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 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

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; 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.

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

Variants

Grumman C-1 at Willow Grove

C-1A onboard USS Coral Sea

TF-1: Carrier Onboard Delivery version of the S-2 Tracker with enlarged fuselage for nine 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 Trader: Marsh Aviation modernization project for Air-to-Air Refueling, requested for the Brazilian Navy.^[2]

Operators

United States

United States Navy

Brazil

Brazilian Naval Aviation

Preserved aircraft

C-1A C-1, BuNo 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 static display at the Wings of Freedom Aviation Museum, former NAS Willow Grove, Horsham, PA^[6]
C-1A, BuNo 146036, on static display on the USS Midway Museum, San Diego, California.^[7]
C-1A Trader, BuNo 136778, an airworthy example, based out of Eufaula, Alabama.^[8]^[9]
C-1A, BuNo 136781, is also an airworthy example, based at Pacific Coast Air Museum, Santa Rosa, California.

^[10]

C-1A, BuNo 146044, is another airworthy example, privately owned in Topeka, Kansas.

^[11] ^[12]

Specifications

General characteristics

Crew: two
Length: 42.2 ft (12.9 m)
Wingspan: 69.6 ft (21.2 m)
Height: 16.3 ft (4.9 m)
Empty weight: 18,750 lbs (8,504 kg)
Max. takeoff weight: 29,150 lbs (13,222 kg)
Powerplant: 2 × Wright R-1820-82WA Cyclone 9-cylinder radial piston engine, 1,525 hp (1,137 kW) each

Performance

Maximum speed: 287 mph (462 km/h)
Range: 1,300 miles (2,092 km)

References

External links

Media related to Grumman C-1 Trader at Wikimedia Commons

Grumman and Northrop Grumman aircraft

Manufacturer
designations

G-1 (floats only)
G-2 (floats only)
G-3
G-4
G-5
G-6
G-7
G-8
G-9
G-10
G-11
G-12
G-13
G-14
G-15
G-16
G-17
G-18
G-19
G-20
G-21
G-22
G-23
G-24
G-25
G-26
G-27
G-29
G-30
G-31
G-32
G-33
G-34
G-35
G-36
G-37
G-38
G-39
G-40
G-41
G-42
G-43
G-44
G-45
G-46
G-47
G-48
G-49
G-50
G-51
G-52
G-53
G-54
G-55
G-56
G-57
G-58
G-59
G-60
G-61
G-62
G-63
G-64
G-65
G-66
G-67
G-68
G-69
G-70
G-71
G-72
G-73
G-74
G-75
G-76
G-77
G-78
G-79
G-80
G-81
G-82
G-83
G-84
G-85
G-86
G-87
G-88
G-89
G-90
G-91
G-92
G-93
G-94
G-96
G-97
G-98
G-98J
G-99
G-100
G-101
G-102
G-103
G-104
G-105
G-106
G-107
G-108
G-109
G-110
G-111
G-112
G-113
G-114
G-115
G-116
G-117
G-118
G-119
G-120
G-121
G-122
G-123
G-124
G-125
G-126
G-127
G-128
G-134
G-159
G-164
G-191
G-231
G-234
G-251
G-262
G-303
G-426
G-712
G-1128
G-1159

By role

Piston fighters	FF F2F F3F F4F XF5F XP-50 F6F XP-65 F7F F8F

Jet fighters	F9F-1 to -5 F9F-6 to -8 F-9 XF10F F11F/F11F-1F F-11 G-118 F-111B F-14

Attack/Patrol	TBF XTSF TB2F AF S-2 A-6

Recon/Scouts	SF XSBF E-1 OV-1 EA-6 E-2

Utility/Transports	UC-103 JF J2F OA-12 JRF J3F OA-9 OA-13 OA-14/J4F U-16/JR2F/UF C-1 C-2

Civil aircraft	Mallard Ag Cat Kitten Tadpole Gulfstream I Gulfstream II

Others	Apollo Lunar Module EF-111 X-29 Q-8/C X-47A X-47B

By name

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/A C-42 C-43 C-44 C-45 C-46 C-47/T 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/A/B/C/D C-71 C-72 C-73 C-74 C-75 C-76 C-77/B-D C-78 C-79 C-80 C-81 C-82 C-83 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-118 C-119 C-120 C-121/F C-122 C-123/A C-124 C-125 C-126 C-127 (I) C-127 (II) C-128 C-129 C-130/J C-131 C-132 C-133 C-134 C-135/KC-135 C-136 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-7/B C-8 C-9 C-10 C-11 C-12 C-13¹ C-14 C-15 C-16¹ C-17 C-18 C-19 C-20A-D/F-H C-21 C-22 C-23 C-24 C-25 C-26 C-27/J C-28 C-29 C-30¹ C-31 C-32 C-33 C-34¹ C-35 C-36 C-37A/B 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

Non-sequential designations	C-767 C-880

¹ Not assigned See also: AC-47 • AC-119 • AC-130 • DC-130 • EC-130 • HC-130 • KC-130 • LC-130 • MC-130 • WC-130 • CT-39 • CT-43

USN/USMC trainer aircraft designations 1948–1962

Edo	TE

Grumman	TF

North American	TJ T2J T3J

Lockheed	TO

Temco	TT

Lockheed	TV-1 TV-2 T2V

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