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The illustrated encyclopedia of helicopters. New York: Bonanza Books. ISBN 0-517-43935-2. Best, Martin S. (September 2014). "A History of the Fairchild Hiller FH-1100 Helicopter: Part 2: Development and Operation of the FH-1100". Air-Britain Archive. pp. 107– 122. ISSN 0262-4923. Donald, David (1998). The complete encyclopedia of world ...
Part of A/C air conditioning system ACMS Aircraft condition monitoring system ACP Audio Control Panel ACR Avionic Communication Router ACS 1: Airman Certification Standards [4] FAA pilot testing ACS 2: Audio control system ACU 1: Air condition unit ACU 2: Alternator control unit [2] Protection from alternator over-voltage. AD Airworthiness ...
This is a list of rotorcraft, including helicopters, autogyros, rotor kites and convertiplanes. Lists of aircraft; 0–Ah; Ai–Am; An–Az; B–Be; Bf–Bo; Br–Bz ...
The "helicopter", and the real hieroglyphs of Seti I and Ramesses II. The helicopter hieroglyphs is a name given to part of an Egyptian hieroglyph carving from the Temple of Seti I at Abydos. It is a palimpsest relief with two overlapping inscriptions, the titles of Ramesses II superimposed on those of his predecessor Seti I.
Military helicopters are a significant part of the helicopter market In 2017, 926 civil helicopters were shipped for $3.68 billion, led by Airbus Helicopters with $1.87 billion for 369 rotorcraft, Leonardo Helicopters with $806 million for 102 (first three-quarters only), Bell Helicopter with $696 million for 132, then Robinson Helicopter with ...
In 1996, the United States Marine Corps launched the H-1 upgrade program. A contract was signed with Bell Helicopter for upgrading 100 UH-1Ns into UH-1Ys and upgrading 180 AH-1Ws into AH-1Zs. [7] [8] The H-1 program modernized utility and attack helicopters with considerable design commonality to reduce operating costs. The UH-1Y and AH-1Z ...
The AH-1Z was developed during the 1990s and 2000s as a part of the H-1 upgrade program on behalf of the United States Marine Corps (USMC). It is essentially a modernisation of the service's existing AH-1Ws, and was originally intended to be a rebuild program before subsequent orders were made for new-build helicopters instead.
The first Z-9 flew in 1981, and was built in China from components supplied by Aérospatiale as part of a production patent bought on 15 October 1980. [2] On 16 January 1992, the indigenous variant Z-9B, constructed with 70% Chinese-made parts, flew successfully. The flight test was completed in November 1992 and the design was finalized a ...