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The Pantsir ( Russian: Панцирь, lit. 'Armour') missile system is a family of self-propelled, medium-range surface-to-air missile and anti-aircraft artillery systems. Three types of vehicles make up one system: a missile launcher, a radar truck and a command post. Starting with the Pantsir-S1 ( Russian: Панцирь-С1, NATO reporting ...
Sikorsky Aircraft Corporation. used as the official helicopters of the President of the United States Marine One. 1959. 1961. 1500. Sikorsky S-61R. Medium-lift transport/SAR helicopter. Sikorsky Aircraft Corporation. The S-61R served in the United States Air Force and in the United States Coast Guard.
The 582nd Helicopter Group was activated in January 2015 at F. E. Warren Air Force Base, Wyoming to provide a unified headquarters for the helicopter squadrons located on the intercontinental ballistic missile bases of Air Force Global Strike Command . The group was first activated in 1943 as the 2nd Emergency Rescue Squadron at Hamilton Field ...
A radio-controlled aircraft (often called RC aircraft or RC plane) is a small flying machine that is radio controlled by an operator on the ground using a hand-held radio transmitter. The transmitter continuously communicates with a receiver within the craft that sends signals to servomechanisms (servos) which move the control surfaces based on ...
The Light Observation Helicopter ( LOH) program was a United States Army program to evaluate, develop and field a light scout helicopter to replace the Army's aging Bell OH-13 Sioux. It gained impetus with the advent of the Vietnam War, and was aided by advances in helicopter technology, specifically the development of the turboshaft engine.
The FAA states "The height–velocity diagram or H/V curve is a graph charting the safe/unsafe flight profiles relevant to a specific helicopter. As operation outside the safe area of the chart can be fatal in the event of a power or transmission failure it is sometimes referred to as the dead man's curve ." [1]
Ingenuity, nicknamed Ginny, is an autonomous NASA helicopter that operated on Mars from 2021 to 2024 as part of the Mars 2020 mission. Ingenuity made its first flight on April 19, 2021, demonstrating that flight is possible in the extremely thin atmosphere of Mars, and becoming the first aircraft to conduct a powered and controlled extra ...
History. Starting in 1947, British European Airways (BEA) had operated a Helicopter Experiment Unit. It initially operated a fleet of five helicopters sourced from the United States - three Sikorsky S-51s and two Bell 47s. [citation needed] The unit operated timetabled mail services in East Anglia during 1948 using their Westland-Sikorsky S51s.