de Havilland Canada DHC-4 Caribou

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

Variants

DHC-4 Caribou

STOL tactical transport, utility transport aircraft.

CC-108

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

YAC-1

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

AC-1

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

CV-2A

United States Army AC-1 redesignated in 1962.

CV-2B

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.

C-7A/B

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 take-off 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.

Specifications

Crew

2 + Loadmaster

Capacity

30 pax (civil) / 32 troops / 26 fully-equipped paratroopers / 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 take-off 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

Performance

 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 payload 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)

Avionics

Blind flying instrumentation standard fit.