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Igor Sikorsky designed and built the first military helicopter named ________.

XR-1
XR-2
XR-3
XR-4


He designed and built the first military helicopter, XR-4, which he delivered to Colonel Franklin Gregory of the U.S. Army.

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In which year Igor Sikorsky''s rotorcraft company made the world''s first helicopter that could land and take off from water too?

1935
1949
1958
1965


In 1958, Igor Sikorsky''s rotorcraft company made the world''s first helicopter that had a boat hull and could land and takeoff from water. It could also float on the water.

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In 1944, ________ inventor Stanley Hiller, Jr. made the first helicopter with all metal rotorblades that were very stiff.

German
Japanese
American
Russian


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The __________ is a highly modified version of the Army Black Hawk helicopter.

SH-60
Pave Hawk
CH-53E
CH-46D


The Pave Hawk is a highly modified version of the Army Black Hawk helicopter which features an upgraded communications and navigation suite

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What is the emplty weight of Mi-26 ?

28,200 kg
29,200 kg
30,200 kg
31,200 kg


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The first practically successful rotorcraft (the Autogiro) was built by the _________ engineer Juan de la Cierva, in the year 1923.

Helicopter5.jpg
American
Spanish
German
British


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What is the first fully functional helicopter ever built ?

Focke-Dulf Fw 61
Focke-Aulf Fw 61
Focke-Eulf Fw 61
Focke-Wulf Fw 61


The first fully functional helicopter ever built is the Focke-Wulf Fw 61. It was built by Henrich Focke and Gerd Achgelis. It was first flown in the year 1936.

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What is the speed of fastest helicopter ?

290 km/h
310 km/h
370 km/h
402 km/h


The fastest helicopter is the Westland Lynx, which flew at 402 km/h on 6 August 1986.

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"Westland Lynx" Helicoper which has a world records of fastest speed is of which country ?

USA
UK
France
Germany


The Westland Lynx is a British multi-purpose military helicopter designed and built by Westland Helicopters at its factory in Yeovil.

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"Sikorsky CH-54 Tarhe" Helicopter, which has a world record of Highest level flight altitude, is of which country ?

Germany
France
USA
UK


The Sikorsky CH-54 Tarhe is a twin-engine heavy-lift helicopter designed by Sikorsky Aircraft for the United States Army.

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