously, by varying the number of passengers the amount of fuel carried may be altered and the range increased or decreased accordingly. With six passengers the tanks hold sufficient for a range in still air of 403 miles.
   Structurally the "Envoy" differs but little from the "Courier." In fact, the outer wing-sections are interchangeable between the two types. Wings and fuselage are mainly composed of plywood and spruce. The covering of the latter is three-ply wood, and of the former, doped fabric. The front portion of the fuselage, forming the cabin accommodation for the passengers and pilot, is practically of monocoque construction, with a three-ply skin. Particular care has been taken to ensure that the passengers do not suffer from lack of light or ventilation. In the pilot's cockpit all the front windows can be opened so that they can be cleaned easily during flight. The centre-section, upon which the fuselage is mounted and which forms the cabin floor, carries both engines, the fuel tanks and both sides of the retractable undercarriage. This centre-section is built up as a single unit, with very heavy bracing between the box type spars. The outer portions of the wings are attached to these spars by heavy steel bolts passing through vertical hinges, which are secured to the spars by means of laminated steel plates, so that the extension planes can be quickly detached. These planes are heavily tapered both in plan form and profile, the section used being Clark Y.H. suitably "stepped" to give the necessary taper. Special precautions have been taken to ensure a high degree of torsional rigidity in the wings, so that the whole structure is extremely stiff. The main-plane spars are of the box type of construction, with spruce flanges and three-ply webs. The webs are particularly interesting as the plywood used has the centre lamination double the thickness of those outside it. Moreover, this plywood is laid on the spar with the grain of the wood at 45 deg. to the spar axis. In this manner a high strength/weight ratio has been achieved.
   The wing ribs are of spruce, as is the drag-bracing system, which has been designed to provide a high degree of torsional stiffness. The wings and Frise type ailerons are fabric-covered. The retractable undercarriage is almost identical with that of the "Courier," and is extremely simple. The Vickers oleo-pneumatic compression strut is hinged to the front spar in the same plane as the bent axle. The radius rod running backwards to the rear spar is divided unequally, the short portion being in front. An oil cylinder is attached to the top of the rear spar, and in it is a piston with the piston rod attached to the front end of the longer portion of the radius rod. When the piston is withdrawn into the cylinder by means of oil pressure, the radius rod is bent and pulled upwards into the wind, carrying with it the undercarriage and about three-quarters of the landing wheel. This is arranged so that in cases of dire emergency on very rough ground the pilot could land a machine with the wheels in the retracted position, knowing that there would be no possibility of turning over on doing so. An electrical indicator system is fitted to tell the pilot the position of the wheels.
   The flying controls provided for the pilot consist of a control wheel and parallel-motion pedals for rudder operation, combined with a very neat form of rudder bias gear enabling the machine to be flown easily in the event of a failure of one engine. Tail plane trimming gear is provided which operates in the normal manner.
   The whole of the tail units are extremely clean in design, and while being efficient offer very little drag. Although there are no external bracing wires or struts, both the fin and tail are exceptionally rigid, and great care has been taken to eliminate any possibility of flutter in the tail plane or rudder by maintaining a high degree of torsional stiffness throughout the whole of the rear part of the fuselage.

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Flight, January 1935

FOR FAST COMMERCIAL TRANSPORT
The Airspeed "Overseas Models,” with "Lynx IV.C" Engines: A Wide Choice of Equipment and a High Performance

   KNOWN as the "Overseas Model," an improved version of the "Envoy" has recently been produced at the Portsmouth works of Airspeed, Ltd. It is fitted with two "Lynx IV.C" engines (240 h.p. at 2,090 r.p.m.), which give a top speed of 174 m.p.h. Basically, this "Envoy" is practically identical with that built for the late Mr. C. T. Ulm, and differs but little from the Wolseley-engined “Envoy” which was described in Flight of July 12, 1934.
   The cabin of this new model can be arranged either as a six- or eight-seater, and the performance in general considerably surpasses that of the previous machine. Certain structural alterations to the centre section of the wing have enabled the all-up weight to be increased to 5,850 lb., which means that, despite the extra weight of the larger engines, a usefully large payload is still permissible, with a long range.
   The well-known Airspeed retractable undercarriage is retained, and behind the engines are fairings very similar to those placed behind the "Cheetah" engines in the "Viceroy," which Capt. Stack flew in the England-Australia Air Race. The leading edge of the outer portions of the wings has now been completely covered with plywood extending from the top of the front spar around the leading edge to the bottom of the front spar, thus making a structure both rigid in torsion and so strong that it will not be damaged when pushed against while manhandling the machine. The cabin upholstery has been done, like that of so many of the well-equipped and comfortable aircraft nowadays, by L. A. Rumbold and Co., and in the model we tried the seats were very comfortable indeed.
   The general equipment is very full, with small folding tables and an ashtray for each seat. A Plessey A.C.44 wireless set is let into the after bulkhead of the cabin in a very neat manner, the remote control being contained in a very small box and mounted close by the pilot's right hand. Behind the after bulkhead is a spacious luggage compartment. The internal arrangements of the cabin can, of course, be varied to suit any individual operator's wishes, but the arrangement just described is one which should have a wide appeal for those whose flights are likely to be upwards of 400 miles.
   In the air the “Envoy” had all the attributes of a fairly heavily loaded high-speed machine - that is to say, in bumps the movement was comparatively hard, short, and sharp, but without producing any particularly disagreeable sensation in the passengers. Flaps have not been fitted, as the manufacturers feel that not only are the take-off and landing adequately short without their use, but that their incorporation would entail an increase of structural weight which would result in an undue decrease of payload. The take-off, considering that no flaps are fitted, is good; and, in the matter of landing, it must be remembered that the undercarriage, when in the lowered position, acts to a certain extent in the same manner as would flaps - that is to say, it increases the drag very considerably, and steepens the glide of the machine appreciably. Thus, although the "Envoy” is a clean machine with a high performance, it is still possible to land it off a steep approach over high obstacles.
   We did not, on this occasion, have the opportunity of piloting the machine, but from what we saw, and from the opinion of pilots who have flown it under both good and very bad conditions, it is clear that it retains all those most desirable characteristics which were embodied in the Airspeed "Courier," which was described in Flight of March 23, 1933.
   There is, of course, the usual tail-trimming gear, consisting of a screw-operated mechanism which alters the position of the leading edge of the tail plane; and, in addition, a rudder bias gear is fitted which enables the machine to be flown hands off with one engine cut out. Another refinement which many pilots will like is the aileron bias gear, whereby lateral trim can be altered, not only for single-engine conditions, but also to allow for the idiosyncrasies of pilots, the majority of whom fly with one wing slightly lower than the other.
   It is difficult to imagine any aeroplane which allows a better outlook from the pilot's cockpit. The deep, vee-shaped windows are at such an angle that they do not collect fine rain or snow, and are low enough to permit the pilot to look almost vertically below him. The large window in the front on his left-hand side is also split vertically, so that when the visibility is really bad half the window may be slid to one side, leaving an opening through which he can see clearly.
   About the operation of the retractable undercarriage we need say very little, as this has been described very fully in connection with previous Airspeed machines; the pump handle at the right-hand side is easy to work.
   This particular "Envoy" has been built for demonstration in India, and it left this week, via Spain, where Sir Alan Cobham, who was accompanying it, hopes to demonstrate. It will be flown by Flt. Lt. H. C. Johnson.

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Flight, March 1936

FLAPPED EFFICIENCY
Easy Approach Characteristics of A.S.6 Envoy Series II: Lower Landing Speed

   WHEN the necessity for combining commercial efficiency with higher speeds inevitably drove designers to reduce drag as far as was practicable, it was obvious that some means had to be evolved for reducing this inspired cleanliness at will. No aerodrome in the world would be large enough - or, at least, sufficiently free from obstructions - for a machine in which the reduction of parasitic drag had been carried to its logical conclusion.
   With the arrival of the modern conception in high-speed transport machines, therefore, there came also the flap. Originally developed with the idea of increasing lift and thereby lowering the landing speed of machines with a high wing loading, flaps are looked upon by pilots, at least, almost entirely in the light of their capacity for steepening the approach.
   Certainly there can be few transport aeroplanes with an approach as steep as that of the latest Envoy with its split trailing-edge flaps lowered. Furthermore, this machine can be brought in safely at a speed which would hardly be credited by anyone who had not actually watched the A.S.I.
   Translated into bald figures, the stalling speed of the Series II has been reduced by 9 m.p.h. with the help of these flaps, and the landing run has been reduced by 50 per cent, or thereabouts. In its unflapped form the Envoy stalls at an indicated 55 m.p.h.; the touch-down now takes place with the needle lying between 40 and 45 m.p.h. An average of twelve landings in a 5-m.p.h. wind gave, it is understood, a figure of 140 yards for the landing run. It was found, however, that the increased drag virtually balanced the increased lift during the take-off, which we roughly timed as taking 13 seconds in a 10-m.p.h. wind with a medium load.
   Unfortunately, the most pronounced effect of the flaps - during the approach - cannot be indicated with the assistance of figures, but can only be seen and felt. At a gliding speed of 60-65 m.p.h. this flapped approach can best be described as being as steep as that of a training type. At 50-55 m.p.h. it is even steeper, though the attitude of the machine is, of course, somewhat nose-high and the sink is pronounced enough to demand a little extra speed before holding off for the landing.
   Nor is any particular skill required for a short landing. Flt. Lt. C. H. A. Colman, of course, as the Airspeed demonstration pilot, can make the new Envoy do some very remarkable things, but, at the Heston demonstration last week, at least two pilots having no previous experience of the machine made approaches and short landings which would not have disgraced the pilot of a light aeroplane.
   Despite the many statements made by research experts, Mr Errington, the chief test pilot, claims that the flaps-down stall is quite innocuous and that the Envoy, which has in addition, rather pronouncedly tapered wings, does not tend to drop a wing even from a full stall. The loss of height, he says, is quite a lot less than in the case of the unflapped type - approximately 300 ft. as compared with 500 ft. indicated on a sensitive altimeter. If the machine is trimmed correctly for a 65 m.p.h. glide the effect of lowering the flaps is merely to depress the nose with no change in the indicated air speed. Aileron control remains down to the moment of stall.
   The normal hydraulic gear which is used for the retractable undercarriage is also used for the flap operation. It may be remembered that, on previous Envoys, a pump handle and a change-over lever are placed to the right of the pilot. With the Series II a third lever is placed on the pilot's left, beside the tail-trimming wheel; according to its position the normal "up or down" control and the pump handle operate either the undercarriage or the flaps. In the experimental model, at least, the flap position is indicated by means of a pointer on the right-hand side of the control cabin.
   In the air there is little chance that the pilot might make a mistake, since, with the undercarriage still up, the warning syren would indicate the fact as soon as the engines were throttled back, and, in any case, feel, sound and sight would tell him that the flaps, rather than the undercarriage, were being lowered. A very careless pilot might possibly pump the undercarriage up while the machine was on the ground, but in just the same way, he might also do a number of other foolish things in any aeroplane. One of the more interesting flying characteristics of the Envoy, incidentally, is that the take-off is best made tail down - with the trimmer wound well back. As soon as the machine leaves the ground the wheel can be wound forward again before attending to the undercarriage pump.
   The particular machine used for the demonstration was fitted with Wolseley Scorpio engines which, when turning over a t 2,200 r.p.m. gave a cruising speed of approximately 150 m.p.h. The Rotax electric starters were noticeably quiet and efficient in action.
   High performance for a modest power expenditure has been a feature of all Airspeed machines since Messrs. Tiltman and Norway first introduced the Courier some years ago. That machine, it may be remembered, was the first British low-wing monoplane to be fitted with a retractable undercarriage, and showed the way to still greater efficiency. The maximum speed of 173 m.p.h. with two Wolseley Scorpio engines corresponds to an Everling high-speed figure of 23.7, which must be regarded as good for a twin-engine type. At the same time the structural efficiency is good at 1.63, showing that, when equipped for passenger carrying, the Envoy carries as disposable load 63 per cent, of its own weight.

AIRSPEED A.S.6 ENVOY SERIES II
Two Wolseley Scorpio 250 h.p. Engines

   Weight empty (with normal and electrical equipment) 3,572 lb.
   Cabin equipment 148 lb.
   Disposable load 2,003 lb.
   Total all-up weight 5,900 lb.
   Maximum speed 173 m.p.h.
   Cruising speed at 75 per cent, power 153 m.p.h.
   Cruising speed at 62 1/2 per cent, power 144 m.p.h.
   Range at 62 1/2 per cent, power 685 miles
   Climb to 5,000 ft 6 min.

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Flight, October 1938

British Commercial Aircraft

Airspeed

AIRSPEED

   ONE of the first machines to be built according to the modern formula in this country, the Airspeed Envoy is in use over here on internal airlines and also abroad, notably in Australia and Japan. The Series III type, which is the latest of the Envoys, is normally fitted with Armstrong Siddeley Cheetah IX moderately supercharged engine, with which it has a cruising speed, at optimum altitude, of 170 m.p.h. - a figure which is often forgotten when the performance figures of more recent transport machines from abroad are being quoted.
   In its newer forms the Envoy is fitted with split trailing-edge flaps which extend from aileron to aileron and can be set to any angle up to approximately 80 degrees. The only fault which could be found with the original Envoys concerned the flat angle of approach, and this criticism certainly cannot be directed against the Series III type when the flaps are in the fully down position. The undercarriage is, of course, retractable, and the particular mechanism used is one of the most reliable yet devised and has been fitted to Airspeed machines ever since the Courier was produced in the company’s early days.
   The structure of this cantilever monoplane is of w'ood with a ply-stressed wing and semi-monocoque fuselage. Since the machine is intended for comparatively small-scale operations, there is accommodation for only one pilot, and when a radio operator is carried he takes one of the seats behind the forward bulkhead.
   Airspeed Envoy III data:- Span, 52ft. 4in.; length, 34ft. 6in.; all-up weight, 6,600 lb.; weight empty (including electrical and standard equipment and normal upholstery), 4,341 lb.; wing loading, 19.5 lb./sq. ft.; power loading, 9.4 lb. /h.p.; maximum speed at altitude, 203 m.p.h.; cruising speed at 62 1/2 per cent power at 10,000ft., 170 m.p.h ; service ceiling, 22,000ft.; single-engined ceiling, 6,250ft.; cruising range with normal tankage, 620 miles; cruising range with auxiliary tankage, 1,000 miles. Makers: - Airspeed (1934), Ltd., The Airport, Portsmouth, Hants (Portsmouth 2444).

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Описание:Description:

Airspeed AS.6 Envoy
Flight, July 1934
THE AIRSPEED "ENVOY"
Flight, January 1935
FOR FAST COMMERCIAL TRANSPORT
Flight, March 1936
FLAPPED EFFICIENCY
Flight, October 1938
British Commercial Aircraft

Flight 1934-07 / Flight

What the "Envoy" looks like on the ground. Landing lights are fitted in the leading edge of the wing of this machine, which was seen at the S.B.A.C. display at Hendon. The Wolseley engines are cowled with Townend rings.
Flight 1934-07 / Flight
Регистрационный номерRegistry number: G-ACMT [11]
AIRSPEED "ENVOY": This machine is fitted with two 185-h.p. Wolseley engines.
Jane's All the World Aircraft 1980 / Encyclopedia of Aviation - Aircraft A-Z - v1
Регистрационный номерRegistry number: G-ACMT [11]
Airspeed AS.6 Envoy.
Air Enthusiast 1996-09 / D.Ford - Oxford Graduate
Регистрационный номерRegistry number: G-ACMT [11]
The AS.6 Envoy prototype G-ACMT was first flown on June 26, 1934 and set Airspeed onto the successful twin-engined multi-use course.
Aeroplane Monthly 1978-09 / D.Middleton - Airspeed's elegant Envoy (1)
Регистрационный номерRegistry number: G-ACMT [11]
Flight 1934-09 / Flight
Регистрационный номерRegistry number: G-ACMT [11]
PERFECT LINES: The Airspeed "Envoy" (two Wolseley A.R.-9 engines) flying over Portsdown Hill. This machine carries 8 passengers with 240 lb. of luggage at a cruising speed of 150 m.p.h.
Aeroplane Monthly 1978-09 / D.Middleton - Airspeed's elegant Envoy (1)
Регистрационный номерRegistry number: G-ACMT [11]
WITH WHEELS UP: The Airspeed "Envoy" (2 Wolseley A.R.9 engines) has the same type of retractable undercarriage as the "Courier."
Study of G-ACMT, the prototype Envoy, flying from Portsmouth in 1934, shortly after its maiden flight.
Aeroplane Monthly 1993-05 / C.Prower - From Brisfit to Beverley (2)
Регистрационный номерRegistry number: G-ACMT [11]
Series 2 Envoy G-ACMT flying over the Queen Mary over Cowes Roads in March 1936. Aboard the Envoy were Messrs N. S. Norway and Airspeed designer A. Hessell Tiltman.
LINERS OF TWO ELEMENTS: This fine aerial picture of the Queen Mary was secured by Flight's photographer over Cowes Roads last week. The Series II Envoy - from which, incidentally, the Airspeed Company's joint managing directors, Mes N. S. Norway and A. Hessell Tiltman, were viewing the liner - was flown by Flt. Lt. C. H. A. Colman.
G-ACMT, the prototype Envoy, after being modified to AS.6G, the prototype Series II with Wolseley Scorpio engines. It is seen over Cunard's Queen Mary.
Aeroplane Monthly 1978-09 / D.Middleton - Airspeed's elegant Envoy (1)
Регистрационный номерRegistry number: G-ACMT [11]
The Envoy prototype over the Queen Mary in March 1936, after modification to Series 2 standard with split flaps and Wolseley Scorpio Is.
Flight 1936-04 / Flight Advertisements
Регистрационный номерRegistry number: G-ACMT [11]
Aeroplane Monthly 1978-11 / D.Middleton - Airspeed's elegant Envoy (2)
Регистрационный номерRegistry number: G-ACVH [4]
The first production Envoy 1, G-ACVH, with Wolseley A.R.9 Mk I engines.
Flight 1936-06 / Flight Advertisements
Регистрационный номерRegistry number: G-ACVH [4]
Flight 1935-01 / Flight Advertisements
Регистрационный номерRegistry number: G-ACVH [4]
Aeroplane Monthly 1978-09 / D.Middleton - Airspeed's elegant Envoy (1)
Регистрационный номерRegistry number: G-ACVH [4]
The first production Envoy I, with Wolseley A.R.9 engines, at Kastrup Aerodrome, Copenhagen.
Jane's All the World Aircraft 1938 / 01 - The progress of the world in civil aviation during the year 1937-38
Регистрационный номерRegistry number: G-ACVI [3], VH-UXM [4]
Alverca Aerodrome (Lisbon). - German and British Transport Machines.

Другие самолёты на фотографии: Another planes on the photo: Junkers Ju.52/3m - ГерманияGermany - 1931
Aeroplane Monthly 1978-09 / D.Middleton - Airspeed's elegant Envoy (1)
Регистрационный номерRegistry number: G-ACVI [3], VH-UXM [4]
Envoy I G-ACVI joined Ansett as VH-UXM in 1936.
Aeroplane Monthly 1978-10 / D.Middleton - Airspeed's elegant Envoy (1)
Регистрационный номерRegistry number: G-ACVJ [5]
MODERN BRITISH DESIGN. - This view of the "Lynx"-engined Airspeed "Envoy," taken by a Flight photographer over Langstone Harbour, Portsmouth, admirably illustrates its "clean" lines.
The Lynx-engined demonstrator for R. K. Dundas Ltd, G-ACVJ, left for India in January 1935, piloted by Flt Lt H. C. Johnson and Sir Alan Cobham.
Flight 1936-05 / Flight
Регистрационный номерRegistry number: G-ACVJ [5]
The Airspeed Envoy, with Siddeley Lynx or Cheetah, or with Wolseley Scorpio engines, has a high performance for a very modest power expenditure.
Flight 1935-04 / Flight Advertisements
Регистрационный номерRegistry number: G-ACVJ [5]
Flight 1935-01 / Flight Advertisements
Регистрационный номерRegistry number: G-ACVJ [5]
Flight 1935-01 / Flight
Регистрационный номерRegistry number: G-ACVJ [5]
A side view of the "Lynx"-engined "Envoy" R. K. Dundas Ltd. are the Airspeed agents.
Aeroplane Monthly 1978-10 / D.Middleton - Airspeed's elegant Envoy (1)
Регистрационный номерRegistry number: G-ADAZ
G-ADAZ Tynedale of North Eastern Airways taking off from Brooklands.
Flight 1937-06 / Flight Advertisements
Регистрационный номерRegistry number: G-ADBA [2], P5778 [2]
It is recognised that the business demands of airline operators are for the lowest possible operating costs. Accordingly the Airspeed "Envoy" is of particular interest because its robust construction reduces maintenance to a minimum; its medium powered engines, coupled with aerodynamically clean design give 20 or 30 miles more distance per hour and it flies steadily in all weather conditions so that schedules can be maintained without time loss. Money and time is saved when "Envoys" are operated.
Aeroplane Monthly 1978-10 / D.Middleton - Airspeed's elegant Envoy (1)
Регистрационный номерRegistry number: G-ADBA [2], P5778 [2]
G-ADBA was impressed into RAF service in January 1939 as P5778.
Aeroplane Monthly 1978-10 / D.Middleton - Airspeed's elegant Envoy (1)
Регистрационный номерRegistry number: G-ADBB
Envoy Series 1 G-ADBB Wharfedale of North Eastern Airways at Heston in 1935/36.
Aeroplane Monthly 1978-10 / D.Middleton - Airspeed's elegant Envoy (1)
Регистрационный номерRegistry number: G-ADBZ
Another North Eastern Airways machine, G-ADBZ Swaledale, at Croydon in January 1937.
Aeroplane Monthly 1978-11 / D.Middleton - Airspeed's elegant Envoy (2)
Регистрационный номерRegistry number: G-ADCA [2]
Envoy Series I G-ADCA was delivered to Portsmouth, Southsea and Isle of Wight Aviation Ltd in mid-1935.
Aeroplane Monthly 1988-03 / J.Stroud - Wings of Peace
Регистрационный номерRegistry number: G-ADCA [2]
Portsmouth Southsea & Isle of Wight Aviation's Lynx-powered AS.6A G-ADCA.
Flight 1936-05 / Flight Advertisements

SERVICE CEILING WITH FULL LOAD 24,000 FEET. Although it is not usual to fly at such high altitudes in Europe, a service ceiling, at such a height does ensure that the Envoy Series II at normal altitudes has a very good performance with a rate of climb and single engine performance which gives a wide safety margin in cases of emergency.
Flight 1935-02 / Flight Advertisements
Aeroplane Monthly 1993-05 / C.Prower - From Brisfit to Beverley (2)
Регистрационный номерRegistry number: G-ACMT [11]
G-ACMT, the prototype Airspeed Envoy, makes a low pass over Portsmouth shortly after its first flight in June 1934. The retractable undercarriage was a novel feature.
Flight 1934-07 / Flight
Flight 1936-03 / Flight

The new Envoy is shown in cruising trim.
Flight 1936-04 / Flight Advertisements

The optimum altitude for the Airspeed Envoy is 10,000 feet and at this height the cruising speed at 62 1/2 maximum power is 175 m.p.h. and the range 650 miles, with normal tankage. The maximum speed is 210 m.p.h.
Flight 1936-06 / Flight

Envoy II, (two Wolseley Scorpios)
Flight 1936-05 / Flight Advertisements

The Envoy Series II has ample power for operating from aerodromes situated at high altitudes. For instance, at 6,000 feet with Cheetah IX engines, the take-off run, in a 5 m.p.h. wind, is approximately 300 yards, whilst if one engine should cut out at this height, the aircraft will still climb on full load at the rate of 50 feet per minute. The safety margin of the Envoy Series II is, therefore, very high, and is another factor of interest to Airline Operators.
Flight 1936-10 / Flight

The well-flapped Series II Airspeed Envoy in the act of landing at Heston.
Flight 1936-03 / Flight

Safe and slow: Flt. Lt. Colman makes a demonstration landing just over the Heston boundary marks.
Flight 1936-06 / Flight Advertisements

High speed cruising has been demonstrated very effectively recently by two Airspeed Envoys fitted with Wolseley Scorpio engines. Visiting the Stockholm Exhibition one machine covered 3,381 miles in 23 hours, without the engines being touched. Fuel consumption was 22 gallons per hour, oil consumption 2 quarts per hour. The engines were fitted with self starters and it was not even necessary to turn the propellers by hand to suck in.
Flight 1935-06 / Flight

IN THE FLOODLIGHTS: This photograph, taken by a Flight photographer at Heston during the Household Brigade display, gives some idea of the value of modern floodlighting equipment. Those at Heston, of course, are of Chance manufacture, and the machine is an Airspeed "Envoy"
Flight 1935-01 / Flight Advertisements

The "Overseas Envoy" with its Townend ring-cowled "Lynxes."
Flight 1936-01 / Flight Advertisements

THE SERIES II AIRSPEED "ENVOY"
Flight 1936-05 / Flight Advertisements
Flight 1936-03 / Flight

In three sections extending right across the centre section, the Airspeed split flaps are hydraulically operated.
Flight 1936-02 / Flight Advertisements
Регистрационный номерRegistry number: G-ACMT [11]
Flight 1935-01 / Flight

Sir Alan Cobham (right) with his pilot, Flt. Lt. H. C. Johnson, who is flying the "Envoy" to India.
Flight 1935-04 / Flight

The "Envoy" at Heston. From left to right can be seen Col. Boyle, Mrs. Anthony Eden, Ald. W. Hemmingway (the Mayor of Leeds), Ald. F.H.O'Donnell, Lord Grimthorpe (Chairman of North-Eastern Airways) and Col. Cameron.
Flight 1938-09 / Flight

AIR MARSHAL SIR PHILIP JOUBERT DE LA FERTE (Air Officer Commanding, R.A.F., India) and F/O King on the occasion of the Air Marshal’s visit to the Airspeed works to take delivery of the first of two Envoys for India
Flight 1936-09 / Flight

Mr. Ken Waller and Capt. Max Findlay investigate the construction of their Cheetah IX Airspeed Envoy at Portsmouth.
Flight 1937-03 / Flight Advertisements

Maintenance Cost of the AIRSPEED ENVOY 1-25 pence per mile
Flight 1936-10 / Flight

One of the Envoy's moderately supercharged Cheetah IXs en neglige on Saturday night
Aviation Historian 34 / M.Wickstead - Czechoslovakia's "Carefully Serving Airline"
Регистрационный номерRegistry number: OK-BAL [4]
The first of CSA’s fleet of four Airspeed Envoys, Mk I OK-BAL arrived in Prague in August 1935, followed by Mk I OK-BAM the following month. The two remaining Envoys, Mk IIs OK-BAN and ’BAO, were delivered in 1936, all four of the airline’s Envoys being powered by Czechoslovakian-built 340 h.p. Walter Castor II radials.
Aeroplane Monthly 1988-03 / J.Stroud - Wings of Peace
Регистрационный номерRegistry number: OK-BAL [4]
CSA AS.6E OK-BAL, with Walter Castor II engines. It was delivered in August 1935.
Aeroplane Monthly 1978-10 / D.Middleton - Airspeed's elegant Envoy (1)
Регистрационный номерRegistry number: OK-BAL [4]
OK-BAL was one of four Envoys supplied to the Czech airline, CSA, during 1935/36.
Aeroplane Monthly 1977-01 / G.Endres - Czechoslovakian Air Transport since 1920 (1)
Регистрационный номерRegistry number: OK-BAL [4]
Airspeed. A.S.6E Envoy III OK-BAL, above, was one of four used by CSA on their service to Moscow, inaugurated on September 2, 1936. It ended its life in the Finnish Air Force, being damaged beyond repair on July 31, 1943.
Flight 1936-12 / Flight Advertisements
Регистрационный номерRegistry number: OK-VIT [3]
Flight 1937-01 / Flight Advertisements
Регистрационный номерRegistry number: OK-VIT [3]
ENVOY III with stressed skin, ply covered wings, maximum weight 6400 lbs. and maximum speed 205 m.p.h.
Flight 1937-01 / Flight Advertisements
Регистрационный номерRegistry number: OK-VIT [3]
The Series III Envoy, incorporating a stressed skin ply covered wing structure, is being built in large batches, thus ensuring even earlier delivery dates than those previously quoted.
Flight 1938-09 / Flight
Регистрационный номерRegistry number: VH-UXM [4]
Ansett Airway’s Airspeed Envoy (Wolseley Aries) over Melbourne, with the Shrine of Remembrance (which is quite near the Air Board H.Q.) in the background, and Government House to the left. This machine was originally owned by Lord Nuffield and was flown by Sqn. Ldr. Hilton from Capetown to Croydon in fast time.
Flight 1934-11 / Flight
Регистрационный номерRegistry number: VH-UXY
FOR PACIFIC FLIGHT: The twin-engined Airspeed "Envoy" monoplane, in which Mr. C. T. P. Ulm and Mr. G. M. Littlejohn propose to fly from Canada across the Pacific to Australia, being shipped at Southampton for Montreal.
Flight 1936-11 / Flight
Регистрационный номерRegistry number: VT-AHR
This particular Airspeed Envoy has just been delivered to the Maharajah of Jaipur.
Aeroplane Monthly 1988-03 / J.Stroud - Wings of Peace
Регистрационный номерRegistry number: J-BDBO
This Japan Air Transport Envoy was probably the second of JAT's Airspeed-built aircraft. Others were built by Mitsubishi.
Jane's All the World Aircraft 1938 / 03 - All the world's aeroplanes
Регистрационный номерRegistry number: J-BDEO
The Mitsubishi "Hinazuru" (Airspeed license) Commercial Monoplane (two 240 h.p. Mitsubishi "Lynx" engines).
Aeroplane Monthly 1978-10 / D.Middleton - Airspeed's elegant Envoy (1)
Регистрационный номерRegistry number: J-BEYG
BRITISH ABROAD: One of the Japan Air Transport Company's Airspeed Envoys on the tarmac at Haneda airport, Tokyo. Routes covering some 652,500 miles in the year are now operated regularly by this company - including a service to Manchukuo.
Envoy J-BEYG of the Japan Air Transport Company, seen at Haneda Airport, Tokyo, in 1936.
Flight 1938-02 / Flight

Hts Majesty arrives in the Royal Airspeed Envoy and salutes as the Royal Standard is broken.
Flight 1937-11 / Flight

ON HIS MAJESTY'S SERVICE: The Air Council's Airspeed Envoy, used by members of the Royal Family, framed by the forepart of a Handley Page Harrow heavy bomber.

Другие самолёты на фотографии: Another planes on the photo: Handley Page Harrow / H.P.54 - ВеликобританияUnited Kingdom - 1936
Flight 1936-11 / Flight Advertisements

The Airspeed ENVOY may be operated as a luxurious four-seat private owner aircraft, or as a six-seat, or eight-seat passenger aircraft. In both the four-seat and six-seat arrangement, a toilet is provided at the rear of the cabin. All are fitted with split trailing edge flaps and the Airspeed patent retractable undercarriage, the reliability of which has been tested thoroughly in all parts of the world.
Flight 1938-04 / Flight

The Airspeed Convertible Envoy shows great versatility in military and commercial fields. Two Siddeley Cheetahs are normally specified.
Flight 1937-01 / Flight

An Airspeed Envoy fitted with Siddeley Cheetah IX engines in which form it is capable of 205 m.p.h.
Flight 1937-04 / Flight Advertisements

The "Envoy" has been designed for high and economical cruising speeds. The Airspeed type of wood construction also ensures very low maintenance and C. of A. costs and has been thoroughly proved in the most varied climates from extreme cold to the humidity and heat of tropical countries.
Flight 1937-02 / Flight Advertisements

Another long delivery flight PORTSMOUTH - HONG KONG emphasizes the reliability of the ENVOY. In fourteen days - during several of which no flying was possible owing to waterlogged aerodromes and bad weather - a Series III Cheetah IX Envoy has completed a delivery flight to Hong Kong. It was fully loaded to 6400 lb. and had a range of 1000 miles. This again proves the unfailing reliability of the Cheetah IX Envoy III.
Flight 1936-11 / Flight Advertisements
Flight 1937-08 / Flight
Регистрационный номерRegistry number: G-AEXX [6], L7270 [6]
THE KING'S ENVOY: One of the first flying views of the specially prepared Airspeed Envoy Series III (two Armstrong Siddeley Cheetah Xs) which is maintained for the transport of Royalty and State personages. The top speed is over 200 m.p.h. This particular machine belongs to the King’s Flight.
Flight 1938-05 / Flight
Регистрационный номерRegistry number: G-AEXX [6], L7270 [6]
THE KING’S ENVOY: A pleasing impression of the Royal Airspeed Envoy (two Armstrong-Siddeley Cheetah IX), in which His Majesty toured between four representative Royal Air Force stations last Monday.
Aeroplane Monthly 1978-11 / D.Middleton - Airspeed's elegant Envoy (2)
Регистрационный номерRegistry number: G-AEXX [6], L7270 [6]
Perhaps the most celebrated Envoy of all was Series 3 G-AEXX, ordered in 1937 as a VIP transport for the King's Flight. It flew as L7270 during the war.
Jane's All the World Aircraft 1938 / 03 - All the world's aeroplanes
Регистрационный номерRegistry number: G-AEXX [6], L7270 [6]
The Airspeed "Envoy" Monoplane (two 375 h.p. Armstrong Siddeley "Cheetah IX" engines).
Мировая Авиация 20
Регистрационный номерRegistry number: G-AEXX [6], L7270 [6]
Имевший просторную кабину на восемь пассажиров и отличный обзор для пилота, Envoy был выбран для коммерческой эксплуатации рядом стран, включая Англию, Японию, Китай и Южную Африку.
Aeroplane Monthly 1985-11 / A.Bennett - Fit for a king (1)
Регистрационный номерRegistry number: G-AEXX [6], L7270 [6]
View of the King’s Flight Airspeed Envoy G-AEXX, operated by the flight from May 1937 until October 1939.
Air-Britain Archive 1980-03
Регистрационный номерRegistry number: G-AENA [6]
The Airspeed Envoy Series III G-AENA Gabrielle in October 1936, ready for the Portsmouth to Johannesburg race.
The Airspeed Envoy III is normally powered by two Siddeley Cheetah engines of 350 h.p. each, but other makes can be fitted if desired.
G-AENA was in fact the first A.S.6J Envoy III with internal long-range tanks and Cheetah IX engines beneath the distinctive cowlings. It was named "Gabrielle" by its two owners who entered it for the Schlesinger Race from Portsmouth to Johannesburg.
Aeroplane Monthly 1977-06 / J.Griffin - Portsmouth Airport 1932-1973
Регистрационный номерRegistry number: G-AENA [6]
TRANSPORT RACING: The one machine in the South African race which is equipped as a long-distance machine should be equipped - Waller and Findlay's Envoy. In addition to the safety provided by two Siddeley Cheetah IX engines and full blind-flying equipment, this machine has Marconi two-way and D/F radio and carries a radio operator.
Unlucky No 13. Airspeed Envoy G-AENA at Portsmouth on the eve of the Portsmouth to Johannesburg Race in September 1936. The aircraft crashed at Abercorn in North Rhodesia, killing Max Findlay.
Air-Britain Archive 1980-03
Регистрационный номерRegistry number: G-AENA [6]
Taking on fuel at Portsmouth 23.9.36, the race number 13 proved prophetic as G-AENA was to crash in Northern Rhodesia on 1.10.36 killing M.H.Findlay.
Flight 1936-09 / Flight
Регистрационный номерRegistry number: G-AENA [6]
No. 13, the Airspeed Envoy, is probably the most completely equipped machine in the race. The engines are Cheetah IXs.
Flight 1936-10 / Flight
Регистрационный номерRegistry number: G-AENA [6]
Yo-heave-ho! Modern version of the Volga boatman, seen on Monday.
Aeroplane Monthly 1977-06 / J.Griffin - Portsmouth Airport 1932-1973
Регистрационный номерRegistry number: G-AENA [6]
No 13. Airspeed Envoy G-AENA in company with Percival Mew Gull ZS-AHO, Baragwanath at Portsmouth on the eve of the Portsmouth to Johannesburg Race in September 1936.

Другие самолёты на фотографии: Another planes on the photo: Percival Mew Gull - ВеликобританияUnited Kingdom - 1934
Aeroplane Monthly 1984-05 / Personal album
Регистрационный номерRegistry number: N9018, N9107 [2], G-AFJD [2], G-AFJE
Three RAF aircraft at Lahore in 1938. On the right is Airspeed Envoy N9107 of the Delhi Communication Flight. In the centre is Hawker Audax K4862, which flew with Nos 20 and 39 Sqns before diving into the ground at Risalpur in May 1939. At left is Envoy N9018, also of the Delhi Communications Flight and previously G-AFJE. This aircraft crashed at Mingaladon in Rangoon in February 1942.

Другие самолёты на фотографии: Another planes on the photo: Hawker Audax - ВеликобританияUnited Kingdom - 1931
Aeroplane Monthly 1984-05 / Personal album
Регистрационный номерRegistry number: N9107 [2], G-AFJD [2]
A fine study of the Airspeed Envoy N9107, photographed at Lahore in 1938. This aircraft was initially registered as G-AFJD to the High Commissioner for India in August 1938. In the same month the Envoy Series III passed to the Delhi Communication Flight and was based at Willingdon Airport.
Flight 1936-11 / Flight Advertisements
Jane's All the World Aircraft 1938 / 01 - The progress of the world in civil aviation during the year 1937-38

ON THE WAY ACROSS INDIA. - An Airspeed "Envoy" being refuelled at Jodhpur.
Jane's All the World Aircraft 1938 / 01 - The progress of the world in civil aviation during the year 1937-38

FRIENDLY LITTLE AKYAB. - Snapped during a lull between storms. The rainfall averages 8 inches per day, which means much more at times.
Flight 1936-10 / Flight

A floodlight view of the Airspeed Envoy (No 13, Findlay and Waller) on the line in the dawn of Tuesday morning.
Jane's All the World Aircraft 1938 / 01 - The progress of the world in civil aviation during the year 1937-38

DELIVERED DULY. - An Airspeed "Envoy" at the Military Aviation Training Station at Lai-chow before the Japanese came within range.
Aeroplane Monthly 1978-11 / D.Middleton - Airspeed's elegant Envoy (2)
Регистрационный номерRegistry number: G-AHAC, P5626
Envoy Series 3 G-AHAC did not join the civil register until April 18, 1946. It began life as P5626, one of five for the RAF, and was scrapped at Tollerton in May 1950.
Aeroplane Monthly 1978-11 / D.Middleton - Airspeed's elegant Envoy (2)
Регистрационный номерRegistry number: ZS-AGD [2]
Convertible Envoy ZS-AGD Alexander Biggar for South African Airways during trials at Martlesham Heath before shipment to Cape Town.
Aeroplane Monthly 1988-03 / J.Stroud - Wings of Peace
Регистрационный номерRegistry number: ZS-AGB
One of South African Airways' AS.6JC Convertible Envoys.
Aeroplane Monthly 1978-10 / D.Middleton - Airspeed's elegant Envoy (1)
Регистрационный номерRegistry number: ZS-ALD
ZS-ALD was one of four convertible Envoys used by South African Airways.
Air-Britain Archive 1980-01
Регистрационный номерRegistry number: ZS-AGD [2]
The article offers new evidence about the constructor's numbers of the Airspeed Envoys exported to South Africa. Here is the civil version ZS-AGD "Alexander Biggar" on 28.12.36.
Flight 1940-02 / Flight
Регистрационный номерRegistry number: ZS-AGA [2]
At the Rand Airport, Germiston. The aeroplanes are two Junkers Ju. 52s and an Airspeed Envoy.

Другие самолёты на фотографии: Another planes on the photo: Junkers Ju.52/3m - ГерманияGermany - 1931
Jane's All the World Aircraft 1938 / 01 - The progress of the world in civil aviation during the year 1937-38

TRANSVAAL. - One of the three Airspeed "Envoys" (350 h.p. "Cheetah IX" motors) of South African Airways Ltd. on the apron at the Rand Airport, Johannesburg.
Flight 1936-06 / Flight Advertisements

Conversion from luxury air liner into fast medium bomber, by four men in eight hours, is the outstanding feature of the latest type Airspeed Envoys, as supplied to the Government of the Union of South Africa. The wisdom of equipping air line personnel with this type of aircraft is most apparent when it is realised that in peace time pilots will become thoroughly familiar, in all weather and load conditions, with the type of aircraft they would be called upon to fly in time of war.
Flight 1936-10 / Flight Advertisements
Мировая Авиация 20

Несколько самолетов Envoy ВВС Британии и Южной Африки были оснащены бомбодержателями и получили вооружение, состоящее из курсового и турельного пулеметов.
Flight 1936-07 / Flight Advertisements

PERFORMANCE and CONVERSION. The New Envoy is the first British aircraft built for rapid conversion from a commercial into a military machine with a performance equal to, if not better than machines designed wholly for military purposes.
Aeroplane Monthly 1978-09 / D.Middleton - Airspeed's elegant Envoy (1)

The first of three military Convertible Envoy Series 2s ordered for the South African Air Force was 251, seen here flying near Portsmouth in 1936. It left to fly the 7,000 miles to Johannesburg on July 4, 1936, accompanied by civil Envoy ZS-AGA.
Flight 1939-02 / Flight

One of the Airspeed Convertible Envoys two Siddeley Cheetah) supplied to the South African Government.
Air-Britain Archive 1981-02

Original C of A documents in SAAF records confirm that the C/n - serial tie-up of the AS.6J Envoys is indeed as recorded in Archive. The serials were added to the documents in South Africa. Thus Envoy '251' in the accompanying photo was actually c/n 50.
Air Enthusiast 1996-09 / D.Ford - Oxford Graduate

Envoy 251 of the South African Air Force showing the evolution into a general purpose military aircraft.
Aeroplane Monthly 1993-05 / C.Prower - From Brisfit to Beverley (2)

South African Air Force Convertible Airspeed Envoy III 251 on test from Portsmouth on June 28, 1936.
Flight 1936-07 / Flight

Were it not for the rear gunner's turret it would be impossible to distinguish this military version of the Envoy from its civil counterpart. The covered forward gun trough can be seen below the control cabin.
Flight 1936-08 / Flight Advertisements
Регистрационный номерRegistry number: ZS-AGA [2]
An important feature of the new Airspeed Convertible Envoys is the rapidity with which the aircraft can be converted from purely civil aeroplanes into fast bombers, or reconnaissance machines. This conversion can be carried out by four men in four hours and gives an additional value to high performance.
Flight 1936-08 / Flight Advertisements

The maximum speed of the Convertible Envoy - 210 m.p.h. - is proportionately equalled by the speed with which the aircraft can be converted from civil into military form. The conversion is carried out by four men in four hours. Now that re-arming occupies such a prominent position in Government programmes, throughout the world, the Convertible Envoy is of particular interest.
Air-Britain Archive 1980-01

The article offers new evidence about the constructor's numbers of the Airspeed Envoys exported to South Africa. Here is SAAF '251', a convertible model, seen over Portsmouth on 30.10.36
Aeroplane Monthly 1978-10 / D.Middleton - Airspeed's elegant Envoy (1)

The field of fire provided for the rear gunner can be visualised in this picture, which also shows the useful fact that the undercarriage, when retracted, can still be used for emergency landings on rough ground.
Convertible Envoy 251 for the South African Air Force poses for Flight on June 26, 1936.
Flight 1936-07 / Flight

Although actually flying at 10,000 ft above the thunder clouds, Flt. Lt. Colman lowers the undercarriage and flaps of the first South African Envoy for the benefit of Flight's photographer.
Jane's All the World Aircraft 1938 / 03 - All the world's aeroplanes

The Airspeed Convertible "Envoy" in its Military form (two Armstrong Siddeley "Cheetah IX" engines).
Aeroplane Monthly 1978-11 / D.Middleton - Airspeed's elegant Envoy (2)

Convertible Envoy 251 for the SAAF at Martlesham Heath for tests. The patch covering the forward-firing machine gun on the starboard side of the nose has been removed.
Aeroplane Monthly 1978-10 / D.Middleton - Airspeed's elegant Envoy (1)

The second of the three SAAF Envoys was 252, seen here during World War Two.
Aeroplane Monthly 1979-01 / Personal album
Регистрационный номерRegistry number: G-AERT
Airspeed Envoy 41-1 during the Civil War. The letter “T” forward of the fuselage band and the “E” inboard of the band on the starboard wing suggest that this aircraft was originally G-AERT/ c/n 68, recorded as being "sold abroad" in April 1937. Other pictures of the same aircraft reveal the “G-A” prefix of its British registration on the port wing. Another Envoy which flew for Franco was G-ADBB, whose identity could be clearly discerned beneath its camouflage paint.
Flight 1936-08 / Flight

A panel-type Vokes air filter as applied to a Cheetah IX installation on a convertible Airspeed Envoy for South Africa.
Flight 1937-05 / Flight Advertisements
Flight 1934-12 / Flight

SLIPPERS : The "Envoy's" equipment.
Flight 1936-11 / Flight

AIRSPEED INNOVATION. The new Series III Airspeed Envoy incorporates stressed-skin, plywood-covered wings of simplified construction. This view shows one of the first "going through.''
Aeroplane Monthly 1978-04 / D.Middleton - Courier Airspeed's innovator (2)

Envoys in production at Portsmouth, with the Air Ministry's Courier K4047, minus wings, at right.

Другие самолёты на фотографии: Another planes on the photo: Airspeed Courier / AS.5 - ВеликобританияUnited Kingdom - 1933
Aeroplane Monthly 1978-11 / D.Middleton - Airspeed's elegant Envoy (2)
Регистрационный номерRegistry number: G-ACVI [3], VH-UXM [4]
Envoy production at Portsmouth in 1934. Note Courier K4047 behind.

Другие самолёты на фотографии: Another planes on the photo: Airspeed Courier / AS.5 - ВеликобританияUnited Kingdom - 1933

Flight 1935-06 / Flight Advertisements

"IT IS DIFFICULT TO IMAGINE ANY AEROPLANE WHICH ALLOWS A BETTER OUTLOOK FROM THE PILOT'S COCKPIT..."
Aeroplane Monthly 1978-11 / D.Middleton - Airspeed's elegant Envoy (2)

The pilot's position in the Envoy, in this case one with Lynx IVC engines. The handle on the right of the seat is for raising or lowering the undercarriage.
Flight 1934-07 / Flight

This is what you see when looking into the pilot's cockpit through the bulkhead door in the passengers' cabin.
Flight 1937-04 / Flight Advertisements

The view of the pilot's cockpit shows the Sperry Gyro Horizon and Reid & Sigrist Turn & Bank Indicator fitted on the Blind Flying Instrument Board. In addition, a Marconi Homing Device is shown with the Visual Indicator mounted on the windscreen at the top. The instrument immediately above the Gyro Horizon is the Undercarriage Pressure Gauge
Aeroplane Monthly 1978-11 / D.Middleton - Airspeed's elegant Envoy (2)

The interior of a Convertible Envoy of South African Airways. Behind and below the left-hand seat is an “Antifyre” extinguisher.
Flight 1935-05 / Flight Advertisements
Flight 1936-04 / Flight Advertisements
Flight 1935-04 / Flight Advertisements
Flight 1937-05 / Flight Advertisements
Flight 1935-01 / Flight

Looking aft in the "Envoy" Cabin. Let into the bulkhead is the Plessey A.C.44 wireless set.
Flight 1937-05 / Flight Advertisements
Flight 1936-10 / Flight

The cabin tanks of the Airspeed Envoy. The two large ones which are visible hold 53 gallons each, the small one is of 10 1/2 gallons capacity and there are two 49-gallon tanks in the wings.
Flight 1936-10 / Flight

The D.F. and trailing aerial arrangement for the Marconi equipment.