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Bell AH-1 Cobra
Variants

Single-engined models

Bell 209 - Original AH-1G prototype with retractable skid landing gear. This model number is also used by the FAA for the civilian registration of former U.S. Army AH-1s used in firefighting service.


Bell 209 prototype.

AH-1G HueyCobra - Initial 1966 production model gunship for the US Army, with one 1,400shp Avco Lycoming T53-13 turboshaft.


AH-1G HueyCobra.

JAH-1G HueyCobra - One helicopter for armament testing including Hellfire missiles and multi-barrel cannon.

TH-1G HueyCobra - Two-seat dual-control trainer.

Z.14 HueyCobra - Spanish Navy designation of the AH-1G.

YAH-1Q - Eight AH-1Gs with XM26 Telescopic Sight Unit (TSU) and two M56 TOW 4-pack launchers.

AH-1Q HueyCobra - Equipped with the M65 TOW/Cobra missile subsystem, M65 Telescopic Sight Unit (TSU), and M73 Reflex sight. All future versions will be equipped with the TSU and be equipped to fire the TOW missile subsystem.


AH-1Q HueyCobra.

YAH-1R - AH-1G powered by a T53-L-703 engine without TOW system.

YAH-1S - AH-1Q upgrade and TOW system.

AH-1S - The baseline AH-1S is an AH-1Q upgraded with a 1,800 shp T53-L-703 turboshaft engine. The AH-1S is also referred to as the "Improved AH-1S", "AH-1S Modified", or "AH-1S(MOD)" prior to 1988. (Prior to 1988, all upgraded aircraft were referred to as variants of the AH-1S.)


AH-1S Cobra of the Japanezse Self Defense Force.

AH-1P - 100 production aircraft with composite rotors, flat plate glass cockpit, and improved cockpit layout for nap-of-earth (NOE) flight. The AH-1P is also referred to as the "Production AH-1S", or "AH-1S(PROD)" prior to 1988. These improvements are considered Step 1 of the AH-1S upgrade program.

AH-1E - 98 production aircraft with the Enhanced Cobra Armament System (ECAS) featuring the M97A1 armament subsystem with a three-barreled M197 20 mm cannon. The AH-1E is also referred to as the "Upgunned AH-1S", or "AH-1S(ECAS)" prior to 1988. These improvements are considered Step 2 of the AH-1S upgrade program. AH-1E aircraft did not have the M147 Rocket Management Subsystem (RMS) and were unable to fire 2.75 inch rockets.

AH-1F - 143 production aircraft and 387 converted AH-1G Cobras. The AH-1F incorporates all Step 1 and 2 upgrades to the AH-1S as well as a return of the M147 RMS, an M143 Air Data Subsystem (ADS), a laser rangefinder and tracker, an infrared jammer mounted above the engine exhaust, and an infrared suppressing engine exhaust system. The AH-1F is also referred to as the "Modernized AH-1S", "AH-1S Modernized Cobra", or "AH-1S(MC)" prior to 1988.

Model 249 - Experimental demonstrator version fitted with a four-bladed rotor system, an uprated engine and experimental equipment, including Hellfire missiles.

Bell 309 KingCobra - Experimental version powered by one Lycoming T-55-L-7C engine

Twin-engined models

AH-1J SeaCobra - Original twin engine version.


AH-1J SeaCobra.

AH-1J International - Export version of the AH-1J SeaCobra.

AH-1T Improved SeaCobra - Improved version with extended tailboom and fuselage and an upgraded transmission and engines.


AH-1T SeaCobra.

AH-1W SuperCobra - ("Whiskey Cobra"), day/night version with more powerful engines and advanced weapons capability.


AH-1W Super Cobra.

AH-1Z Viper - ("Zulu Cobra"), in conjunction with the UH-1Y Venom upgrade. Version includes an upgraded 4 blade main rotor and adds the Night Targeting System (NTS).


AH-1Z Viper.


Model 309 King Cobra.

Cobra Venom - Proposed version for the United Kingdom.

AH-1RO Dracula - Proposed version for Romania.

AH-1Z King Cobra - AH-1Z offered under Turkey's ATAK program; selected for production, but later canceled when Bell and Turkey could not reach an agreement on production.

Panha 2091 - unlicensed Iranian upgrade of the AH-1J International.

Sources:
Wikipedia: AH-1 Cobra
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