Piasecki 16H Pathfinder
The Piasecki 16H was a series of compound helicopters produced in the 1960s. The first version of the Pathfinder, the -1 version, first flew in 1962. The similar but larger Pathfinder II, the 16H-1A, was completed in 1965.
|Piasecki 16H-1 Pathfinder|
|Role||Experimental high-speed helicopter|
|First flight||21 February 1962 (16H-1) |
15 November 1965 (16H-1A)
|Primary user||United States Army|
- Model 16H-1 Pathfinder
- one PWC PT6B-2 with one 405 shp turboshaft engine
- Model 16H-1A Pathfinder II
- larger version with one 1,250 shp (930 kW) T58-GE-8
- Model 16H-1C Pathfinder III
- proposed conversion of the 16H-1A with one 1,500 shp (1,100 kW) T58-GE-5 
- Model 16H-3J
- nine-seat development, not built.
Data from U.S. Army Aircraft Since 1947
- Crew: two pilots
- Capacity: up to six passengers
- Length: 37 ft 3 in (11.4 m)
- Wingspan: 32 ft 10 in (10.0 m)
- Main rotor diameter: 44 ft 0 in (13.4 m)
- Height: 11 ft 4 in (3,45 m)
- Empty weight: 4,800 lb (2,165 kg)
- Gross weight: 10,800 lb (4,870 kg)
- Powerplant: 1 × General Electric T58-GE-8 turboshaft, 1,250 hp (930 kW)
- Maximum speed: 230 mph (370 km/h)
- Cruise speed: 175 mph (280 km/h)
- Range: 950 miles (1,530 km)
- Service ceiling: 18,700 ft (5,700 m)
Aircraft of comparable role, configuration and era
- Robb 2006, pp. 42-43
- Note: While some sources read as if this variant was completed and flown, Piasecki Aircraft's history site makes no mention of this variant at all.
- Harding, Stephen. U.S. Army Aircraft Since 1947. 1997. Atglen, PA: Schiffer Publishing Ltd. LCCN 96-69996.
- Robb, Raymond L. "Hybrid helicopters: Compounding the quest for speed", Vertiflite. Summer 2006. American Helicopter Society.