AIR SURVEYING IN THE EAST: This photograph shows one of the D.H.9 seaplanes with Siddeley "Puma" engine and Short metal floats in use by the Air Survey Company, who are engaged on a photographic survey of an area of 1,000 square miles. The party is under the charge of Captain Durward, with Mr. Nevill Vintcent as pilot and Mr. C. R. Thorne as photographer. The scene depicted is the company's temporary slipway and hangar at Chittagong, Bengal.

De Havilland D.H.9a ("Liberty" Engine). This is a hardy war-type that has passed through various modifications right up to the present day, and is still doing service with several of the bombing squadrons. Large quantities of this type have been produced, and it is too well known to need further reference here. The Bombing Squadrons equipped with D.H.9a's are :- Nos. 8 (Iraq); 14 (Amman and Ramleh); 24 (Communications, Kenley); 27 (Risalpur); 30 (Iraq); 39 (Spittlegate); 47 (Mid. East); 55 (Iraq); 60 (Kohat); 84 (Iraq); 207 (Eastchurch); 600 (A.A.F. Northolt); 601 (A.A.F. Northolt); 602 (A.A.F. Renfrew); 603 (A.A.F. Turnhouse); 605 (A.A.F. Castle Bromwich).

Fairey IIID (Napier "Lion"). This Fairey seaplane type has long been used for work with the Fleet, and it also has a considerable record of fine flights. One in particular that is familiar being the R.A.F. flight from Cairo to the Cape, the return to Cairo and then on to England. The IIID is adaptable to both seaplane and land 'plane service. It may, perhaps, be regarded as one of the standard seaplane types for its specific purpose, i.e., fleet reconnaissance work. It is used by No. 440 Flight (H.M.S. Hermes), No. 441 (H.M.S. Eagle), No. 442 (Leuchars), No.443 (H.M.S. Furious), No. 444 (H.M.S. Vindictive), and No. 481 (Malta).

Vickers "Vimy" (Two Rolls-Royce "Eagles"). The Vickers "Vimy" is another of the Service Veterans which must surely be approaching; the end of its long career of good work with the R.A.F. The original "Vimy" was produced in 1917, after which several models made their appearance, each an improvement on the other. The end of the Great War came, however, before the "Vimy" could carry out a series of big raids into the enemy country, as planned and show what it could do. However, after the Armistice it was put into production for service with bombing squadrons. At present only No. 502 Special Reserve Squadron (Aldergrove) has "Vimys."

AUSTRALIAN AERIAL SERVICES (LARKIN): Snapshot from a correspondent showing some of the flying-stock of this air transport company, which operates the Adelaide-Cootamundra, Broken Hill-Mildura, and Melbourne-Hay services. A Sopwith "Wallaby" (Rolls-Royce "Eagle VIII").

THE SWISS AFRICAN FLIGHT: Lieut. Mittelholzer (top), the Swiss pilot, and the Dornier "Mercury" plane (below) on which he has just completed a flight from Zurich to Cape Town.

Bristol Fighter (Rolls-Royce "Falcon"). The Bristol Fighter is one of the hardy war veterans, and as a fighter made a name for itself during the Great War, when it was produced in large numbers. It is still in regular Service use exclusively for Army Co-operation. With some ten years of service already to its credit, it is probable that this type may shortly be replaced by modern designs. The following squadrons (Army Co-op.) are equipped with "Bris-Fits" :- Nos. 2 (Manston), 4 (S. Farnboro), 5 (Risalpur, India), 6 (Iraq, Mosul), 13 (Andover), 16 (Old Sarum), 20 (Peshawar, India), 24 (Communications, Kenley), 28 (Quetta, India), 31 (Ambala, India), and 208 (Middle East).

AUSTRALIAN AERIAL SERVICES (LARKIN): Snapshot from a correspondent showing some of the flying-stock of this air transport company, which operates the Adelaide-Cootamundra, Broken Hill-Mildura, and Melbourne-Hay services. A D.H.50 (Siddeley "Puma") on the left and one of the three A.N.E.C.III (Rolls-Royce) six-seaters.

CAMERA SHY: Lady Bailey, who flew her "Moth" to Norwich through very bad weather, refuses to be "took."

A "Moth" with Slots: This service "Moth" was flown over to Norwich from Martlesham, where it has been undergoing tests. The slot control is reported to have been most successful on this machine.

Avro "Avenger" (Napier "Lion" VIII). This single-seater fighter, evolved last year by the same designer of the "Ava," shows the versatility and ability that is expected of the aircraft designer. It has a monocoque fuselage, beautifully streamlined, into which the cylinder blocks are very neatly faired. Its clean lines and slim appearance suggest very obviously its speed and a performance suitable for its purpose. A notable aspect of the design is the tall, almost oblong, rudder and fin, whilst the neat and simple undercarriage is another feature It is fitted with Lamblin wing-type radiators on the top plane.

At the Norwich Air Demonstration: The Mace-bearer hanging the chains of office on the Lord Mayor of Norwich, prior to a flight in the Boulton and Paul P.9. The Sheriff of Norwich and Mr. J. D. North appear amused at the proceedings.

AT THE NORWICH AIR DISPLAY: The Boulton and Paul "Bugle" with two Bristol "Jupiter" engines, in spite of its size and power, can be stunted like a single-seater fighter. The centre picture shows the machine taking off.

SOME OF THE MACHINES AT NORWICH: The Boulton and Paul ''Bugle'' going over the aerodrome at speed.

SURVEYING ALASKA FROM THE AIR: The three survey machines (Loening amphibians), starting from San Diego. Point Loma is in the background.

A Loening OL-2 used by the US Navy during the surveys of Alaska in the 1920s.
SURVEYING ALASKA FROM THE AIR: The photograph shows one of the Loenings over Mendenhall Glacier at 9.45 p.m. This body of ice is a mile and a half wide.

Fairey "Fox" (Fairey "Felix"). The Fairey "Fox" - which, incidentally, is entirely of original design, evolved by the Fairey Aviation Co. independently of Air Ministry specifications - is a recent two-seater day bomber fitted with a Fairey "Felix" engine. It is, perhaps, one of the fastest machines of its type in the world, which is not surprising when one observes its exceptionally clean lines, and absence of all excrescences which might add head resistance - even the usual external Scarff gun ring has been eliminated. The "Fox" is now used by No. 12 (Bombing) Squadron, Andover.

The Fokker C.V.-D.: Three-quarter front view of the Dutch "general purpose" Military biplane, fitted with a 425 h.p. Siddeley "Jaguar" engine.

The Fokker C.V.-D.: Two of the detachable power-plant units, by means of which various types of engines may be installed, easily and quickly.

The view shows the forward compartment, with the door leading to the cockpit. A large luggage compartment is situated in the bottom of the fuselage, under the floor of the saloon.

The Hawker "Horsley," with Rolls-Royce "Condor" engine, now the Standard Day-Bomber of the Royal Air Force, is an aeroplane of outstanding merit. It was officially selected after competitive trials with other machines and has a remarkable all-round performance record. This illustration depicts the machine being tested by Flight Lieut. P. W. S. Bulman, at Brooklands.
LONDON - ? NON-STOP: This photograph shows the service type Hawker "Horsley" with Rolls-Royce "Condor" engine. It is on a similar machine, but considerably altered internally in order to carry more than 1,000 gallons of petrol, that an attempt is to be made this spring to beat the existing non-stop record (Paris - Jask).

Armstrong Whitworth "Atlas" (Armstrong Siddeley "Jaguar"). The Armstrong Whitworth "Atlas" might be described as a near relation of the famous "Siskin" family, to which it bears a strong resemblance, although it is a two-seater designed for Army co-operation work. It is one of the several types of this class of machine recently produced at the request of the Air Ministry, as the time must soon be approaching when the present machine in use - the Bristol Fighter - will have to be replaced by up-to-date equipment. A number of "Atlas" "Co-ops" have therefore been put into service with No. 13 Squadron, Andover.

Avro "Bison" (Napier "Lion"). The Avro "Bison" is a remarkable example of the versatility of the designing powers of a single firm, which has been responsible for such a variety of types as the Avro 504K, the "Avenger" single-seater fighter and the "Ava" bomber. The "Bison" is a four-seater Fleet gunnery spotter. It has a deep fuselage forming a cabin for the crew, while the pilot sits high up in front of the top plane. In spite of its size its landing speed is low enough to permit safe landing on the deck of an aircraft carrier. "Bisons" are attached to H.M.S. Furious and Eagle.

SOME OF THE MACHINES AT NORWICH: The Blackburn "Bluebird" with Armstrong-Siddeley ''Genet'' engine does a ''zoom.''

Blackburn "Blackburn II'' (Napier "Lion"). The "Blackburn" is a three-seater fleet-spotter machine, and a product that followed the "Dart." It has a very deep fuselage in the front half, and although it has the same type of engine as the "Dart," the nose has not the same clean lines of the latter owing to the position of the pilot, who has a splendid range from a cockpit almost immediately above the engine and level with the top wing. The wings and tail unit resemble very closely the "Dart's." It is used by Flights No. 420 (H.M.S. Furious) and No. 422 (Gosport). Incidentally, it is named after the town of Blackburn.

Blackburn "Airedale" (Siddeley "Jaguar"). This three-seater reconnaissance machine is the first and only monoplane design of the Blackburn firm in post-war industry. It has a very thick wing section and in plan view it tapers towards the centre and also towards the wing tips, which are squared off. The wing not only folds back but it folds round the monocoque fuselage, i.e., flat on instead of edge on. It is a wooden production with box spars, dual control, the first pilot being high in the nose, and the second pilot aft of the wing with the gunner behind him. The control columns are of inverted U-shape swinging from base attachments one ach side of the fuselage.

Blackburn "Dart" (Napier "Lion"). This torpedo 'plane, designed for deck landing, is more or less a modification of the early "Swift," and has been constructed as a single-seater and two-seater. It is of steel structure, with the exception of the wings, with main joints of the spool type. The sharp downward sweep of the top of the fuselage to the engine cowling allows a very clear view. When it was originally designed many foreign countries purchased a few for experimental purposes, and it was made under licence in France by a well-known French firm. It is used by Flights No. 461 (H.M.S. Furious); No. 462 (H.M.S. Furious); and No. 460 (H.M.S. Eagle).

VICKERS "VIRGINIAS" (NAPIER "LIONS") HELPING TO MAKE NORWICH "AIR MINDED": Formation flying over Mousehold Aerodrome.

Fairey "Flycatcher" (Armstrong Siddeley "Jaguar" or Bristol "Jupiter"). Nominally a single-seater fighter, the "Flycatcher" is adaptable for many roles. Its "cocked-up" fuselage arises from the necessity for a large ground angle, used in conjunction with the Fairey patented flap gear, which makes for slow landings with heavy loading. It functions as a ship's 'plane for naval co-operation, and is also produced as a twin-float seaplane, a design which makes it amphibian, too, for landing wheels project through the centre of the floats. It is used with Fleet Fighter Flights Nos. 401, 402, 403, 404, 405 and 406, on aircraft carriers and at coastal bases.

Fairey "Fawn" (Napier "Lion"). In the Fairey "Fawn" we have what may be styled the modernised version of the famous "IIID" seaplane - still in use for Fleet Reconnaissance work - but designed as a two-seater long-distance day bomber. Strictly speaking, however, this similarity is confined to general appearance, for it differs from the IIID in several respects. Its distinctive features include the well-known Fairey patented flap gear and a special Oleo undercarriage. At present only two of our bombing squadrons are equipped with "Fawns," as follows :- No. 11 Netheravon, and No. 503 (Special Reserve) Waddington.

Fairey "Ferret" (Bristol "Jupiter"). This machine is one of the latest productions of the Fairey Aviation Co., and like the majority of the varied aircraft turned out by this firm is intended for use with the fleet, being a three-seater reconnaissance tractor biplane. Little information regarding this machine may be published, but it may be seen from the accompanying illustration that it is a business-like looking craft, combining the general appearance of the IIID and "Flycatcher" types.

Short "Chamois" (Bristol "Jupiter"). The Short "Chamois" is a development of the "Springbok," produced for the Air Ministry a little while back by Short Bros., of Rochester. Unfortunately, no photograph of the "Chamois" was available in time for publication here, but we show in the accompanying illustration the "Springbok," which is very similar in general appearance to the "Chamois," differing only in minor details. This series was designed as two-seater reconnaissance (corps) of fighter, in which metal construction was largely employed.

Hawker "Heron" (Bristol "Jupiter"). The "Heron" designed and constructed by the H. G. Hawker Engineering Co., is an experimental high performance single-seater fighter, embodying a number of important features in detail design. It may be described as a development of the "Woodcock" single-seater fighter, constructed by the same firm, already in service production. It is a tractor biplane of the single-bay type, with a large top plane and a. smaller lower one. It has an excellent performance, especially as regards climb, and its manoeuvrability is also good.

Supermarine "Southampton" (Two Napier "Lion" engines). One of the remarkable facts about the "Southampton" was that it was designed and constructed in 7 1/2 months and immediately went through its official tests without a hitch, and then became a standard type to the R.A.F. Hardly were they in Service use when they undertook a cruise round the British Isles, and were officially praised for their performance. The "Southampton" carries no petrol in the hull, the main tanks being supported under the top 'planes, which gives unusual freedom for the crew in the hull, and even space to sling hammocks. Attached to Coastal Area.

Supermarine "Seagull" (Napier "Lion"). The Supermarine "Seagull" is an amphibian-flying boat designed for fleet spotting and reconnaissance. The first of its type was produced in 1921, and it has passed through several series types. While the "Seagull" does not form the standard equipment of any of our home forces, a number are in service with the Royal Australian Air Force, and we have, therefore, included it amongst our resume of types. The "Seagull" has an excellent all-round performance, with a sufficiently low landing speed to allow of deck-landing. The landing wheels are of the retractable type, folding up under the wings.

"THE FIRST AIR LORD": Mr. John Lord flew over with Bert Hinkler in the new Avro "Tourer" with Armstrong-Siddeley "Lynx" engine. Inset the machine coming in to land.

A REAL 504 "K": The Avro-Lynx "Tourer" was seen in public for the first time at the Norwich demonstration. It is characterised by wings of bi-convex section, "K" interplane struts, and Frise type ailerons on the bottom plane only. This machine handles extraordinarily well, and the wing section used gives a stationary centre of pressure.

De Havilland "Dingo" (Bristol "Jupiter" or Siddeley "Jaguar"). The De Havilland "Dingo," or D.H.42, is one of the recent experimental productions of the de Havilland firm, built to Air Ministry specification. Bearing the typical "D.H." stamp, but embodying several distinctive features, the "Dingo" was designed as a two-seater fighter of the tractor fuselage biplane type. It can be fitted either with the Bristol "Jupiter" or the Siddeley "Jaguar" engine. The top plane has a. slightly larger chord than has the lower one - a novelty in D.H. design - and the pilot sits immediately below it, a circular hole being cut in the centre to provide upward vision.

De Havilland "Stag" (Bristol "Jupiter VI"). Fitted with the 450 h.p. Mark VI Bristol "Jupiter" engine, the D.H. "Stag" has an exceedingly good performance, and may be described as a general-purpose military two-seater tractor biplane, being particularly suitable for reconnaissance work, and also for Army co-operation, bombing, photography, etc. It has a range of five or six hours' duration. The "Stag" is generally similar to the D.H.9; in fact, it may be said that aft of the main planes it is standard D.H.9 practice, the rest being new.

Hawker "Hedgehog" (Bristol "Jupiter"). The "Hedgehog" is a three-seater Fleet reconnaissance machine. The wings are of short span and fairly thick section, and a gravity tank is neatly faired off in the top centre 'plane. The wings fold. The pilot is seated underneath the top wing, and the gunner is just clear of the trailing edge with the second cockpit between the two. The "Hedgehog" is not yet a standard type for use in Service squadrons.

Westland "Yeovil" (Rolls-Royce "Condor"). Here we have another designer's conception of the day bomber fitted with the Rolls-Royce "Condor," like the "Horsley" and "Berkeley." A feature of this machine is the high-lift section gravity tanks. The nose slopes from the pilot's cockpit, and gives him a good view, while the rear gunner is clear of the wings, and has a wide range for firing, as well as a clear view downwards for bombing. The 600 h.p. engine is fitted with a Leitner-Watts metal propeller. There is a forward-firing gun, and two firing aft. The chassis is fitted with oleo shock absorbers.

AUSTRALIAN AERIAL SERVICES (LARKIN): Snapshot from a correspondent showing some of the flying-stock of this air transport company, which operates the Adelaide-Cootamundra, Broken Hill-Mildura, and Melbourne-Hay services. Another view of the A.N.E.C.III. Australian Aerial Services cover some 2,844 miles and carry about 170 passengers per week.

The Huff Daland "Cyclops": Three-quarter front view of the latest American single-engined bomber, said to be the largest of 'its type in the world.

THE HUFF DALAND "CYCLOPS": Another view of the giant single-engined bomber. At present it is fitted with a Packard 800 h.p. 2A-2,500 engine, but later a new 1,200 h.p. 24-cylinder air-cooled engine now under construction will be installed.

THE MCCARTHY AIR SCOUT: An American light commercial monoplane, fitted with a 45 h.p. Anzani engine.

THE MCCARTHY AIR SCOUT: Three-quarter rear view showing the door leading to the totally-enclosed cabin.

SOME OF THE MACHINES AT NORWICH: The photograph shows a Vickers "Virginia" coming in to land over a line of "Moths" which are having their tanks filled.

Vickers "Vernon" (Two Napier "Lions"). The Vickers "Vernon" is a development of the famous "Vimy" and its commercial version, which latter has been in service on the London-Continental air routes of Imperial Airways. It is a twin-engined biplane with a large circular section fuselage forming, in the forward half, a roomy cabin with «de windows. The pilot's cockpit is located high up in the nose of the fuselage. It is employed mainly as a troop transport, or as an aerial ambulance, in the Middle East, No. 45 Squadron being thus equipped.