DHC-4 Caribou


1st Flight 1958

Crew: 2 + loadmaster

Capacity: 30 pax (civil) / 32 troops / 26 fully-equipped paratroops / 22 stretchers, 4 sitting patients and 4 attendants

Length: 72 ft 7 in (22.12 m)

Wingspan: 95 ft 7.5 in (29.147 m)

Height: 31 ft 9 in (9.68 m)

Wing area: 912 sq ft (84.7 m2)

Aspect ratio: 10

Airfoil: centre-section: NACA 643A417.5; tip: NACA 632A615

Basic operating weight: 18,260 lb (8,283 kg)

Maximum payload: 8,740 lb (3,964 kg)

Maximum zero fuel weight: 27,000 lb (12,247 kg)

Max takeoff weight: 28,500 lb (12,927 kg)

Maximum permissible weight for ferry missions: 31,300 lb (14,197 kg)

Maximum landing weight: 28,500 lb (12,927 kg)

Fuel capacity: 690 imp gal (830 US gal; 3,100 l)

Powerplant: 2 × Pratt & Whitney R-2000-7M2 Twin Wasp 14-cylinder air-cooled radial piston engines, 1,450 hp (1,080 kW) each

Propellers: 3-bladed Hamilton Standard type 43D50-7107A fully-feathering constant-speed reversible-pitch propellers


 Maximum speed: 187 kn (215 mph, 346 km/h) at 6,500 ft (1,981 m)

Cruise speed: 158 kn (182 mph, 293 km/h) at 7,500 ft (2,286 m) (maximum & econ)

Stall speed: 59 kn (68 mph, 109 km/h)

Never exceed speed: 208 kn (239 mph, 385 km/h)

Range: 1,136 nmi (1,307 mi, 2,104 km) with maximum fuel inc. 45minutes reserve

211 nmi (243 mi; 391 km) with maximum payoad inc. 45minutes reserve

Service ceiling: 24,800 ft (7,600 m)

Service ceiling on one engine: 8,800 ft (2,682 m)

Rate of climb: 1,355 ft/min (6.88 m/s)

Wing loading: 31.2 lb/sq ft (152 kg/m2) maximum

Power/mass: 0.102 hp/lb (0.168 kW/kg)


Blind flying instrumentation standard fit


The de Havilland Canada DHC-4 Caribou is a Canadian-designed and produced specialized cargo aircraft with short takeoff and landing (STOL) capability.

DHC-4 Caribou

STOL tactical transport, utility transport aircraft.


Royal Canadian Air Force designation for the DHC-4 Caribou.


This designation was given to five DHC-4 Caribou, sold to the United States Army for evaluation.


United States Army designation for the first production run of 56 DHC-4 Caribou. Later redesignated CV-2A in 1962.


United States Army AC-1 redesignated in 1962.


This designation was given to a second production run of 103 DHC-4 Caribou, which were sold to the U.S. Army, with reinforced internal ribbing.


These designations were applied to all 144 Caribou transferred to the U.S. Air Force by the U.S. Army.

DHC-4A Caribou

Similar to the DHC-4, but this version had an increased takeoff weight.

DHC-4T Turbo Caribou

A conversion of the baseline DHC-4 Caribou powered by the PWC PT6A-67T turboprop engines designed, test flown and certified by the Pen Turbo Aviation company.

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