Grumman C-1 Trader

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C-1 Trader
Grumman C-1 flying side view.jpg
A C-1A Trader from Naval Air Station, Willow Grove, Pennsylvania in 1987
Role Transport
Manufacturer Grumman
First flight 4 December 1952
Retired 1988
Primary user United States Navy
Number built 87
Developed from Grumman S-2 Tracker
Developed into Grumman E-1 Tracer

The Grumman C-1 Trader is a carrier onboard delivery (COD) variant of the Grumman S-2 Tracker. It was replaced by a similar version of the Northrop Grumman E-2 Hawkeye, the Grumman C-2 Greyhound.

Design and development[edit]

The C-1 Trader grew out of a need by the United States Navy for a new anti-submarine airplane. In response to this Grumman began development on a prototype twin-engine, high-wing aircraft which it designated the G-89. In 1952 the Navy designated this aircraft the XS2F-1 and flew it for the first time on December 4 that year. During the rest of the 1950s three major variants emerged, the C-1 Trader being one of them. The C-1 (originally the TF-1) was outfitted to carry nine passengers or 3,500 pounds (1,600 kg) of cargo and first flew in January 1955.

Operational history[edit]

Throughout the 1960s and 1970s the C-1 Trader carried mail and supplies to aircraft carriers on station in the Pacific Ocean during the Vietnam War and also served as a trainer for all-weather carrier operations. Over its production life 87 C-1 Traders were built, of which four were converted into EC-1A Tracer electronic countermeasures aircraft.[1] The last C-1 was retired from USN service in 1988; it was the last radial-engine aircraft in U.S military service. As of 2010, approximately ten were still airworthy in civil hands, operating as warbirds.[citation needed]

In August 2010, Brazilian Naval Aviation announced that it will buy and modernize eight C-1 airframes to serve in carrier onboard delivery (COD) and aerial refueling roles for use on its aircraft carrier São Paulo.[2]

In 2011 contract was signed with Marsh Aviation to convert four ex-US Navy C-1A Trader airframes into KC-2 Turbo Traders.[3] The first KC-2 prototype flight is expected for November 2017 and the delivery of the first operational aircraft is scheduled for December 2018.


Grumman C-1 at Willow Grove
C-1A onboard USS Coral Sea
Carrier Onboard Delivery version of the S-2 Tracker with enlarged fuselage for nine passengers, redesignated C-1A in 1962, 87 built.
Electronic Countermeasures conversion of the TF-1, redesignated EC-1A in 1962, four conversions.
Airborne Early Warning project that was developed in the WF-2 Tracer.
TF-1 redesignated in 1962.
TF-1Q redesignated in 1962.
KC-2 Turbo Trader
Marsh Aviation modernization project for Air-to-Air Refueling, requested for the Brazilian Navy.[4]


 United States

Preserved aircraft[edit]

On display


General characteristics


See also[edit]

Related development
Aircraft of comparable role, configuration and era


  1. ^ Donald, David; Daniel J. March (2001). Carrier Aviation Air Power Directory. Norwalk, CT: AIRtime Publishing. ISBN 1-880588-43-9.  Cite uses deprecated parameter |coauthors= (help)
  2. ^ Brazilian navy buys Traders
  3. ^
  4. ^ "Brazilian Traders set for modernisation" Fight Global, 14 Dec 2011 Retrieved: 23 December 2011
  5. ^ "FAA Registry/N71456." Retrieved: 27 April 2016.
  6. ^ "FAA Registry/N6193Z." Retrieved: 27 April 2016.
  7. ^ "FAA Registry/N6193N." Retrieved: 27 April 2016.
  8. ^ "FAA Registry/N778SR." Retrieved: 27 April 2016.
  9. ^ "FAA Registry/136781." Retrieved: 27 April 2016.
  10. ^ "Grumman C-1A Trader/136781." Pacific Coast Air Museum. Retrieved: 27 April 2016.
  11. ^ "FAA Registry/N189G." Retrieved: 27 April 2016.
  12. ^ "FAA Registry/N7171M." Retrieved: 27 April 2016.
  13. ^ "FAA Registry/N81389." Retrieved: 27 April 2016.
  14. ^ "FAA Registry/N81193." Retrieved: 27 April 2016.
  15. ^ "Grumman C-1A Trader/136754." National Naval Aviation Museum. Retrieved: 27 April 2016.
  16. ^ "Grumman C-1A Trader/136790." Grissom Air Museum. Retrieved: 27 April 2016.
  17. ^ "Grumman C-1A Trader/136792." Quonset Air Museum. Retrieved: 27 April 2016.
  18. ^ "Grumman C-1A Trader/146034." Wings of Freedom Museum. Retrieved: 27 April 2016.
  19. ^ "Grumman C-1A Trader/146034." USS Midway Museum. Retrieved: 27 April 2016.
  20. ^ "Grumman C-1A Trader/146045." Retrieved: 27 April 2016.

External links[edit]

Media related to Grumman C-1 Trader at Wikimedia Commons