Air International 1992-12
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R.Francillon - Hoverfly: the Sikorsky R-4 story
Hovering in front of the control tower at Tinian, in the Marianas, on April 1, 1945 is R-4B 43-46533. The B-29 in the background bears the 'Hellbirds - with Malice Toward Some' insignia of the 462nd Bombardment Group, 58th Bombardment Wing, Twentieth Air Force.
A YR-4B (42-107245) in flight at Wright Field on May 30, 1944. One of the five Sikorsky XR-5A prototypes can be seen on the ground below the YR-4B's tail rotor.
The XR-4 after being fitted with a single tail rotor and having the fuselage and tail boom covered.
To demonstrate operations from small platforms, the XR-4 conducted trials at Wright Field on June 25, 1942.
Подъем на спасательной лебедке И.Сикорского на борт вертолета R-4
Igor Sikorsky on the rescue sling of an HNS-1 (BuNo 39040) during demonstration of the electrically-operated hoist.
First of three YR-4As, FT833, assigned to the Royal Navy pictured shortly after arrival in the UK.
The float-equipped XR-4 landing aboard the SS 'Bunker Hill' on May 7, 1943. Clearance between the main rotor and the ship's mast and guy wires was minimal.
Flying over the Long Island Sound on July 20, 1943, the XR-4 is shown during trials aboard the SS 'James Parker', a troopship operated by the US Army Transportation Corps.
Hovering in front of the control tower at Tinian, in the Marianas, on April 1, 1945 is R-4B 43-46533. The B-29 in the background bears the 'Hellbirds - with Malice Toward Some' insignia of the 462nd Bombardment Group, 58th Bombardment Wing, Twentieth Air Force.
В 1944 году в Бирме R-4 ВВС Армии США впервые в мире выполнил поисково-спасательную операцию, эвакуировав сбитого летчика из тыла японцев.
Sikorsky R-4B (43-46583) hovering over the deck of a ship of the 6th Aircraft Repair Unit (Floating) anchored in Subic Bay, The Philippines, on September 8, 1945.
A Coast Guard HNS-1 landing aboard the USS ‘Midway’ (CVB-41) during operations in Arctic waters between Labrador and Greenland in March 1946.
The Sikorsky XR-4 hovering at the plant on the occasion of its first flight on January 14, 1942. Although of poor quality, this photo has the merit of showing the XR-4's initial configuration with truss-mounted horizontal rail rotor, no rear fuselage covering, and aft location of tail wheel.
Sikorsky R-4 Hoverfly Mk.1
General arrangement drawing of a Hoverfly I.
A YR-4B (42-107245) in flight at Wright Field on May 30, 1944. One of the five Sikorsky XR-5A prototypes can be seen on the ground below the YR-4B's tail rotor.