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| Primary function | Utility helicopter |
| Manufacturer | Bell Helicopter Textron |
| Power plant | Pratt and Whitney T400-CP-400 |
| Power |
Burst: 1290 shaft horsepower (transmission limited) Continuous: 1134 shaft horsepower (transmission limited) |
| Length | 57.3 feet (17.46 meters) |
| Height | 14.9 feet (4.54 meters) |
| Rotor Diameter | 48 feet (14.62 meters) |
| Speed | 121 knots (139.15 miles per hour) at sea level |
| Ceiling |
14,200 feet (4331 meters) (limited to 10,000 feet (3050 meters) by oxygen requirements) |
| Maximum takeoff weight | 10,500 pounds (4,767 kilograms) |
| Range | 172 nautical miles (197.8 miles) |
| Crew |
Officer: 2 Enlisted: 2 |
| Armament |
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| Introduction date | 1971 |
| Unit Replacement Cost | $4,700,000 |
| Marine Corps Inventory | 107 |
| Contractor: | McDonnell Douglas Aircraft (Airframe Prime), Rolls Royce (Engine Prime) |
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| Countermeasures: | Not applicable |
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| Contractor: | Bell Helicopter TEXTRON, Inc. (Prime), General Electric, Kollsman Inc. |
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| General Characteristics |
| Primary Function: Vertical takeoff and landing (VTOL) aircraft. |
| Contractor: Bell-Boeing. |
| Propulsion: Two pivoting Rolls-Royce/Allison AE1107C engines. |
| Rotor Diameter: 38 feet (11.58 meters); Blades per rotor: Three. |
| Weight: 60,500 lbs max gross weight. |
| Airspeed: 272 knots (cruise speed). |
| Ceiling: 25,000 feet (service ceiling). |
| General Characteristics |
| Primary Function: Electronic countermeasures. |
| Contractor: Northrop Grumman Systems Corporation. |
| Date Deployed: First Flight: 25 May 1968; Operational Capability: July 1971. |
| Propulsion: Two Pratt & Whitney J52-P408 engines (10,400 pounds thrust each). |
| Length: 59 feet 10 inches (17.7 meters). |
| Height: 16 feet 8 inches (4.9 meters). |
| Wingspan: 53 feet (15.9 meters). |
| Weight: Maximum Take Off Gross Weight: 61,500 pounds (27,450 kg). |
| Airspeed: 500 Kts + (575 mph, 920 kmh). |
| Ceiling: 37,600 feet. |
| Range: 1,000 nautical miles+ (1,150 miles, 1,840 km). |
| Crew: Pilot and three electronic countermeasures officers. |
| General Characteristics |
| Contractor: Sikorsky Aircraft Division of United Technologies Corp. |
| Date Deployed: First flight: Dec 23, 1981; Operational: June 1986. |
| Propulsion: Three General Electric T64-GE-419 turboshaft engines (4,750 shaft horsepower each). |
| Length: Fuselage: 73 feet, 4 inches (22 meters); Overall: 99 feet 0.5 inches (30.2 meters). |
| Height: 28 feet 4 inches (8.6 meters). |
| Rotor Diameter: 79 feet (24.1 meters). |
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Weight: Max. Gross weight, w/ external load: 69,750 lbs (31,693 kg) Max. Gross weight, w/internal load: 69,750 lb (31,693 kg) Empty weight: 36,745 lb (16,667 kg) |
| Airspeed: Max: 150 knots (278 km/hour). |
| Ceiling: 10,000 feet. |
| Range: Max: 1050 nautical miles. |
| Crew: Two pilots, one aircrewman. |
| Load: 55 troops or 32,000 pounds (14,512 kg) cargo. |