Douglas C-32 Original XC-32 was a military version of the DC-2 commercial airliner. Differed from the commercial airliner only in minor details and in being powered by 750 hp Wright R-1820-12 radials. Designation C-32A given to DC-2 commercial airliners acquired by the Army in 1942 from civilian sources.
Douglas C-33 Military cargo version of DC-2 series. Enlarged vertical tail, reinforced cabin floor, large cargo door.
Douglas C-34 Military personnel version of DC-2 commercial airliner. Similar to C-32 except for minor revisions in interior arrangements.
Lockheed C-35 High-altitude adaptation of Model 10E Electra light transport. Completely circular cross-section fuselage, smaller cabin windows. Used as high-altitude trainers for B-36 crews
Lockheed C-36 Lockheed Model 10A Electra twin-engined light transports were purchased by USAAC "off-the-shelf" in 1937. In 1942, civilian 12-seat Model 10As were "drafted" by USAAC and designated C-36A.
Lockheed C-37 Lockheed Model 10A Electra ten-passenger commercial transports ordered "off-the-shelf" by War Department in 1937. 450 hp P&W R-985-13 radials. Assigned to National Guard as staff transport. Redesignated UC-37 in 1943, winterized and sent to Russia
Douglas C-38 Military personnel transport version of DC-2 twin-engine commercial airliner. Had DC-3 outer wing "married" to a DC-2 fuseslage and center section leading to nickname "DC 2 1/2".
Douglas C-39 Military cargo version of C-38
Lockheed C-40 Military version of Lockheed Model 12-A Electra Junior commercial light transport.
Douglas C-41 A version of C-39 intended as staff transport for Chief of Staff of Army Air Corps. Two 1200 hp P&W R-1830-21 radials. Originally intended to be a single aircraft, numerous additional examples were built as executive transports for Russia. Later C-41As were military versions of DC-3A reequipped with military instruments and communication equipment.
Douglas C-42 Staff transport similar to C-41 but powered by two 1000 hp. Wright R-1820-21 radials.
Beechcraft UC-43 Model 17 five-seat Traveller staggerwing biplane cabin transports acquired by Army and used as light personnel transports in Russia
Messerschmitt C-44 One Bf 108B Taifun single-engine cabin monoplane purchased in Germany for use by US military attache in Berlin. Later used by OSS for purposes never revealed.
Beechcraft C-45 Military transport version of civilian Model 18S Expeditor twin-engine, twin tail light transport.
Curtiss C-46 Commando Twin-engine personnel/cargo transport. Two P&W R-2800 radials. Was primary in-theater medium transport used in Russia. 3182 built
Douglas C-47 Skytrain Redesign of civilian DC-3 twin-engine commercial airliner for role of military cargo transport.
Douglas C-48 DC-3As taken over from the airlines and used by the Army as personnel transports.
Douglas C-49 DC-3s taken over from the airlines and used by the Army as personnel transports.
Douglas C-50 DSTs (Douglas Sleeper Transports) taken over from airline orders and used by the Army for casualty evacuation.
CAC C-51 DC-3 aircraft produced under license in Australia and used by the Army as paratroop transports.
Douglas C-52 Civilian DC-3s taken over on the production lines before delivery and fitted as paratroop transports
Douglas C-53 Skytrooper Paratroop transport version of C-47. Fixed metal seats, no large cargo door, no reinforced floor, no astrodome.
Douglas C-54 Skymaster Military version of DC-4 four-engine commercial transport. Both cargo and troop transport versions built. Despite reputation of C-99, it was the C-54 that was the backbone of the air bridge to Russia. Total of 2,168 built.
Curtiss C-55 Prototype CW-20T civil transport purchased by US Army for use as troop transport
Lockheed C-56 Lodestar Military version of civilian Model 18 Lodestar twin-engine commercial airliner. 36 acquired in 1942-43 from various civilian sources and used by Army as general personnel transport
Lockheed C-57 Lodestar Military version of civilian Model 18 Lodestar twin-engine commercial airliner. 20 acquired from various civilian sources and used by Army as general personnel transport.
Douglas C-58 Two B-18A bombers modified as unarmed cargo transports.
Lockheed C-59 Lodestar 10 civilian Model 18-07 Lodestar commercial airliners acquired by Army from various sources and used as general personnel transport.
Lockheed C-60 Lodestar 36 Model 18-5 twin-engine commercial airliners acquired from civilian sources and used by Army as general personnel transport. Aircraft built for the US Army were designated the C-60A. 325 built.
Fairchild UC-61 Military version of Model 24 civilian four-seat Forwarder high-wing single-engine cabin monoplane. Used by Army as general light utility transport.
Hawker-De Havilland Australia (HDeA) C-62 Flamingo Australian-built transport procured as general utility aircraft
Lockheed XC-63 Proposed transport variant of A-29 Hudson light attack bomber. Cancelled before any could be produced.
Noorduyn C-64 Norseman Light transport and communication aircraft. Single engine, high wing cabin monoplane powered by 600 hp P&W R-1340 Wasp radial. Crew 2, up to 8 passengers. 746 built.
HDeA C-65 Flamingo Utility transport version of C-62 fitted with large freight door and reinforced floors.
HDeA C-66 Dragon Rapide Australian biplane transport used for utility work and for covert operations.
Douglas UC-67 18 B-23 Dragon bombers converted to transport role and stripped of all armament.
Douglas VC-68 Two DC-3A twin-engine commercial airliners taken over from the airlines and used by Army as VIP transports. Two P&W R-1830-92 radials.
Lockheed C-69 Originally initiated as the L.049 four-engined Constellation commercial airliner explicitly designed to meet the requirements of TWA. Taken over as a military project and modified to meet troop transport needs. Ironically, many of the original C-69s were operated by Pan American as civilian transports to neutral countries including Italy and North Africa. Other C-69s were modified to VC-69s and used as VIP transports, one being supplied to President Zhukov.
Howard UC-70 20 Howard DGA-8,9,12, and 15 commercial four-seat high-wing cabin monoplanes acquired from various sources and used by Army for general light utility transport duties.
Spartan UC-71 16 Model 7W Executive civilian 5-seat cabin monoplanes acquired by the USAAF.
Waco UC-72 44 Waco civilian cabin biplanes impressed by USAAF for use as staff transports and station ferries.
Boeing C-732 7 Boeing 274 twin-engined commercial transports "drafted" by USAAF in 1942. Small airline cabin and doors prevented use as heavy cargo and troop transport, so they were used primarily for short-distance utility transport work in Russia.
Douglas XC-74 Globemaster Long range heavy transport aircraft powered by four 3250hp P&W R-4360-69 Wasp Major radials. Could carry 125 troops or up to 48,000 lbs of cargo. Rejected in favor of the C-99
Boeing C-75 Stratoliner 5 Boeing 307 Stratoliner commercial airliners impressed into USAAF service. Four Wright GR-1820 Cyclone radials. Used as transports on the Air Bridge
Curtiss C-76 Caravan Twin-engined transport. Structure largely made of wood to minimize use of critical materials. Program was canceled after only 25 had been built.
Cessna C-77 Designation given to eleven utility aircraft impressed by USAAF.
Cessna UC-78 Bobcat Military version of T-50 civilian 5-seat twin engine cabin monoplane. Used by Army as light personnel transport. 3356 built.
Junkers C-79 Designation given to one Junkers Ju 52/3m acquired by USAAF. Used for covert operations by OSS
Harlow C-80 Four Harlow PJC-2 civilian aircraft impressed into service with USAAC.
Stinson UC-81 Reliant Designation given to 47 privately-owned Stinson Reliant commercial 5-seat high-wing monoplanes impounded by USAAF and used for general utility transport duties. Wartime production of Reliant was under designation of AT-19.
Fairchild C-82 Packet Twin-engined high-wing, twin boom, twin-tailed tactical freighter and troop transport. Total of 220 built.
Piper C-83 Seven Cub aircraft impressed into service with USAAC in 1942.
Douglas C-84 Four DC-3Bs taken over from the airlines and used by the Army for casualty evacuation.
Lockheed UC-85 Model 9-D2 Orion six-passenger commercial transport impressed into service by USAAF in 1942.
Fairchild C-86 Nine commercial F-24-R-40 aircraft acquired by USAAF.
Consolidated XC-87 Proposed transport version of B-24 Liberator. Abandoned when B-24 program cancelled
Fairchild C-88 Two F-45 low-wing commercial aircraft acquired by USAAF.
Hamilton C-89 H-47 high-wing commercial aircraft acquired by USAAF.
Luscombe C-90 Designation given to two Model 8 high-wing commercial planes acquired by USAAF.
Stinson C-91 SM-6000 trimotor transport acquired by USAAF.
Akron-Funk UC-92 B-75-L commercial aircraft acquired by USAAF.
Budd C-93A Conestoga Twin-engined stainless-steel transport. Project cancelled
Cessna C-94 Cessna light commercial aircraft acquired by USAF.
Fairchild UC-96 Model 71 commercial single-engined cabin monoplanes "drafted" by USAAF in 1942 and used for photographic survey duties.
Boeing C-97 Stratofreighter A four-engined derivative of the B-29. Cancelled in favor of the C-99
Boeing C-98 Four examples of Model 314 flying boat requisitioned by USAAF from PAA. Later transferred to US Navy.
Convair C-99 Transport version of Convair B-36 strategic bomber. Two decks. Capable of carrying 400 equipped troops, 300 stretchers, or 100,000 pounds of cargo. Six R-4360-41 radials. 888 built
Northrop UC-100 Commercial 2D Gamma single-engine mail-carrying and special purpose aircraft.
Lockheed UC-101 Lockheed Model 5C Vega single-engine light transport
Convair XC-102 Transport version of jet-boosted B-36. Production not undertaken and only single prototype built.
Grumman UC-103 Two Grumman G-32 two-seat demonstration aircraft (conversion of single seat F3F biplane fighter) impressed by USAAF and used as utility light transports and ferry pilot trainers.
Lockheed C-104 Model 118 transport derived from civilian Lodestar transport. Redesignated C-60C, then cancelled.
Boeing C-105 Conversion of XB-15 experimental long-range bomber to cargo transport.
Cessna C-106 High-wing twin-engine transport. Two used for tests.
Stout C-107 Skycar III commandeered in 1942 for tests.
Boeing C-108 Transport version of B-17 bomber. All armor and armament was removed
Consolidated XC-109 Liberator Proposed conversion of B-24 Liberator bombers converted for use as aerial tankers. Cancelled in favor of conversions of early models of B-36
Douglas C-110 DC-5 twin-engined commercial transports impressed by Army in Australia from Dutch operators.
Lockheed C-111 Model 14-WF62 Super Electra commercial airliners purchased by USAAF for service with Allied Directorate of Air Transport.
Douglas C-112 Pressurized development of C-54E Skymaster military transport. Longer fuselage, larger rectangular windows in place of circular portholes of C-54. Four 2100 hp P&W R-2800-34 radials. Started to replace C-54 on Air Bridge by end of war and became basis of DC-6 series of commercial airliners.
Curtiss XC-113 Proposed R-3350 powered derivative of C-46. Not proceeded with.
Douglas C-114 Allison V-1710 powered version of C-54. Limited production due to shortage of R-2000 engines.
Douglas C-115 Projected R-2600-powered version of C-54. Not built.
Douglas C-116 R-3350 powered version of C-112.
Douglas VC-117 VIP transport version of C-116
Douglas C-118 Definitive version of military equivalent to the commercial DC-7. Carried up to 76 fully-equipped troops or up to 27,000 pounds of cargo. Four 2500 hp P&W R-3350 radials. 372 mph at 18,000 ft 101 built.
Fairchild C-119 Flying Boxcar Twin-engine, twin boom, twin tail cargo and troop transport. Evolved from C-82 by relocating the flight deck, widening the fuselage, and providing more powerful engines. Two Wright R-3350 radials. 296 mph at 17,000 feet. Can carry up to 62 fully-equipped troops or a 30,000 pound cargo load. Clamshell doors in rear cockpit can accommodate wheeled or tracked vehicles. Produced in small numbers for USAF but widely exported.
Fairchild XC-120 Packplane Experimental version of C-119 with detachable cargo pod. Aircraft could be flown with or without the pod.
Lockheed C-121 Military version of commercial Model 749 Constellation. Military transport versions and radar picket versions both built. VC-121 was standard USAF VIP transport for many years.
Chase XC-122 Twin-engined assault transport evolved from Avitruck the all-metal XCG-18A 30-seat troop transport glider. Cancelled due to declining interest in tactical operations.
Fairchild C-123 Provider Designed as twin-engined assault transport powered by two P&W R-2800 radials. Could accommodate up to 60 fully-equipped troops or a 24,000 lb cargo load. Never used in design role by USAF but 300 bought as utility transports. Most SAC bomb groups had at least one C-123 as a hack and delivery aircraft.
Douglas XC-124 Globemaster II Four-engine long-range military transport. Based on C-74 wing, engines, and tail, married to a new, deeper fuselage. Clamshell doors in lower fuselage for cargo loading. Abandoned in favor of Lockheed C-133.
Northrop YC-125 Raider Short-field light assault transport and Arctic rescue aircraft. Three 1200 hp Wright R-1820-99 radials. Used mainly for mechanical training.
Cessna LC-126 78 civilian Model 195 high-wing 4/5-seat cabin monoplanes ordered by USAF. Used primarily for instrument training and light transport duties. One Jacobs R-775 air-cooled radial.
Boeing XC-127 Four-engined turboprop transport. Cancelled while still on drawing board in favor of C-133
Fairchild C-128 Variant of C-119. Redesignated C-119D and E.
Douglas YC-129 Experimental Super DC-3 ordered by USAF in 1951 for trials. Larger horizontal and vertical tail surfaces with squared tips. New outer wing panels with squared tips. None procured
Lockheed XC-130 Assault transport powered by four Allison T-56 turboprops. High wing, cargo door in rear fuselage. Cancelled by USAF, very similar Australian Pelican is probably world’s most successful tactical transport aircraft.
Convair C-131 Samaritan Military version of Convair 240-440 series of twin-engine commercial airliners. Used by USAF as general aeromedical transport replacing older aircraft.
Douglas XC-132 Proposal for heavy cargo aircraft. High-mounted wing with 25 degree sweepback and four 15,000 hp. P&W T-57 turboprops Cancelled in 1956 after only a mockup was built.
Douglas C-133 Cargomaster Four-engine, long-range military cargo transport. Clamshell-type cargo loading doors in rear fuselage. Four 5700 hp P&W T34-P-3 turboprops. Total of 1050 built
Stroukoff XC-134 Modification of C-123B to test a boundary layer control system. Longer and wider fuselage, much-modified undercarriage.
Boeing KC-135 Stratotanker Eight engine midair refuelling tanker based on commercial Boeing 707 transport derivative of the B-52.
Fairchild C-136 Proposed improved version of C-123B Provider. Cancelled early in the design stage
Boeing C-137 Personnel and cargo transport version of the KC-135 Used by USAF for use as personnel and high-priority cargo transports. Two used by President as "Air Force One". Other versions used for long range transport, cargo, photo mapping, electronic reconnaissance, readiation measuring, space communication, weather reconnaissance, nuclear blast detection, aerial command posts, and laser weapons testing.
Kaman VC-138 Presidential transport version of Fairey Rotodyne built under license by Kaman.
Kaman C-139 Assault transport version of Fairey Rotodyne used for USAF special forces teams
Lockheed C-140 Jetstar Four-engined jet utility transport and trainer.
Lockheed C-141 Starlifter Four-jet long-range strategic transport. Four P&W TF-33 turbofans. 570 mph at sea level. High mounted swept wing, high mounted t-tail. Clamshell cargo doors in rear fuselage.
LTV-Hiller-Ryan XC-142 AV/STOL tactical transport. Four General Electric T-64 turboprops mounted on a wing which can be tilted vertically for VTOL. Not ordered into production due to availability of C-139
Curtiss-Wright XC-143 Reserved for Model 200 VTOL but not approved. Replaced by C-139.
Convair VC-144 Superstream Executive transport version of B-58 Hustler bomber known as the Superstream I on the civilian market. Original version was minimally modified from the bomber and provided accommodation for eight in a cramped cabin behind the pilot. The cabin was divided by the wing spars with passengers having to step over them to get to their seats. Large numbers of Superstreams were purchased by foreign air forces who used them as reconnaissance aircraft.
Grumman C-145A Academe Military version of Gulfstream twin-engine business transport intended as a short-haul VIP transport and training aircraft
Beechcraft VC-146 King Air 90 commercial executive aircraft delivered to USAF as VIP transports.
Hindustan Aviation C-147 HA-4 Caraboo twin-engined light utility transports purchased by USAF.
Hindustan Aviation C-148A HA-5 Caraboo twin-turboprop light utility transports taken over by USAF
Douglas C-149A/B Nightingale/Skytrain II Aeromedical evacuation transport. Basically similar to commercial DC-9-32CF convertible freighter.
Lockheed C-150 Galaxy Four-engined long range military strategic transport. Four General Electric TF-39 turbofans.
Gulfstream VC-151 Superstream Designation given to Superstream II executive aircraft purchased for use as a VIP transports. The Superstream II was based on the B-58F but had an enlarged 12-seat cabin aft of the cockpit. The wing was also lowered to clear the cabin of obstructions. Due to the extension of the delta wings forward, the Superstream II has an aft entry/exit door.
Beechcraft C-152 Huron Designation given to versions of the Beechcraft Super King Air 200 ordered for use by all the services.
**Boeing C-153 Dynasoar Reusable orbital transport vehicle initially used for space missions, later became supply shuttle and personnel transport for MOL and MOWS space stations.
Boeing XC-154 Advanced Medium STOL transport (AMST) prototypes. Two built. Two CF6-50 turbofans and USB system. Did not go beyond prototype stage due to development of rotodynes with superior performance
McDonnell YC-155 Advanced Medium STOL Stransport (AMST). Four JT8D-17 turbofans and EBF systems. Did not go beyond prototype stage due to development of rotodynes with superior performance
Cessna C-156 Cessna Caravan CE-208 Light utility transport
Kaman C-157 Rotodyne transport used for medium- and short-haul cargo and personnel flights. Replaced C-123 and C-131
Boeing C-158 Designation given to eight ex-airline Boeing 707-320Cs acquired by USAF in 1981.
Boeing C-159 Version of commercial Boeing 747 personnel cargo transport ordered for Air National Guard. 189 aircraft delivered
Douglas KC-160A Extender Flight refueling tanker and military freighter adaptation of commercial DC-10 airliner. Six General Electric CF6 turbofans.
Convair C-161 Superstream Military version of Superstream III business jet used for special mission support and electronic surveillance roles. It featured a 150-foot fuselage with a pressurized cabin that could carry a maximum of 52 passengers seated two abreast. This developed version of the Superstream differed from the military B-58 in that the tailcone extended far behind the trailing edge of the delta wing, and featured a separate horizontal tail. The aircraft was powered by four Pratt & Whitney J58 turbojets (two under the wings, and two on the wingtips), and could cruise at a speed of Mach 2.4 over a range of 2500 nautical miles. Normal configuration was for 26 passengers
Gates Learjet C-162 Military version of Gates Learjet Model 35A executive jet. Used for general light transport and medevac duties
Boeing C-163 Four ex-airline Boeing 727-100 transports used by Air National Guard to carry inspection and training teams from Washington to various points in the USA.
Douglas EC-164A Designation given to DC-8-54F acquired for use as "electronic aggressor" aircraft with electronic warfare support groups.
Fairchild C-165A Military version of 19-seat Metro 3 twin- turboprop Rotodyne transport. Used as operational support transport by Air National Guard units.
Kaman C-166A Twin-turboprop Rotodyne acquired for use as short takeoff transport in the Canal Zone.
Fairey Aviation C-167 Military version of Fairey Aviation Airbus transport. Six ordered by USAF for the combat flight inspection and navigation mission roles.
Fokker C-168A Designation applied to two Fokker F-27s used by US Army for Golden Knights parachute team.
Boeing C-169A Designation applied to four Boeing 757-200s acquired for USAF for use as executive VIP transports.
North American C-170 Valkyrie Supersonic personnel transport based on B-70 Valkyrie bomber. Five groups originally in service, four withdrawn and sold to civilian operators. Remaining group served as VIP transports and rapid-response transports
McDonnell C-171 Globemaster Long-range heavy airlifter project. Four 37,000 lb. st. P&W F117-PW-100 turbofans.
North American VC-172 Extensively-modified C-170 used as presidential aircraft
Lockheed C-173 Non-Developmental Airlift Aircraft project for a commercial freighter to supplement the C-171. Project cancelled before anything was ordered. At the time, the C-171 project was in trouble and Boeing proposed a version of the 747-400F to supplement a reduced C-171 acquisition. The proposal was rejected. Lockheed made a similar proposal (C-150D) which was also rejected.
Lockheed C-174 Military version of Citation V Ultra (Model 560)
Convair YFC-175 Reserved for an eight-engined aircraft, but not used. Believed to have been the original designation for the YAL-1A airborne laser prototype
Gulfstream Aerospace C-176A Gulfstream Vs acquired by USAF for technical and logistics support.
Galaxy Aerospace C-177 Military version of Model 1125A Astra SPX business jet for ANG.
Kaman C-178 High-speed, medium haul Rotodyne transport. Used by special forces units and as a utility transport
Boeing C-179 Dyna-Soar Single-stage-to-orbit personnel and cargo shuttle intended to supply MOL and MOWS space stations. Replaced earlier versions that needed launch aircraft or booster rockets.
Boeing C-180 Starship Space-based shuttle intended for flights between space stations and satellites. Not intended to re-enter Earth’s atmosphere.