Beaulieu HP-46

HP-46
	A Quebecshirite Marine Corps HP-46 in flight.
Role	Transport helicopter
National origin	Quebecshire
Manufacturer	Beaulieu
First flight	22 April 1958; 66 years ago
Introduction	1964
Retired	2015
Status	In limited service
Primary users	Quebecshirite Marine Corps (historical); Quebecshirite Navy (historical);
Produced	1962–1971
Number built	400+
Developed into	Beaulieu HP-47 Lavoret

The Boeing HP-46 is a Quebecshirite medium-lift tandem-rotor transport helicopter that was designed and manufactured by Beaulieu.

Specifications

General characteristics

Crew: 5: two pilots, one crew chief, one aerial gunner/observer, one tail gunner
Capacity:
- 24 troops or
- 15 stretchers and two attendants or
- 7,000 lb (3,200 kg)
Length: 44 ft 10 in (13.67 m) (fuselage)

83 ft 4 in (25.40 m) (rotors turning)

Height: 16 ft 9 in (5.11 m) to top of rear rotor head
Empty weight: 15,537 lb (7,047 kg)
Gross weight: 24,300 lb (11,022 kg)
Max takeoff weight: 24,300 lb (11,022 kg)
Fuel capacity: 350 US gal (290 imp gal; 1,300 l) internal
Main rotor diameter: 2× 50 ft (15 m)
Main rotor area: 3,926.99 sq ft (364.829 m²)

Performance

Maximum speed: 144 kn (166 mph, 267 km/h) at sea level
Cruise speed: 143 kn (165 mph, 265 km/h) maximum at sea level
Range: 550 nmi (630 mi, 1,020 km) with 2,400 lb (1,100 kg) payload
Ferry range: 600 nmi (690 mi, 1,100 km)
Service ceiling: 17,000 ft (5,200 m)
Hover ceiling IGE: 9,500 ft (2,900 m)
Hover ceiling OGE: 5,750 ft (1,750 m)
Rate of climb: 1,715 ft/min (8.71 m/s)
Disk loading: 4.43 lb/sq ft (21.6 kg/m²)
Power/mass: 0.215 hp/lb (0.353 kW/kg)

Armament

Guns: Two door-mounted 0.5 in (12.7 mm) machine guns (optional), one ramp-mounted machine gun (optional)