About: Lockheed AH-56 Cheyenne

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An Entity of Type : dbkwik:resource/AGhloO_nVTaFp7GvOmHv5Q==, within Data Space : 134.155.108.49:8890 associated with source dataset(s)

The Lockheed AH-56 Cheyenne was an attack helicopter developed by Lockheed for the United States Army. It rose from the Army's Advanced Aerial Fire Support System (AAFSS) program to field the service's first dedicated attack helicopter. Lockheed designed the Cheyenne using a four-blade rigid-rotor system and configured the aircraft as a compound helicopter. It also featured low-mounted wings, a tail-mounted thrusting propeller, and a single General Electric T64 turboshaft engine. The Cheyenne was to have a high-speed dash capability to provide armed escort for the Army's transport helicopters, such as the Bell UH-1 Iroquois.

Attributes	Values
rdf:type	Aircraft Type
rdfs:label	Lockheed AH-56 Cheyenne
rdfs:comment	The Lockheed AH-56 Cheyenne was an attack helicopter developed by Lockheed for the United States Army. It rose from the Army's Advanced Aerial Fire Support System (AAFSS) program to field the service's first dedicated attack helicopter. Lockheed designed the Cheyenne using a four-blade rigid-rotor system and configured the aircraft as a compound helicopter. It also featured low-mounted wings, a tail-mounted thrusting propeller, and a single General Electric T64 turboshaft engine. The Cheyenne was to have a high-speed dash capability to provide armed escort for the Army's transport helicopters, such as the Bell UH-1 Iroquois.
sameAs	dbr:Lockheed_AH-56_Cheyenne
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max takeoff weight alt	11740.0
loaded weight main	18300.0
Guns	:1 × nose turret with either an M129 40 mm grenade launcher or an XM196 7.62x51 mm machine gun and :1 × belly turret with an XM140 30 mm cannon
climb rate main	3000.0
number of props	1(xsd:integer)
length alt	16.66 m
span main	1562.1
Status	Canceled
cruise speed main	195(xsd:integer)
cruise speed alt	225(xsd:integer)
height alt	4.18 m
primary user	United States Army
Type	Attack Helicopter
type of prop	turboshaft
range alt	1225(xsd:integer)
length main	1666.24
power alt	2930.0
power main	3925(xsd:integer)
hardpoints	6(xsd:integer)
height main	13(xsd:integer)
span alt	15.62 m
missiles	BGM-71 TOW missiles
range main	1063.0
Manufacturer	Lockheed
max speed main	212(xsd:integer)
engine (prop)	dbkwik:resource/oNHaQcYHi_yEfApHi6hHJQ==
climb rate alt	15.23
ceiling main	20000.0
National Origin	United States
empty weight main	12215.0
loaded weight alt	8300.0
First Flight	1967-09-21(xsd:date)
max speed alt	244(xsd:integer)
jet or prop?	prop
empty weight alt	5540.0
plane or copter?	copter
ceiling alt	6,100 m
max takeoff weight main	25880.0
rockets	2(xsd:double)
Crew	Two; one pilot, one copilot/gunner
Number Built	10(xsd:integer)
ref	Jane's Aircraft WarbirdTech AH-56A
more general	Rotor systems: 4 blades on main rotor, 4 blades on tail rotor, 3 blades on pusher propeller
abstract	The Lockheed AH-56 Cheyenne was an attack helicopter developed by Lockheed for the United States Army. It rose from the Army's Advanced Aerial Fire Support System (AAFSS) program to field the service's first dedicated attack helicopter. Lockheed designed the Cheyenne using a four-blade rigid-rotor system and configured the aircraft as a compound helicopter. It also featured low-mounted wings, a tail-mounted thrusting propeller, and a single General Electric T64 turboshaft engine. The Cheyenne was to have a high-speed dash capability to provide armed escort for the Army's transport helicopters, such as the Bell UH-1 Iroquois. In 1966, the Army awarded Lockheed a contract for ten AH-56 prototypes. The AH-56's maiden flight took place on 21 September 1967. In January 1968, the Army awarded Lockheed a production contract, based on flight testing progress. A fatal crash and technical problems affecting performance put Cheyenne development behind schedule, resulting in the cancellation of the production contract on 19 May 1969. Development of the Cheyenne continued in the hope that the helicopter would eventually enter service. On 9 August 1972, the Army canceled the Cheyenne program. Controversy with the United States Air Force over the Cheyenne's role in combat as well as the political climate regarding military acquisition programs had caused the Army to amend the service's attack helicopter requirements in favor of a twin-engined conventional helicopter, viewed as less technical and more survivable. The Army announced a new program for an Advanced Attack Helicopter (AAH) on 17 August 1972, which led to the development of the AH-64 Apache.

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