Douglas DC-4 and Douglas DC-4 Retardant Tanker
The DC-4 airplane is a long-range, low wing monoplane with full cantilever wing and tail surfaces, semi-monocoque fuselage, and fully retractable tricycle-type landing gear. It is designed for use as a passenger and cargo commercial transport. The airplane can be safely operated by a pilot and co-pilot. Equipment to accommodate additional crewmembers, check pilot, radio operator, and navigator, may be added. The weight empty of the airplane is approximately 40, 800 lbs. (Actual weight is dependent on the passenger equipment and fuselage interior requested by the operator). The airplane is powered by 4 Pratt & Whitney Twin Wasp, 14-cylinder, air cooled, radial engines. The 4 propellers are 3-blade-type Hamilton Standard Hydromatic with a 23E50 hub and 6507A-0 blades.
Currently Buffalo Airways has eight DC-4’s in its fleet, with five
configured with retardant tanks for fire fighting.
for the military, took flight and started the age of the four-engine
transports. Over 1,100 were eventually
From transporting crews and equipment in the military, to taking passengers and freight to destinations around the world, the DC-4 has more than served its purpose. This four-engine Douglas still hauls 50 passengers or 20, 000 lbs. of freight to many destinations, and it has even taken on some more interesting roles. From being fitted with spray booms for spraying against destructive insects, to adopting an external tank under the belly for use in dispersing 20, 000 lbs of retardant on forest fires, the DC-4 has done it all. And just like the title says, “Nothing beats the sound of a four-engine Douglas”. These engines, developing 1450 hp each at take-off, create a wonderful rumble on the take-off roll, and yet they purr away quietly with the airplane in cruise, allowing passengers to fall asleep to the gentle drone.
Buffalo Airways, in keeping with its fleet of heavy piston-engine
transports, has kept the four company-owned DC-4’s working in various roles.
Six of these aircraft can be found flying freight from Yellowknife to
various destinations in Canada. The other five DC-4’s have returned
to service as DC-4 Water Bombers, providing the delivery of retardant
to forest fires in the N.W.T.
PERIOD: First saw service in 1941. This basic model was modified to become the military variant C-54 Skymaster, which had large cargo handling doors and first flew in 1942.
COUNTRY OF ORIGIN: United States of America
Four Pratt & Whitney
Twin Wasp S34C-G air cooled radials, 14-cylinder, air-cooled, radial
engines. The 4 propellers are 3-blade-type
Hamilton Standard Hydromatic with a 23E50 hub and 6507A-0 blades.
Type II Tankers
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