Specifications

Contractor: Bell Helicopter TEXTRON, Inc. (Prime), General Electric, Kollsman Inc.
Power Plant:
- Two General Electric T700-GE-401 Turboshaft engines
- Each engine delivers 1,690 horsepower.
Accommodations: Two seats, in tandem (pilot in rear, copilot/gunner in front)
Performance:
- Climb rate: 1,925 feet per minute
- Maximum altitude: 14,750 feet
- Maximum attainable speed: 170 knots (195 mph)
- Maximum cruising speed: 152 knots (173 mph)
Countermeassure: AN/ALE-39 Chaff system and SUU-4/1 Flare dispensers
Armament:
- One M197 three barrel 20 mm gun (mounted under the nose with 750 round ammo container)
- Underwing attachments for four TOW missiles, eight Hellfire missiles, or one AIM-9L Sidewinder missile
- Can also be equipped with Zuni rocket launchers

External Dimensions :
Main rotor diameter: 14.63 m
Main rotor blade chord: 00.84 m
Tail rotor diameter : 02.97 m
Tail rotor blade chord : 00.305 m
Distance between rotor centers : 08.89 m
Wing span : 03.28 m
Wing aspect ratio : 03.74
Length: overall, rotors turning : 17.68 m
Length: fuselage : 13.87 m
Width overall : 03.28 m
Height (to top of rotor head) : 04.11 m
Overall height : 04.44 m
Ground clearance, main rotor, turning : 02.74 m
Elevator span : 02.11 m
Width over skids : 02.24 m

Areas :
Main rotor blades (each) : 006.13 m2
Tail rotor blades (each) : 000.45 m2
Main rotor disc : 168.11 m2
Tail rotor disc : 006.94 m2
Vertical fin : 002.01 m2
Horizontal tail surfaces : 001.41 m2

Weights and Loadings :
Weight empty : 004.634 kg
Mission fuel load (usable) : 946 kg
Maximum useful load (fuel and disposable ordinance) : 002.065 kg
Maximum Takeoff and landing weight : 006.690 kg
Maximum disc loading : 039.80 kg/m2
Maximum power loading : 004.42 kg/kW

Performance (At Maximum T-O weight, ISA) :
Never exceed speed (Vne) : 190 knots
Maximum level speed at S/L : 152 knots
Rate of climb at S/L, OEI : 244 m/minute
Service ceiling : More than 4,720 m
Service ceiling, OEI : More than 3,660 m
Hovering ceiling :
- IGE : 4, 495 m
- OGE : 915 m
Range at S/L with standard fuel, no reserves : 317 nm