īase Rescue Moose Jaw CH-118 Iroquois helicopters 118101 at CFB Moose Jaw, 1982 UH-1H Improved UH-1D with a Lycoming T-53-L-13 engine of 1,400 shp 5,435 built. TH-1G Two-seat dual-control Cobra trainer. JAH-1G One Cobra helicopter modified for armament testing, including Hellfire missiles and multi-barrel cannon. AH-1G Initial 1966 production model of the Cobra gunship for the US Army, with one 1,400 shp Avco Lycoming T53-13 turboshaft. UH-1G Designation given locally to UH-1D/H gunships operating with the Cambodia armed forces.

TH-1F Instrument and Rescue Trainer based on the UH-1F for the USAF. UH-1F UH-1B/C for the USAF, with General Electric T-58-GE-3 engine of 1,325 shp. AH-1F 'Modernized AH-1S', with upgraded avionics and defensive systems. TH-1E UH-1C configured for Marine Corps training. UH-1E UH-1B/C for USMC with different avionics and equipment. The AH-1E is also referred to as the 'Upgunned AH-1S', or 'AH-1S(ECAS)' prior to 1988. AH-1E 98 production Cobra gunships with the Enhanced Cobra Armament System (ECAS) featuring the M97A1 armament subsystem with a three-barreled M197 20 mm cannon. HH-1D Rescue/fire fighting variant of UH-1D.

Also built under license in Germany by Dornier. UH-1D Initial Bell 205 production model (long fuselage version of the 204). YUH-1D Seven pre-production prototypes of the UH-1D. UH-1C UH-1B with improved engine, modified blades and rotor-head for better performance in the gunship role. YUH-1B UH-1B prototypes NUH-1B A single test aircraft, serial number 64-18261. HU-1B Upgraded HU-1A, various external and rotor improvements. XH-1A A single UH-1A was redesignated for grenade launcher testing in 1960. TH-1A UH-1A with dual controls and blind-flying instruments, 14 conversions. The HU-1 designation gave rise to the popular but unofficial nickname 'Huey'. HU-1A Initial Bell 204 production model, redesignated as the UH-1A in 1962. Bell 533 One YH-40BF rebuilt as a flight test bed with turbofan engines and wings. YH-40 Six aircraft for evaluation, as XH-40 with 12-inch cabin stretch and other modifications. CH-146 Griffon XH-40 The initial Bell 204 prototype.

Huey helicopter