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  2. Sikorsky R-4 - Wikipedia

    en.wikipedia.org/wiki/Sikorsky_R-4

    The R-4 was the world's first large-scale mass-produced helicopter and the first helicopter used by the United States Army Air Forces, [1] the United States Navy, the United States Coast Guard and the United Kingdom's Royal Air Force and Royal Navy. In U.S. Navy and U.S. Coast Guard service, the helicopter was known as the Sikorsky HNS-1.

  3. 2025 Potomac River mid-air collision - Wikipedia

    en.wikipedia.org/wiki/2025_Potomac_River_mid-air...

    It was the first major U.S. commercial passenger flight crash in nearly 16 years since Colgan Air Flight 3407 in 2009. [ 6 ] Flight 5342 was on final approach after departing from Wichita Dwight D. Eisenhower National Airport in Wichita, Kansas , while the helicopter crew was performing a required annual night flying evaluation out of Davison ...

  4. Helicopter - Wikipedia

    en.wikipedia.org/wiki/Helicopter

    On 11 December 1951, the Kaman K-225 became the first turbine-powered helicopter in the world. Two years later, on 26 March 1954, a modified Navy HTK-1, another Kaman helicopter, became the first twin-turbine helicopter to fly. [97] However, it was the Sud Aviation Alouette II that would become the first helicopter to be produced with a turbine ...

  5. List of deadliest aircraft accidents and incidents - Wikipedia

    en.wikipedia.org/wiki/List_of_deadliest_aircraft...

    The US Code of Federal Regulations defines an accident as "an occurrence associated with the operation of an aircraft, which takes place between the time any person boards the aircraft with the intention of flight and all such persons have disembarked, and in which any person suffers death or serious injury, or in which the aircraft receives substantial damage;" an incident as "an occurrence ...

  6. List of accidents and incidents involving helicopters - Wikipedia

    en.wikipedia.org/wiki/List_of_accidents_and...

    19 May - A Bell 212 helicopter crashed near Varzaqan, Iran, resulting in the death of Iranian President Ebrahim Raisi, Hossein Amir-Abdollahian, Malek Rahmati, and Mohammad Ali Ale-Hashem who were passengers on board. [16] 31 August - A Mil Mi-8T helicopter crashed over Kamchatka, Russia. All 22 occupants onboard were killed. [17]

  7. Ian Epstein, 53, was a flight attendant on the American Airlines flight involved in the deadly collision, his sister, Robbie Bloom, confirmed to CNN. “My brother was a wonderful, wonderful man ...

  8. Death flights - Wikipedia

    en.wikipedia.org/wiki/Death_flights

    The first guerrilla is pushed out blindfolded and quickly confesses in panic, not realizing the helicopter has already landed and he has been tricked. [citation needed] The 1991 film Toy Soldiers shows a drug cartel kidnapping a judge, whom they promptly kill by throwing him from a helicopter in flight.

  9. Paul Cornu - Wikipedia

    en.wikipedia.org/wiki/Paul_Cornu

    He made history by designing the world's first successful manned rotary wing aircraft. Cornu first built an unmanned experimental design powered by a 2 hp Buchet engine. [3] His manned helicopter was powered by a 24 horsepower (18 kW) Antoinette engine. [4] He piloted this construction himself at Normandy, France on 13 November 1907. [5]