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The highest altitude obtained by an electrically powered aircraft is 29.524 kilometres (96,863 ft) on August 14, 2001, by the NASA Helios, and is the highest altitude in horizontal flight by a winged aircraft. This is also the altitude record for propeller driven aircraft, FAI class U (Experimental / New Technologies), and FAI class U-1.d ...
Above the TA, the aircraft altimeter pressure setting is changed to the standard pressure setting of 1013 hectopascals (equivalent to millibars) or 29.92 inches of mercury, with the aircraft altitude will be stated as a flight level instead of altitude. In the United States and Canada, the transition altitude is 18,000 ft (5,500 m). [5]
A landing U-2 is accompanied on the ground by a chase car, which is driven by a second U-2 pilot who assists the landing U-2 by reporting the aircraft's altitude. [45] [46] In practice, once the aircraft has descended to an altitude of two feet (0.61 m) above the runway the pilot initiates a stall and the aircraft falls from this height. Chase ...
A Royal Air Force Panavia Tornado GR4 Soko J-22 Orao in low level flight, 2007. Low flying military training involves military aircraft flying at low altitude to prepare their aircrew, and other military personnel (e.g. air defence troops), for nap-of-the-earth flying in wartime.
The required altitude depends on the type of terrain, such as low vegetation or low buildings, tree canopy layer of less than 45 m (148 ft), presence of tall buildings or concrete pylons with heights of up to 25 m (82 ft) international standard, or emergent tree layer canopy and lattice steel electricity pylons to 100 m (330 ft) being present ...
The aircraft carried high-altitude cameras which were able to take oblique shots at 45 degrees up to 60 nm range from the aircraft with a 30 inch resolution. ELINT/SIGINT equipment was carried in the nose. A total of 21 RB-57F aircraft were eventually re-manufactured from existing B-57A, B-57B and RB-57D airframes. Some RB-57Fs used in the ...
The X-15 set speed and altitude records in the 1960s, crossing the edge of outer space and returning with valuable data used in aircraft and spacecraft design. The X-15's highest speed, 4,520 miles per hour (7,274 km/h; 2,021 m/s), [ 1 ] was achieved on 3 October 1967, [ 2 ] when William J. Knight flew at Mach 6.7 at an altitude of 102,100 feet ...
In September 2006, the B-52 became one of the first US military aircraft to fly using alternative fuel. It took off from Edwards Air Force Base with a 50/50 blend of Fischer–Tropsch process (FT) synthetic fuel and conventional JP-8 jet fuel, which burned in two of the eight engines. On 15 December 2006, a B-52 took off from Edwards with the ...