Grumman C-1 Trader

C-1 Trader
	A C-1A Trader from Naval Air Station, Willow Grove, Pennsylvania in 1987
Role	Transport
Manufacturer	Grumman
First flight	4 December 1952
Introduction	1952
Retired	1988
Primary user	United States Navy
Number built	83
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

The C-1 Trader grew out of a need by the United States Navy (USN) 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 USN 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

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 83 C-1 Traders were built, of which four were converted into EC-1A Tracer electronic countermeasures aircraft. The last C-1 was retired from USN service in 1988; approximately ten are still airworthy in civil hands, operated as warbirds.^{[citation needed]}

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

Variants

TF-1: Carrier Onboard Delivery version of the S-2 Tracker with enlarged fuselage for 9 passengers, redesignated C-1A in 1962, 87 built.
TF-1Q: Electronic Countermeasures conversion of the TF-1, redesignated EC-1A in 1962, four conversions.
TF-1W: Airborne Early Warning project that was developed in the WF-2 Tracer.
C-1A: TF-1 redesignated in 1962.
EC-1A: TF-1Q redesignated in 1962.
KC-2 Turbo Traders: Marsh Aviation modernization project for Air-to-Air Refueling, requested for the Brazilian Navy. ^[2]

Operators

United States

United States Navy

Brazil

Brazilian Navy

Preserved aircraft

C-1A C-1BuNo 136754 on static display at the National Museum of Naval Aviation, NAS Pensacola, Florida^[3]
C-1A BuNo 136790 on static display at the Grissom Air Museum, Grissom ARB (former Grissom AFB), Indiana^[4]
C-1A BuNo 136792 on static display at the Quonset Air Museum, (former NAS Quonset Point), North Kingston, Rhode Island. This aircraft was modified with the Grumman E-1 Tracer type radome assembly (but no radar) and twin tails and served (under the designation XTF-1W) as the aerodynamic prototype for the E-1. After testing, it reverted to the transport role, (as C-1A) with radome removed but retaining the twin tails. Throughout, this aircraft retained the S-2/C-1 upward folding wings, not the E-1 wing fold which were necessitated (by the radome atop the fuselage) to fold wings back along the sides of the fuselage.^[5].
C-1A Trader, BuNo 146034 on display at the Wings of Freedom Aviation Museum, former NAS Willow Grove, Horsham, PA^[6]
C-1A BuNo 146036 on display on the USS Midway Museum, San Diego, California,^[7]

Specifications

General characteristics

Crew: 2

Performance

References

^ Brazilian navy buys Traders
^ "Brazilian Traders set for modernisation" Fight Global, 14 Dec 2011 Retrieved: 23 December 2011
^ [1976.035.001] Aircraft - 'C-1A Trader'
^ http://www.grissomairmuseum.com/airexib/planes/C1ATrader.html
^ http://www.theqam.org/index.html
^ http://www.wingsoffreedommuseum.org/index.php?option=com_content&view=article&id=61:grumman-c-1a-qtraderq&catid=38:fixed-wing&Itemid=66
^ http://www.midwaysaircraft.org/acft/C1.htm

External links

[1] Brazilian navy buys Traders

[2] "Brazilian Traders set for modernisation" Fight Global, 14 Dec 2011 Retrieved: 23 December 2011

[3] [1976.035.001] Aircraft - 'C-1A Trader'

[4] ttp://www.grissomairmuseum.com/airexib/planes/C1ATrader.html

[5] ttp://www.theqam.org/index.html

[6] ttp://www.wingsoffreedommuseum.org/index.php?option=com_content&view=article&id=61:grumman-c-1a-qtraderq&catid=38:fixed-wing&Itemid=66

[7] ttp://www.midwaysaircraft.org/acft/C1.htm

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v t e United States military transport aircraft designations, Army/Air Force and Tri-Service systems
Army/Air Force sequence (1925–1962)	C-1 C-2 C-3 C-4 C-5 C-6 C-7 C-8 C-9 C-10 C-11 C-12 C-13¹ C-14 C-15 C-16 C-17 C-18 C-19 C-20 C-21 C-22 C-23 C-24 C-25 C-26 C-27 C-28 C-29 C-30 C-31 C-32 C-33 C-34 C-35 C-36 C-37 C-38 C-39 C-40 C-41 C-41A C-42 C-43 C-44 C-45 C-46 C-47 C-47F C-47T AC-47 C-48 C-49 C-50 C-51 C-52 C-53 C-54 C-55 C-56 C-57 C-58 C-59 C-60 C-61 C-62 C-63 C-64 C-65 C-66 C-67 C-68 C-69 C-70 C-70B C-71 C-72 C-73 C-74 C-75 C-76 C-77 C-77B–D C-78 C-79 C-80 C-81 C-82 C-83 C-83A C-83B C-84 C-85 C-86 C-87 C-88 C-89 C-90 C-91 C-92 C-93 C-94 C-95 C-96 C-97 KC-97 C-98 C-99 C-100 C-101 C-102 C-103 C-104 C-105 C-106 C-107 C-108 C-109 C-110 C-111 C-112 C-113 C-114 C-115 C-116 C-117 C-117D C-118 C-119 AC-119 C-120 C-121 C-121F EC-121 C-122 C-123 C-123A C-124 C-125 C-126 C-127² C-127 (I) C-127 (II) C-128 C-129 C-130 C-130J AC-130 DC-130 EC-130/H HC-130 KC-130 LC-130 MC-130 WC-130 C-131 NC-131H C-132 C-133 C-134 C-135 KC-135 C-136 C-137² YC-137 (I) YC-137 (II) C-137 C-138¹ C-139¹ C-140 C-141 C-142
Tri-service sequence (1962–present)	C-1 C-2 C-3 C-4 C-5 C-6 C-7² C-7 RC-7 C-8 C-9 C-10² C-10 KC-10 C-11 C-12 RC-12 C-13¹ C-14 C-15 C-16¹ C-17 C-18 C-19 C-20² C-20A–D C-20F–J C-21 C-22 C-23 C-24 C-25 C-26 C-27 C-27J C-28 C-29 C-30¹ C-31 C-32 C-33 C-34¹ C-35 C-36³ C-37 C-37B C-38 C-39¹ C-40 C-41 C-42¹ C-43¹ C-44¹ C-45 C-46
Revived original sequence (2005–present)	C-143 C-144 C-145 C-146 C-147
Non-sequential designations	C-767 C-767B C-880
Related designations	CT-39 CT-43 CV-2 CV-7
¹ Not assigned • ² Assigned to multiple types • ³ Unconfirmed

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