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  2. Flight level - Wikipedia

    en.wikipedia.org/wiki/Flight_level

    Flight levels [3] are described by a number, which is the nominal altitude, or pressure altitude, in hundreds of feet, and a multiple of 500 ft.Therefore, a pressure altitude of 32,000 ft (9,800 m) is referred to as "flight level 320".

  3. Flight altitude record - Wikipedia

    en.wikipedia.org/wiki/Flight_altitude_record

    The highest altitude obtained by a paper plane was previously held by the Paper Aircraft Released Into Space (PARIS) project, which was released at an altitude of 27.307 kilometres (89,590 ft), from a helium balloon that was launched approximately 80 kilometres (50 mi) west of Madrid, Spain on October 28, 2010, and recorded by The Register's ...

  4. Height - Wikipedia

    en.wikipedia.org/wiki/Height

    Height is normal to the plane formed by the length and width. Height is also used as a name for some more abstract definitions. These include: The height or altitude of a triangle, which is the length from a vertex of a triangle to the line formed by the opposite side; The height of a pyramid, which is the smallest distance from the apex to the ...

  5. North American X-15 - Wikipedia

    en.wikipedia.org/wiki/North_American_X-15

    The new plane renamed X-15A-2, had a new 28 -in. fuselage extension to carry liquid hydrogen. [1] It was lengthened by 2.4 feet (73 cm), had a pair of auxiliary fuel tanks attached beneath its fuselage and wings, and a complete heat-resistant ablative coating was added.

  6. Highest falls survived without a parachute - Wikipedia

    en.wikipedia.org/wiki/Highest_falls_survived...

    Sole survivor of the LANSA Flight 508 plane crash, landed in seat and suffered broken collarbone and other injuries; hiked for 11 days through Peruvian rainforest to safety. [1] James Boole: 6,000 1,800 2009 British skydiver who landed in snow in Russia. Broke back and rib, but was walking within a week. [1] Victoria Cilliers: 4,000 1,219 2015

  7. Ceiling (aeronautics) - Wikipedia

    en.wikipedia.org/wiki/Ceiling_(aeronautics)

    The absolute ceiling is the highest altitude at which an aircraft can sustain level flight. Due to the thin air at higher altitudes, a much higher true airspeed (TAS) is required to generate sufficient lift on the wings.

  8. High-altitude military parachuting - Wikipedia

    en.wikipedia.org/wiki/High-altitude_military...

    United States Air Force Pararescuemen jump at half the height of a typical HALO/HAHO insertion 2eme REP Legionnaires HALO jump from a C-160.. High-altitude military parachuting, or military free fall (MFF), is a method of delivering military personnel, military equipment, and other military supplies from a transport aircraft at a high altitude via free-fall parachute insertion.

  9. Wingspan - Wikipedia

    en.wikipedia.org/wiki/Wingspan

    The distance A to B is the wingspan of this Boeing 777-200ER. The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the opposite wingtip. For example, the Boeing 777–200 has a wingspan of 60.93 metres (199 ft 11 in), [1] and a wandering albatross (Diomedea exulans) caught in 1965 had a wingspan of 3.63 metres (11 ft 11 in), the official record for a living ...