DHC-3


	de Havilland DHC-3 Otter




	DESIGN PHILOSOPHY: STOL utility aircraft with a larger cabin and greater payload capability than the Beaver. As with the Beaver, the Otter is very versatile, operating on wheels, floats, amphibious gear, skis and wheel/skis. The main new concept introduced on the Otter was the full-span double-slotted flap (with the outboard trailing flaps also serving as ailerons).

		*DHC-3 Otter* *Production List ...*

PROPULSION
Engine:	P&W R1340 Wasp S1-H1(Reciprocating)
Brake Horsepower:	600
Propeller:	Hamilton Standard, 3-Bladed, Hydromatic
WEIGHTS
Basic Operational	4,431 lb
Maximum Takeoff	8,000 lb
Maximum Landing	8,000 lb
Wing Loading	21.3 lb/sq ft
PERFORMANCE
Power Loading	13.3 lb/bhp
Maximum Speed at Sea Level	153 mph
Maximum Permissible Dive Speed	192 mph
Maximum Cruise Speed at Sea Level	132 mph
Economical Cruise Speed at 5000 ft	138 mph
Stalling Speed	58 mph
Rate of Climb at Sea Level	735 ft/min
Service Ceiling	17,400 ft
Takeoff Run	630 ft
Takeoff Distance to 50 ft	1,155 ft
Landing Run	440 ft
Landing Distance from 50 ft	880 ft
Payload/Range (Normal Tanks, 45 Minutes Reserve):	200 miles / 2920 lb
	500 miles / 2580 lb
	875 miles / 2100 lb
EXTERNAL DIMENSIONS
Wing Span	58 ft 0 in
Length Overall	41 ft 10 in
Height over Tall	12 ft 7 in
Tailplane Span	21 ft 2 in
Wheel Track	11 ft 2 in
Wheel Base	27 ft 10 in
Wing Area	375.0 sq ft
Aileron Area	26.3 sq ft
Flap Area	98.0 sq ft
Fin Area	33.2 sq ft
Rudder Area (Incl. tab)	27.0 sq ft
Tailplane Area	39.0 sq ft
Elevator Area (Incl. tab)	46.0 sq ft
INTERNAL DIMENSIONS
Cabin Length	16 ft 5 in
Maximum Width	5 ft 2 in
Maximum Height	4 ft 11 in
Floor Area	79 sq ft
Volume	345 sq ft
Cabin Doors - Left	46.5 x 45 in
Cabin Doors - Right	30.0 x 45 in


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