Helicopter

Kategorie: Verkehr: Helicopter:


http://www.helitravel.de/
Eintrag vom: 21.12.2013.


See our list of 16 types of military helicopters employed by the US Army US Navy US Air Force US Marine Corps & US Coast Guard.
https://www.operationmilitarykids.org/types-of-us-military-helicopters/
 OPERATIONMILITARYKIDS


Since 1997 the Helicopter History Site has provided freely accessible information on all aspects of helicopters and vertical flight. Featured sections of the website include history of helicopter manufacturers industry news and an ever-growing database of over 62 000 individual helicopters.
https://www.helis.com/
 HELIS


A helicopter is a type of rotorcraft in which lift and thrust are supplied by horizontally-spinning rotors. This allows the helicopter to take off and land vertically hover and fly forward backward and laterally.
https://www.theengineeringchoice.org/types-of-helicopters/
 THEENGINEERINGCHOICE


What is a helicopter? A helicopter is an aircraft with one or more power-driven horizontal propellers or rotors that enable it to take off and land vertically to move in any direction or to remain stationary in the air.
https://www.britannica.com/technology/helicopter
 BRITANNICA


Airbus delivers the most efficient helicopters to customers who serve protect save lives and carry passengers in demanding environments.
https://www.airbus.com/en/products-services/helicopters
 AIRBUS


The Focke-Wulf Fw 61 was the first successful practical and fully controllable helicopter in 1936 while in 1942 the Sikorsky R-4 became the first helicopter to reach full-scale production.
https://en.wikipedia.org/wiki/Helicopter
 WIKIPEDIA



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