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Grumman C-1 Trader


Requiring a transport able to support aircraft carriers at sea with high-priority freight and personnel, the US Navy contracted with Grumman for a derivative of its S2F (later S-2) Tracker carrierborne anti-submarine plane for the COD (Carrier Onboard Delivery) role in succession to considerably more limited types such as the 12-passenger version of the Douglas AD-5 Skyraider. The G-96 design was based closely on the S2F with its fuselage remodelled for the transport role, and as such was fully compatible with 52F support equipment on board American carriers. The type appeared in 1955 as the TF-l Trader, and 87 aircraft were produced. In 1962 these were redesignated C-1A, and the machines were eventually supplemented and finally supplanted by the same company’s C-2A Greyhound.

Principal versions -TF-l (COD plane later redesignated C-1A) and TF-1Q (four aircraft modified for electronic countermeasures training, later redesignated EC-1A). Generally one C-lA Trader was permanently attached to each American carrier, and others were allocated at strategically placed naval air stations to support carriers operating round the USA, Europe, and the Far East.

The C-1A is run with a three-man crew. All seats in the cabin face the rear, and the accommodations are far from plush. Double-strap shoulder harnesses are standard. The C-1A is a relatively slow airplane - indicating 150 knot cruise. The C-1A can make a deck-run takeoff, but the catapult is preferable, because after a deck run the airplane goes off the end below its engine-out minimum control speed. The C-1A leaves the cat at 112 knots, the best single-engine rate-of-climb speed with one-third flaps.

C-lA Trader
Two/three-crew carrier onboard delivery plane.
Engines: 2 x 1,525-hp (1,137-kW) Wright R-l820-82 Cyclone radial.
Maximum speed 290 mph (467 km/h) at 4,500 ft (1,370 m)
Initial climb rate about 1,800 ft (549 m) per minute
Service ceiling 22,000 ft (6,705 m)
Range about 800 miles (1,288 km)
MTOW: 27,000 lb (12,247 kg).
Wing span 72 ft 7 in (22.12 m)
Length 43 ft 6 in (13.26 m)
Height 16 ft 7 in (5.05 m)
Wing area 499.0 sq ft (46.36 sq.m).
Payload: nine passengers or freight.

E-1B Tracer


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