Mil Mi-17 Mystery Cache

The Mil Mi-17 (NATO reporting name "Hip") is a Russian helicopter in production at two factories in Kazan and Ulan-Ude. It is known as the Mi-8M series in Russian service. It is a medium twin-turbine transport helicopter. There are also armed gunship versions.

General characteristics:

• Crew: Three – two pilots and one engineer
• Capacity: 30 troops or 12 stretchers or 4,000 kg (8,820 lb) cargo internally /5,000 kg (11,023 lb) externally slung.
• Length: 18.465 m (60 ft 7 in)
• Rotor diameter: 21.25 m (69 ft 10½ in)
• Height: 4.76 m (15 ft 7¼ in)
• Disc area: 356 m² (3,834 ft²)
• Empty weight: 7,489 kg (16,510 lb)
• Loaded weight: 11,100 kg (24,470 lb)
• Max. takeoff weight: 13,000 kg (28,660 lb)
• Powerplant: 2 × Klimov TV3-117VM turboshafts, 1,633 kW (2,190 shp) each

Performance:

• Maximum speed: 250 km/h (135 knots, 155 mph)
• Range: 465 km (251 nmi, 289 mi) (standard fuel)
• Service ceiling: 6,000 m (19,690 ft)
• Rate of climb: 8 m/s (1,575 ft/min)