The Bell Model 209 Cobra series of attack helicopter was developed from the proven Model 204 (UH-1B/C Iriquois). Combining the basic transmission, rotor system, and engine with a new streamlined fuselage designed for maximum speed, armament load, and crew efficiency; produced an armed helicopter purpose-built for close air support/attack roles.

The Model 209 prototype first flew on September 7, 1965. The AH-1G Huey Cobra a single engine version for the United States Army went into production in 1966. The AH-1J Sea Cobra, a twin engine version, for the United States Marine Corps went into production in 1968. By 1975, a total of 69 Sea Cobras were in the Marine Corps. inventory. Modifications to the Cobra series for both the Army and Marines have continued over the years with improved capability, performance, reliability, and survivability. The latest in the series is the AH-1W Super Cobra which went into service with the Marines in 1986.

The Sea Cobra on display, Bureau Number 159220, is a AH-1J built by Bell Helicopter Company and accepted by the Marine Corps.

This aircraft is on loan from the National Museum of the Marine Corps located in Quantico, Virginia.

ENGINE		Pratt & Whitney T400-CP-400 twin engine turboshaft, developing 1,800 s.h.p.
ARMAMENT		One, M-197 three-barrel 20mm Gatling Gun in under-nose turret and external stores for: up to 14, 2.75" rockets or 8, 5" rockets, or 2, AIM-9 Sidewinder Missiles, Minigun pods, etc.
MAIN ROTOR DISC DIAMETER		44 feet, 0 Inches
LENGTH		44 feet, 7 inches
HEIGHT		13 feet, 8 inches
MAX TAKEOFF WEIGHT		10,000 pounds
MANUFACTURED BY		Bell Helicopter
FIRST AH-1 BUILT		1965
MAXIMUM SPEED		207 m.p.h.
RANGE		359 miles
BUREAU NUMBER		159220