AH-1Z Viper/General characteristics
- Crew: 2: pilot, co-pilot/gunner (CPG)
- Capacity: 6,661 lb (3,021 kg)
- Length: 58 ft 3 in (17.8 m)
- Rotor diameter: 48 ft (14.6 m)
- Height: 14 ft 4 in (4.37 m)
- Disc area: 1,808 ft² (168.0 m²)
- Empty weight: 12,300 lb (5,580 kg)
- Useful load: 5,764 lb (2,620 kg)
- Max takeoff weight: 18,500 lb (8,390 kg)
- Powerplant: 2× General Electric T700-GE-401C turboshaft, 1,800 shp (1,340 kW) each
- Rotor systems: 4 blades on main rotor, 4 blades on tail rotor
- Never exceed speed: 222 knots (255 mph, 411 km/h)
- Cruise speed: 160 kn (184 mph, 296 km/h)
- Range: 370 nmi (426 mi, 685 km)
- Combat radius: 125 nmi (144 mi, 231 km) with 2,500 lb (1,130 kg) payload
- Service ceiling: 20,000+ ft (6,100+ m)
- Rate of climb: 2,790 ft/min (14.2 m/s)
- Crew: 2 (pilot, and co-pilot/gunner)
- Length: 58.17 ft (17.73 m) (with both rotors turning)
- Rotor diameter: 48 ft 0 in (14.63 m)
- Height: 12.7 ft (3.87 m)
- Disc area: 1,809.5 ft² (168.11 m²)
- Empty weight: 11,387 lb (5,165 kg)
- Loaded weight: 17,650 lb (8,000 kg)
- Max takeoff weight: 23,000 lb (10,433 kg)
- Powerplant: 2× General Electric T700-GE-701 and later upgraded to T700-GE-701C (1990–present) & T700-GE-701D (AH-64D block III) turboshafts, -701: 1,690 shp, -701C: 1,890 shp, -701D: 2,000 shp (-701: 1,260 kW, -701C: 1,490 kW, -701D: 1,490 kW) each
- Fuselage length: 49 ft 5 in (15.06 m)
- Rotor systems: 4 blade main rotor, 4 blade tail rotor in non-orthogonal alignment
- Never exceed speed: 197 knots (227 mph, 365 km/h)
- Maximum speed: 158 knots (182 mph, 293 km/h)
- Cruise speed: 143 knots (165 mph, 265 km/h)
- Range: 257 nmi (295 mi, 476 km) with Longbow radar mast
- Combat radius: 260 nmi (300 mi, 480 km)
- Ferry range: 1,024 nmi (1,180 mi, 1,900 km)
- Service ceiling: 21,000 ft (6,400 m) minimum loaded
- Rate of climb: 2,500 ft/min (12.7 m/s)
- Disc loading: 9.80 lb/ft² (47.9 kg/m²)
- Power/mass: 0.18 hp/lb (0.31 KW/kg)
- Crew: One (for Ka-52: two)
- Length: 13.50 m (44 ft 3 in)
- Rotor diameter: 2x 14.50 m (2x 47 ft 7 in)
- Height: 5.4 m (17 ft 9 in)
- Disc area: 330.3 m² (3,555 ft²)
- Empty weight: 7,800 kg (17,200 lb)
- Loaded weight: 9,800 kg (21,600 lb)
- Max takeoff weight: 10,800 kg (23,810 lb)
- Powerplant: 2× Klimov TV3-117VK turboshafts, 1,660 kW (2,226 shp) each
- For Ka-52:
- Loaded weight: 10,400 kg (22,930 lb)
- Maximum speed: 390 km/h (204 knots, 242 mph) in dive
- Cruise speed: 270 km/h (146 knots, 168 mph)
- Range: 1,160 km (720 miles)
- Combat radius: 460 km (286 miles)
- Service ceiling: 5,500 m (18,000 ft)
- Rate of climb: 10 m/s (32.8 ft/s)
- Disc loading: 30 kg/m² (6 lb/ft²)
- Power/mass: 0.33 kW/kg (0.20 hp/lb)