This is a list of aircraft in alphabetical order beginning with 'Co' through to 'Cz'.

(Co-Z Development Co, Mesa, AZ)

• Cozy Mark III^[1]
• Cozy Mark IV^[1]
• CoZ Europe Cosy^[2]

(Henri Coandă)

• Coandă-1910
• Coandă-Delauney-Belleville pusher fighter^[3]
• Coandă No.4 (Coandă-Delauney-Belleville pusher fighter)

• Coates Swalesong S.A.I
• Coates Swalesong S.A.II
• Coates Swalesong S.A.III

(Coavio srl, Ferentino, Italy)

• Coavio DF 2000

(Cobalt Aircraft industries, Airparc 6C,Avenue de l'Europe, 78117 Toussous le-Noble)

• Cobalt Co50

(Cobra Aviation)

• Cobra Arrow^[4]

(Cockatoo Dockyard & Engineering Co)

• CoDock LJW-6^[5]

(C C Coddington & Magnum Webb, Charlotte, NC)

• Coddington & Webb 1910 aeroplane^[1]

• British Army Aeroplane No. 1
• Cody II
• Cody III
• Cody IV monoplane
• Cody V
• Cody Floatplane
• Cody Michelin Cup Biplane
• Cody Circuit of Britain biplane

(Altair Coelho)

• Coelho AC.1
• Super Rotor AC.4 Andorinha
• Coelho AC.11

(Frank Coffyn, Knoxville, TN)

• Coffyn 1910 Hydro-Aeroplane^[1]

((Sam H) Coffman-(C R) Strong Aircraft Co)

• Coffman 3-B^[1]
• Coffman A^[1]
• Coffman Air Coupe^[1]
• Coffman C-1 Racer^[1]
• Coffman Junior^[1]
• Coffman Monoplane Special^[1]
• Coffman-Ranger W^[1]

(Luigi Colani / Colani/Composite Engineering (CCE))

• Colani Cormoran
• Colani Pontresina^{[citation needed]}

(Milton Colden, Clintonville, WI)

• Colden C-1 Cyclops^[1] (a.k.a. MWP)

• Cole Parasol Monoplane^[1]

(Cole School of Aviation/Cole Aircraft Corp, 3617 Euclid Ave, Cleveland, OH)

• Cole Model 1^[1]
• Cole Sport^[1]
• Cole commercial^[1]

(Ross A Cole, Dallas, TX)

• Cole 1929 circular wing aircraft^[1]

(J Raymond Cole, Oklahoma City, OK)

• Cole 1933 monoplane^[1]

(L J Coleman, Sioux City, IA)

• Coleman Speed Scout^[1]

(1940:(Gilbert) Colgate-(Victor A) Larsen Aircraft Co, Amityville, NY)

• Colgate-Larsen CL-15^[1]

(Maurice Collard, Jacques Souquet & Jacques Raniéri)

• Collard-Souquet-Raniéri CSR.1 Tsé-Tsé^[2]

((William S) Collier Aircraft Sales, Tulsa, OK)

• Collier Ambassador Trainer^[1]
• Collier CA-1 Ambassador^[1]
• Collier T-21-1^[1]

((William S) Collier & (L A) Combs Aircraft Co, Ponca City, OK)

• Collier-Combs Commercial Cabin^[1]

(DeWitt Collins, Winthrop, IA)

• Collins Aerodyne^[1]
• Collins X-112 Aerofoil Boat^[1]

(Collins Radio Co, Marine Lab, Cedar Rapids, IL)

• Collins Special^[1]

(Collins Aero, Chadds Ford, PA)

• Collins Dipper
• Collins W-7 Dipper^[1]

• Collivier CO-02^{[citation needed]}
• Collivier CO-04^{[citation needed]}
• Collivier DR 100^{[citation needed]}

(Michel Colomban)

• Colomban MC-10 Cri-Cri
• Colomban MC-12 Cri-Cri
• Colomban MC-15 Cri-Cri
• Colomban MC-22 Cri-Cri^[2]
• Colomban MC-30 Luciole
• Colomban MC-100 Ban-Bi^[2][6]
• Colomban-Robin MCR4S

(1946: Colonial Aircraft Corp (Fdr: David B Thurston), Huntington Station, Long Island, NY, 1955: Moved to Sanford, ME (Pres: Herbert Lindblad), 1959: Acquired by Lake Aircraft Corp.)

• Colonial Skimmer

((Willis C) Brown-(Richard) Young a.k.a. Columbia Aircraft Co.)

• Columbia BY-1
• Columbia Sesquiplane
• Columbia Model 2

• Columbia 300
• Columbia 350
• Columbia 400

(Columbia Air Liners Inc (Fdr: Charles A Levine), Hempstead (Valley Stream), NY. Seen as a division of Grumman during WW2, but if this was fact, substantiation was not found. 1946: Acquired by Commonwealth Aircraft Corp.

• Columbia CAL-1 Triad^[1]
• Columbia Uncle Sam^[1]
• Grumman J2F Duck
• Columbia JL

(Colyaer SL, Portonovo, Spain)

• Colyaer Mascato S100
• Colyaer Martin3 S100
• Colyaer Gannet S100
• Colyaer Freedom S100

• Comac C919
• Comac C929
• Comac C939^{[citation needed]}
• Comac ARJ21
• Comac ARJ21-700
• Comac ARJ21-900

(Combs Aircraft Corp, Combs Field, Denver, CO)

• Combscraft 1939 monoplane^[1]

• Ikarus Sherpa^{[citation needed]}
• Ikarus C22^{[citation needed]}
• Ikarus C42
• Ikarus C52
• Ikarus 500^{[citation needed]}

(Command-Aire Inc / Arkansas Aircraft Company, Little Rock, AR)

• Command-Aire 3C3
• Command-Aire 4C3
• Command-Aire 5C3
• Command-Aire BS-14
• Command-Aire BS-15 (likely a typo as none of their sources mention a 15)^[1]
• Command-Aire BS-16
• Command-Aire Cotton Duster
• Command-Aire MR-1^[1]Little Rocket racer

(Commander Aircraft Co)

• Commander 112
• Commander 114
• Commander 115
• Commander Fanjet 1500

(Commercial Aircraft Corp, Metropolitan Airport, Van Nuys, CA)

• Commercial C-1 Sunbeam
• Commercial Sumbeam C-102
• Commercial Sunbeam C-2^[1]
• Commercial Sunbeam Pup LP-1^[1]

• CAC CA-1 Wirraway
• CAC CA-2 Wackett
• CAC CA-3 Wirraway
• CAC CA-4 Woomera
• CAC CA-5 Wirraway
• CAC CA-6 Wackett
• CAC CA-7 Wirraway
• CAC CA-8 Wirraway
• CAC CA-9 Wirraway
• CAC CA-10 Wirraway
• CAC CA-11 Woomera
• CAC CA-12 Boomerang
• CAC CA-13 Boomerang
• CAC CA-14 Boomerang
• CAC CA-15
• CAC CA-16 Wirraway
• CAC CA-17 Mustang
• CAC CA-18 Mustang
• CAC CA-19 Boomerang
• CAC CA-20 Wirraway
• CAC CA-22 Winjeel
• CAC CA-23
• CAC CA-24
• CAC CA-25 Winjeel
• CAC CA-26 Sabre
• CAC CA-27 Sabre
• CAC CA-28 Ceres
• CAC CA-29 Mirage
• CAC CA-30
• CAC CA-32 Kiowa
• CAC AA107^{[citation needed]}

(1943: Commonwealth Aircraft Co, Kansas City, KS, reorganized from Rearwin Co to build assault gliders, 1949: Valley Stream, NY)

• Commonwealth 185 Skyranger
• Commonwealth C-170 Trimmer^[1][7][8]

(Commuter Aircraft Corp, Youngstown, OH)

• Commuter CAC-100^[1]

• Commuter Craft Innovator^[9]

(Aerocomp Inc, Merritt Island, FL / Comp Air)

• Comp Air 3
• Comp Air 4
• Comp Air 6
• Comp Air 7
• Comp Air 8
• Comp Air 9
• Comp Air 10
• Comp Air 11^[10]
• Comp Air 12
• Comp Air Jet
• Aerocomp Merlin

(Compagnie Française d'Aviation – C.F.A. – Division ofSalmson)

(Compcop Inc (Pres: Stephen Geraghty), Redwood City, CA)

• Compcop Boon Junior^[1]
• Compcop G-1

(seeFane forComper Fane, which was started byNick Comper and finished by Gerard Fane)

• Comper Swift
• Comper Mouse
• Comper Streak
• Comper Kite
• Comper Scamp
• Comper Fly

(Composite Aircraft Corporation)

• Composite/Windecker Eagle^[11]
• Composite Eagle TC^[11]

(Rollo L Compton, San Antonio, TX)

• Compton Special^[1]

(David Comstock, Roundup, MT)

• Comstock 1932 monoplane^[1]

(Flugzeugbau A. Comte / Robert Wild)

• Comte AC-1
• Comte AC-3
• Comte AC-4
• Comte AC-8
• Comte AC-11-V
• Comte AC-12 Moskito
• Wild DT
• Wild 43
• Wild X biplane

(Con D Ellingston & Earl E Hansen, Great Falls, MT)

• Con Ellingston Special^[1]

• Conair Firecat

• Conal W-151 Willi

(Knoxville, TN)

• Concept Prowler

(Pouance, France)

• Concept Composites MD03 Transat

(Clifford Condit, Partridge, IL)

• Condit Experimental^[1]

(Condor Aero Inc.)

• Condor Shoestring

(Condor Aircraft)

• Condor Aircraft Condor
• Condor Aircraft Condor II
• Condor Aircraft Condor III

(Condry & (Lawrence) Stephen, San Jose, CA)

• Condry Solo Sportster^[1]

(Daytona Beach, FL)

• Conn One Design^[1]

• Connecticut Aircraft Company DN-1 Airship/Blimp
• Connecticut Aircraft Company A-class Blimp
• Connecticut Aircraft Company B-class Blimp

(Clifford Condit & Gus Palmquist, Milwaukee, WI)

• Conquist 1934 monoplane^[1]

(Ronald Conrad, Earl Player, Jack Buttons, Salt Lake City, UT)

• Conrad Bumblebee^[1]

(Roland Conrad, Salt Lake, UT)

• Conrad Bumblebee^[1]

(Conroy aircraft / Jack Conroy)

• Conroy Skymonster
• Conroy Stolifter
• Conroy Turbo Albatross
• Conroy Turbo Three
• Conroy Tri-Turbo-Three

(for later types seeConvair)

• Consolidated Model 1 PT-1 Trusty
• Consolidated Model 2 PT-3/NY-1 Husky
• Consolidated Model 3 design for USN competition
• Consolidated Model 4 biplane design
• Consolidated Model 5 monoplane design with Wright J-5 engine
• Consolidated Model 6 monoplane design for US Army
• Consolidated Model 7 O-17 Courier
• Consolidated Model 8 floatplane variant of model 7
• Consolidated Model 9 XPY-1 Admiral
• Consolidated Model 10 cabin monoplane with Wright J-5B engine
• Consolidated Model 11 Guardian^[12] twin-engine bomber design, dropped in favor of joint S-37 project with Sikorsky
• Consolidated Model 12 Husky, commercial version of PT-3
• Consolidated Model 14 Husky Junior becameFleet Model 1
• Consolidated Model 15 variant of model 7 withPratt & Whitney R-1340
• Consolidated Model 16 Commodore
• Consolidated Model 17 Fleetster
• Consolidated Model 18 XBY-1, naval version of Fleetster
• Consolidated Model 20 Fleetster, parasol wing version
• Consolidated Model 21 PT-11/N4Y
• Consolidated Model 22 P2Y Ranger
• Consolidated Model 23 modified Thomas-Morse Y1O-41
• Consolidated Model 24 Fleetster
• Consolidated Model 25 Y1P-25
• Consolidated Model 26 P-30/PB-2
• Consolidated Model 27 XA-11, attack version of P-30
• Consolidated Model 28 PBY Catalina
• Consolidated Model 29 PB2Y Coronado
• Consolidated Model 30 XPB3Y (cancelled)
• Consolidated Model 31 XP4Y Corregidor
• Consolidated Model 32 B-24 Liberator
• Consolidated Model 33 XB-32 Terminator
• Consolidated Model 34 B-32 Dominator
• Consolidated Model 35 six-engine tandem tractor/pusher bomber design, not built
• Consolidated Model 36 B-36 Peacemaker (initially B-35, but changed to B-36 to avoid confusion with the YB-35)
• Consolidated Model 37 civil airliner variant of XC-99
• Consolidated Model 38 B-24D fuselage with a P4Y wing (project)
• Consolidated Model 39 R2Y-1 Liberator Liner
• Consolidated Model 40 PB4Y-2 Privateer, naval version of the B-32
• Consolidated A-11
• Consolidated A-44
• Consolidated AT-22
• Consolidated B-24 Liberator
• Consolidated B-32 Dominator
• Consolidated B-41 Liberator
• Consolidated BT-6
• Consolidated BT-7
• Consolidated BY Fleetster
• Consolidated B2Y
• Consolidated C-11 Fleetster
• Consolidated C-22 Fleetster
• Consolidated C-87 Liberator Express
• Consolidated C-109 Liberator Express
• Consolidated F-7
• Consolidated NY Trusty
• Consolidated N2Y
• Consolidated N3Y
• Consolidated N4Y
• Consolidated O-17 Courier
• Consolidated OA-10 Catalina
• Consolidated P-25
• Consolidated P-27
• Consolidated P-28
• Consolidated P-30
• Consolidated P-33
• Consolidated PB-2
• Consolidated PBY Catalina
• Consolidated PB2Y Coronado
• Consolidated PB3Y
• Consolidated PB4Y-1 Liberator
• Consolidated PB4Y-2 Privateer
• Consolidated PT-1
• Consolidated XPT-2
• Consolidated PT-3
• Consolidated PT-4
• Consolidated PT-5
• Consolidated PT-6
• Consolidated PT-8
• Consolidated PT-11
• Consolidated PT-12
• Consolidated XPT-933
• Consolidated PY Admiral
• Consolidated P2Y Ranger
• Consolidated P3Y
• Consolidated P4Y Corregidor
• Consolidated P4Y Privateer
• Consolidated P5Y
• Consolidated RY
• Consolidated R2Y
• Consolidated T-32^[12]
• Consolidated TBY Sea Wolf
• Consolidated TW-3
• Consolidated Courier
• Consolidated CXP-28^[12]
• Consolidated LB-4^[13]
• Consolidated LB-5^[13]
• Consolidated LB-6^[13]
• Consolidated LB-8^[13]
• Consolidated LB-9^[13]
• Consolidated LB-12^[13]
• Consolidated LB-13^[13]
• Consolidated LB-14^[13]
• Consolidated LB-15^[13]
• Consolidated LB-16^[13]
• Consolidated LB-17^[13]
• Consolidated LB-19^[13]
• Consolidated LB-20^[13]
• Consolidated LB-22^[13]
• Consolidated LB-24^[13]
• Consolidated LB-25^[13]
• Consolidated LB-26^[13]
• Consolidated LB-27^[13]
• Consolidated LB-28^[13]
• Consolidated LB-29^[13]
• Consolidated LB-30
• Consolidated HXC
• Consolidated Navy Experimental Type C Flying-Boat

(Cristea Constantinescu)

• Constantinescu C.O.-2^{[citation needed]}

(Contender Aircraft Co, Sunnyvale, CA)

• Contender 202^[1]
• Contender 303^[1]
• Contender 606^[1]

(Continental Aircraft & Transportation Corp (pres: Fred Leinweber), Phoenix, AZ)

• Continental 1910 Biplane^[1]

(1929: Continental Aircraft Co, 704 E Douglas, Wichita, KS)

• Continental 1929 aeroplane^[1]

(1912: Continental Aircraft Corp (pres: Hugh Copeland), Amityville, NY)

• Continental KB-1 Military Biplane^[1]
• Continental KB-3^[1]

(Continental Aviation Corp (founders: M W Giddings and E R Willard), Boeing Field, Seattle, WA, 6/26/31: company into receivership)

• Continental 3000^[1]

(Continental Motors Company, Muskegon and Detroit, MI)

• Continental 1924 Biplane^[1]

• Continental Copters El Tomcat^[1]
• Continental Copters JC-1 Jet-Cat^[1]

• Convair Model 100 PB4Y-2 Privateer; former Consolidated Model 40
• Convair Model 101 RY-3/C-87 Liberator Express; former Consolidated Model 32
• Convair Model 102 XP-81 (Vultee design)
• Convair Model 103 Stout Skycar IV
• Convair Model 104 R2Y Liberator Liner; former Consolidated Model 39
• Convair Model 105 L-13 (Stinson design)
• Convair Model 106 Skycoach^[12]
• Convair Model 107 twin-engine, 8-10 passenger airliner project
• Convair Model 108 Voyager (Stinson design)
• Convair Model 109 XB-46; later Convair Model 1
• Convair Model 110 Convair-Liner; prototype for Convair CV-240 series
• Convair Model 111 Aircar (Stinson design)
• Convair Model 112 XB-53
• Convair Model 115 XP-92
• Convair Model 116 ConVairCar
• Convair Model 117 P5Y Tradewind; evolved into the R3Y
• Convair Model 118 ConVairCar

• Convair Model 1 XB-46
• Convair Model 2 F2Y Sea Dart
• Convair Model 3 R3Y Tradewind
• Convair Model 4 B-58 Hustler
• Convair Model 5 XFY Pogo
• Convair Model 6 planned double-deck airliner development of B-36; production version of Consolidated Model 37
• Convair Model 7 XSM-65 Atlas
• Convair Model 8 F-102 Delta Dagger
• Convair Model 9 NB-36H Crusader
• Convair Model 10 logistic transport aircraft project
• Convair Model 11 YB-60 Jet Peacemaker; all-jet development of the B-36
• Convair Model 12: possibly for tactical versions of the F2Y
• Convair Model 15 Dart; four-engine, 60 passenger pressurized airliner with Rolls-Royce Dart turboprops
• Convair Model 16 B-58A
• Convair Model 17 B-58 study
• Convair Model 18 N-2; large turbojet airliner for TWA; led to the 880
• Convair Model 19 six-engine version of Model 18
• Convair Model 20 four-engine double deck airliner
• Convair Model 22 880
• Convair Model 23 USN nuclear-powered supersonic attack seaplane projects
• Convair Model 24 XP6Y-1; open ocean ASW seaplane
• Convair Model 25 WS-125A CAMAL; nuclear-powered bomber
• Convair Model 27 LV-3B Atlas D; space launch vehicle
• Convair Model 30 990 Coronado; initially Model 22M
• Convair Model 31 version of 880 with increased fuel capacity
• Convair Model 38 640?; transport project similar to Fokker F-28
• Convair Model 48 Charger; US Army COIN submittal for OV-10 competition; Convair's last complete aircraft
• Convair Model 49 ducted-rotor, tail-sitting VTOL for AAFSS competition
• Convair Model 54 NX-2; nuclear-powered bomber
• Convair Model 55 Centaur; space vehicle project
• Convair Model 58-9 SST based on the B-58
• Convair Model 60 short-haul airliner derived from the 880/990
• Convair Model 61 Jet Transport; airliner project
• Convair Model 62 SST; stretched version of Model 58-9 for 52 passengers
• Convair Model 69 SLV-3 Atlas
• Convair 90 XA-41
• Convair Model 200
• Convair CV-240 family
  • Convair 240
  • Convair 300
  • Convair 340
  • Convair 440
  • Convair 540
  • Convair 580
  • Convair 5800
  • Convair 600
  • Convair 640
• Convair 660 twin-engine short-haul jet airliner, not built
• Convair 880
• Convair 990 Coronado
• Convair NX-2^[12]
• Convair UC-880
• Convair OA-10
• Convair A-41
• Convair A-44
• Convair B-36
  • Convair NB-36
• Convair B-58 Hustler
• Convair C-131
• Convair F-7 Sea Dart
• Convair F-92A
• Convair F-102 Delta Dagger
• Convair F-106 Delta Dart
• Convair F2Y Sea Dart
• Convair L-13
• Convair OY
• Convair P5Y
• Convair PQM-102
• Convair R2Y
• Convair R3Y Tradewind
• Convair R4Y
• Convair Super Hustler
• Convair T-29
• Convair X-6
• Convair X-12
• Convair X-30 NASP
• Convair XB-46
• Convair XB-53
• Convair XC-99
• Convair XF-92
• Convair XFY Pogo
• Convair XP-81
• Convair XP6Y
• Convair YB-60

(Convertawings Inc, Long Island, NY)

• Convertawings Quadrotor A^[1]
• Convertawings Quadrotor F^[1]

(Leon M Cook, Pampa, TX)

• Cook Shifflet^[1]

((John) Cook Aircraft Corp, Torrance, CA)

• Cook JC-1 Challenger^[1]

(Weldon B Cooke, Pittsburg, CA, 1913: Sandusky, OH)

• Cooke#1 1912 Biplane^[1]
• Cooke A 1912 Flying Boat^[1]
• Cooke 1913 Biplane^[1]

(G Carlyle Cooke, Winston-Salem, NC)

• Cooke 1928 Monoplane^[1]
• Cooke 1930 Aeroplane^[1]
• Cooke 113-G^[1]
• Cooke Mono^[1]

(Sam Cooke)

• Cooke 1955 Monoplane^[1]

(John F Cooley Aerial Navigation Co, Rochester, NY)

• Cooley 1910 Aeroplane^[1]

(Cooley & Stroben, Woodlake, CA)

• Cooley & Stroben A^[1]

(Thomas A Cooney, Indianapolis, IN)

• Cooney R-3^[1]
• Cooney Tom Cat^[1]

(Harold D Coonley, Miami, FL)

• Coonley Racer^[1]Little Toot

(John D Cooper Aeroplane Co, Bridgeport, CT)

• Cooper Training Tractor^[1]

(J B Cooper, Bridgeton, MO)

• Cooper S-A-1^[1]

• Cooper-Travers Hawk^[14]

(Georges Copin)

• Copin 1911 Monoplan^[15]

(Harry Depew Copland, Detroit, MI)

• Copland 1911 Biplane^[1]

(Corben Sport Plane & Supply Co, Peru, IN and Madison, WI)

• Corben 6-S^[1]
• Corben 7-AD^[1]
• Corben B^[1]
• Corben C^[1]
• Corben Cabin Ace^[1]
• Corben Baby Ace
• Corben Junior Ace
• Corben Super Ace

(John Corby)

• Corby CJ-1 Starlet^[16]

(R Stanley Corcoran Co, New Lenox, IL)

• Corcoran 1970 Biplane^[1]
• Corcoran 65-1^[1]

(Aircraft Development Div, (Erret L) Cord Mfg Co, Glendale, CA)

• Cord-Vultee V-1^[1]

(Harry Cordy, Los Angeles, CA)

• Cordy 1931 Helicopter^[1]

(Italy)

• Corivi Pegaso

(Corman (Erret L Cord & Lucius B Manning) Aircraft Co, Dayton, OH)

• Corman 3000^[1] a.k.a. Weihmiller 3000
• Corman 6000^[1] a.k.a.Stinson SM-6000

(1930: (George Wilbur) Cornelius Aircraft Co, Glendale, CA, c.1935: Van Nuys, CA, c.1940: Dayton, OH, 1941: Cornelius-Hoepli Co.)

• Cornelius Fre-Wing^[17]
• Cornelius LW-1^[1]
• Cornelius Mallard^[1]
• Cornelius XFG-1^[1]
• Cornelius XBG-3

(Paul Cornu)

• Cornu helicopter

(Corvus Hungary LLC)

• Corvus Fusion
• Corvus Phantom RG
• Corvus Phantom UL
• Corvus Racer 312
• Corvus Racer 540
• Corvus Wild Angel
• Corvus Crusader

(Joseph Coser & John Oonk, St Louis, MO)

• Coser-Oonk CO-2 Our Lady^[1]

(Cosmic Aircraft Corp, Bridgeport, CT)

• Cosmic CC-1^[1]
• Cosmic F-23^[1]

• Little Toni^[1]
• Flying Frenchman^[1]
• Minnow
• Ballerina
• Miss Cosmic Wind^[1]

(Southam, United Kingdom)

• Cosmik Chaser

(Fontaine-lès-Dijon, France)

• Cosmos Bison
• Cosmos Echo
• Cosmos Echo 12
• Cosmos Echo Fun
• Cosmos Echo Racer
• Cosmos Samba
• Cosmos Phase II
• Cosmos Phase II 503 Chronos 16
• Cosmos Phase II 582 Top 12.9
• Cosmos Phase III
• Cosmos Phase III 912 Top 14.9

(L. Coubash)

• Coubasch Monoplane^[18]

(Leonard Eaves, Oklahoma City, OK)

• Cougar 1965 Monoplane^[1]

(Coulaud)

• Coulaud Méo^[19]

• CSIR Experimental Autogyro II

(Jacques Coupé)

• Coupé-Aviation JC-01^[2]
• Coupé-Aviation JC-2^[2]
• Coupé-Aviation JC-3
• Coupé-Aviation JC-200^[2]

(Courier Monoplane Co)

• Courier MT-1^[1] (a.k.a. TK-100)
• Courier PB-1^[1]

(Jean-Claude Courtès)

• Jean-Claude Courtès JCC.01^[2]

(Société Anonyme d'Applications Industrielles du Bois)

• Courtois-Suffit Lescop CSL C1^[20][3]
• Courtois-Suffit Lescop Clerget engined fighter^[3]

(Société de Constructions Navales du Léman de Thonon-Les Bains)

• Coutant RMC 17^[21][3]

(Coutou)

• Coutou Cri-cri^[19]

(Germain Couyaud)

• Couyaud GC.01^[19]

(Société des Avions René Couzinet /René Couzinet)^[22]

• Couzinet 10 'Arc en Ciel'
• Couzinet 20
• Couzinet 21
• Couzinet 22
• Couzinet 27 'Arc en Ciel'
• Couzinet 30
• Couzinet 33
• Couzinet 33 No.2
• Couzinet 40^[23]
• Couzinet 70 'Arc en Ciel III'
• Couzinet 80^[24]
• Couzinet 100
• Couzinet 101
• Couzinet 103
• Couzinet RC360^[25][26]
• Air-Couzinet AC-10^[27]
• Air-Couzinet 20B4^{[citation needed]}

(Cove Biplane Co)

• Cove 1911 Biplane^[1]

• COW Biplane

(Ken S. Coward)

• Coward WeeBee

(Joseph A Cox, 107 S Shield St, Knox, IN, 1928: Starke County Aviation Club.)

• Cox C^[1] (later renamed 'Mickey Mouse')

• Cox-Klemin CK-1^[1]
• Cox-Klemin CK-2^[1]
• Cox-Klemin CK-3^[1]
• Cox-Klemin CK-14^[1]
• Cox-Klemin CK-18 Sea hawk^[1]
• Cox-Klemin CK-19^[1]
• Cox-Klemin CO-1
• Cox-Klemin CO-2
• Cox-Klemin Night Hawk^[1]
• Cox-Klemin TW-2
• Cox-Klemin XA-1
• Cox-Klemin XO-4^[1]
• Cox-Klemin XS

(Chantiers de Provence Aviation)

• CPA 1

(Craft Aerotech, Missoula, MT)

• Craft Aerotech 200^[1]
• Craft Aerotech 200FW^[1]

(James A Crane, Ellsworth ME.)

• Crane 1929 Ornithopter^[1]

• Cranfield A1 (1967)

(Cranwell Light Aeroplane Club, United Kingdom)

• Cranwell C.L.A. Glider 1923^{[citation needed]}
• Cranwell CLA.1
• Cranwell CLA.2
• Cranwell CLA.3
• Cranwell CLA.4
• Cranwell CLA.5^{[citation needed]}
• Cranwell CLA.6^{[citation needed]}
• Cranwell CLA.7 Swift

((Harvey J) Crawford, Puyallup, WA)

• Crawford 1908 Biplane^[1]
• Crawford-Colvin 1911 Biplane^[1]
• Crawford 1913 Biplane^[1]

(Crawford All-Metal Airplane Co Inc, Los Angeles, CA)

• Crawford A-1^[1]
• Crawford C-1^[1]
• Crawford CLM^[1]
• Crawford Commercial^[1]
• Crawford Courier^[1]
• Crawford Powered Glider^[1] (a series of powered primary's)
• Crawford WFC Special^[1]
• Crawford Runabout^[1]
• Crawford Special^[1]
• Crawford-Watanabe Sport^[1]
• Crawford-Watanabe Courier^[1]

• Crawford & Howden monoplane^[28]

(seeCANT)

• Creative Flight Aerocat
• Creative Flight Aerocat SR
• Creative Flight Aerocat SRX
• Creative Flight Aerocat TR

• Campbell Cricket

(Guaymaral, Colombia)

• Criquet Storch

(Francis B Crocker and Peter Cooper-Hewitt)

• Crocker-Hewitt 1917 Helicopter^[1]

(Alain Croisé)

• Croisé AC.1^[2]

(1912: (C D) Cromley Multiplane Co, Reno, NV)

• Cromley 1912 Multiplane^[1]
• Cromley Helicopter^[1]

(Forrest E Cromwell, Wetmore, KS)

• Cromwell A-1^[1]

(Harry Crosby, Burbank, CA)

• Crosby CR-3^[1] (a.k.a. C6R-3)
• Crosby CR-4^[1]

(Emilien Croses)

• Croses EC-1 Pouplume
• Croses EC-2 Pouplume
• Croses EAC-3 Pouplume
• Croses EC-6 Criquet^[2]
• Croses LC-6^[2]
• Croses-Bujon BEC-7 Tous Terrains^[29]
• Croses EC-8 Tourisme^[2]
• Croses EC-9 Para-Cargo
• Croses LC-10 Criquet^[2]
• Croses-Noêl CN.1^[2]

(1929: (Powel) Crosley Aircraft Mfg Div, Crosley Radio & Electronics Co, Sharonville, OH)

• Crosley Flea^[1]
• Crosley Moonbeam C-1^[1]
• Crosley Moonbeam C-2^[1]
• Crosley Moonbeam C-3^[1]
• Crosley Moonbeam C-4^[1]
• Crosley Power Glider^[1]

((Dr Walter M) Cross-(Jack E) Foster Aircraft Corp, Kansas City, MO)

• Cross-Foster CF-1^[1]

(Aviation Construction Engr Co, Chicago, IL)

• Crossland Ace^[1]

(1931: (R J Goodman) Crouch-(Harold) Bolas, 21 Campbell St, Pawtucket, RI)

• Crouch-Bolas Dragon^[1]
• Crouch-Bolas Dragonfly^[1]
• Crouch-Bolas B-40 Pursuit^[30]
• Crouch-Bolas B-37 Speed Ranger^[30]

• Crouch-Sowers Special^[1]

(Hugh Crowder)

• Crowder Blue Teal Custom^[31]

• Crown Custombuilt B-3^[1]

• CRSS AA200 Orion
• CRSS AA300 Rigel
• CRSS AA330 Theta

((W G) Dunn Mfg Co, Clarinda, IA)

• Cruizaire 1929 Monoplane^[1]

(Crumley Multiplane Co.)

• Crumley 1912 Aeroplane^[1]

(Thomas Charles Crump, Grand Rapids, MI)

• Crump Low-Wing^[1]

(Crusader Aircraft Corporation)

• Crusader AG-4^[32]
• Crusader AG-7^[32]

(Czech Sport Aircraft formerly CZAW)

• CSA Parrot
• CSA PS-10 Tourer
• CSA PS-28 Cruiser^[33]

(CSC Aircraft Company)

• CSC Maiden Saginaw

(Council for Scientific and Industrial Research)

• CSIR Experimental Autogyro II

(Commonwealth Scientific and Industrial Research Organisation)

• CSIRO Mantis^[34]

(Centralne Studium Samolotów – Central Aircraft Studies)

• CSS-10
• CSS-11^[35]
• CSS-12
• CSS-13
• CSS-S-13

(Centro Técnico Aeroespacial)

• CTA BF-1 Beija-Flôr
• CTA Convertiplano
• CTA Paulistinha 56

• CUB Prospector
• CUB Cub

• CubCrafters Top Cub^[36]
• CubCrafters CC11-160 Carbon Cub SS
• CubCrafters CC11-100 Sport Cub S2 – an O-200 powered LSA variant [4]
• CubCrafters Carbon Cub EX – An experimental kit variant of the Carbon Cub SS
• CubCrafters Carbon Cub UL – A lightened variant of the Carbon Cub SS
• CubCrafters NX Cub – nosewheel addition^[37]
• CubCrafters CC18-180 Top Cub
• CubCrafters CC19-180 XCub

(Herberts Cukurs) – Latvia

• Cukurs C.1 Auseklits^{[citation needed]}
• Cukurs C.2^[38]
• Cukurs C.3 Kurzemes Hercogiene^[39][38]
• Cukurs C.4^[40]
• Cukurs C.6^[38][41][42] –Tris Zvaigznes
• Cukurs C.6bis

(Culp's Specialties, Shreveport, LA)

• Culp MonoCulp^[43][44]
• Culp Pup^[43]
• Culp Special^[43]

(Charles R Culver, Springfield, MA)

• Culver 1910 Pusher Biplane^[36]

(Lagar R Culver, Farmington, UT)

• Culver 1910 Biplane^[36]

(Culver Aircraft Company)

• Culver A-8
• Culver PQ-8
• Culver PQ-10^[36]
• Culver PQ-14
• Culver PQ-15
• Culver Q-8
• Culver TDC
• Culver TD2C
• Culver TD3C^[36]
• Culver TD4C
• Culver UC
• Culver Cadet LAR-90
• Culver Cadet LCA
• Culver Cadet LFA
• Culver Dart G
• Culver V
• Culver V-2
• Culver MR^{[citation needed]}

• Cunliffe-Owen Concordia
• Cunliffe-Owen Aircraft OA-1
• Harlow PJC-2

((Grant S) Cunning Aircraft, Clearfield, UT)

• Cunning Volksplane^[36]

((Francis E) Cunningham-(Randolph F) Hall Aircraft Corp)

• Cunningham-Hall GA-21M^[36]
• Cunningham-Hall GA-36^[36]
• Cunningham-Hall PT-6
• Cunningham-Hall X-90^[36]

(J.R.Currie)

• Currie Wot

(Curti Aerospace)

• Curti Zefhir

(Curtis A Wright Aeronautical Corp. (unrelated to Curtiss-Wright Corp. - note spelling))

• Curtis Wright C.W.1A Coupe^[36]
• Curtis Wright C.W.1H Air Coach^[36]
• Curtis Wright C.W.2 Sport Trainer^[36]
• Curtis Wright CW-2 Flymobile a.k.a. Wek'copter^[36]
• Curtis Wright C.W.4 Commercial^[36]
• Curtis Wright C.W.5 Junior Transport^[36]
• Curtis Wright C.W.21 a.k.a. 21^[36]

(Curtiss Aeroplane and Motor Company)

• Curtiss A-3 Falcon
• Curtiss A-4 Falcon
• Curtiss A-4 Helldiver civil XF8C-8
• Curtiss A-5 Falcon
• Curtiss A-6 Falcon
• Curtiss A-8 Shrike
• Curtiss A-10 Shrike
• Curtiss A-12 Shrike
• Curtiss A-14 Shrike
• Curtiss A-18 Shrike
• Curtiss A-25 Shrike
• Curtiss A-40
• Curtiss A-43 Blackhawk
• Curtiss AT-4
• Curtiss AT-5
• Curtiss AT-9 Jeep
• Curtiss B-2 Condor
• Curtiss BT-4
• Curtiss C-10 Robin
• Curtiss C-30 Condor
• Curtiss C-46 Commando
• Curtiss C-55 Commando
• Curtiss C-76 Caravan
• Curtiss C-113 Commando
• Curtiss C-143
• Curtiss CO-X
• Curtiss F-87 Blackhawk
• Curtiss GS-1
• Curtiss GS-2
• Curtiss XNBS-4
• Curtiss O-1 Falcon
• Curtiss O-11
• Curtiss O-12
• Curtiss O-13
• Curtiss O-16
• Curtiss O-18
• Curtiss O-24
• Curtiss O-26
• Curtiss O-30
• Curtiss O-39
• Curtiss O-40 Raven
• Curtiss O-52 Owl
• Curtiss P-1 Hawk
• Curtiss P-2 Hawk
• Curtiss P-3 Hawk
• Curtiss P-5 Hawk
• Curtiss P-6 Hawk
• Curtiss P-10
• Curtiss P-11 Hawk
• Curtiss P-14
• Curtiss P-17
• Curtiss P-18
• Curtiss P-19
• Curtiss P-20 Hawk
• Curtiss P-21
• Curtiss P-22 Hawk
• Curtiss P-23 Hawk
• Curtiss P-31
• Curtiss P-36 Hawk
• Curtiss P-37
• Curtiss P-40
• Curtiss P-42
• Curtiss P-46
• Curtiss P-53
• Curtiss P-55 Ascender
• Curtiss P-60
• Curtiss P-62
• Curtiss P-71
• Curtiss P-87 Blackhawk
• Curtiss P-60
• Curtiss XP-934 P-31
• Curtiss PW-8
• Curtiss R-6
• Curtiss R-8 R2C-1 re-build
• Curtiss USAO-1 Licence production ofBristol F.2 Fighter
• Curtiss VF-11

• Curtiss BTC
• Curtiss BT2C
• Curtiss BFC Goshawk
• Curtiss BF2C Goshawk
• Curtiss CR
• Curtiss CS
• Curtiss CT
• Curtiss FC
• Curtiss F2C
• Curtiss F3C
• Curtiss-Hall F4C
• Curtiss F5C – designation cancelled to avoid confusion with F-5 flying boats
• Curtiss F6C Hawk
• Curtiss F7C Seahawk
• Curtiss F8C Falcon
• Curtiss F9C Sparrowhawk
• Curtiss F10C Helldiver
• Curtiss F11C Goshawk
• Curtiss F12C
• Curtiss F13C
• Curtiss F14C
• Curtiss F15C
• Curtiss NC
• Curtiss N2C
• Curtiss OC
• Curtiss O2C
• Curtiss O3C
• Curtiss PN-1
• Curtiss RC Kingbird
• Curtiss R2C
• Curtiss R3C
• Curtiss R4C Condor
• Curtiss R5C Commando
• Curtiss SBC
• Curtiss SB2C Helldiver
• Curtiss SB3C
• Curtiss SC Seahawk
• Curtiss S2C Goshawk
• Curtiss S3C
• Curtiss S4C
• Curtiss SNC
• Curtiss SOC Seagull
• Curtiss SO2C
• Curtiss SO3C Seamew

• Curtiss Albany Flyer
• Curtiss America^[45]
• Curtiss Autoplane^[45]
• Curtiss Banshee Express^[45]
• Curtiss Canuck
• Curtiss Carrier Pigeon
• Curtiss Carrier Pigeon 2^[45]
• Curtiss Carrier Pigeon CO^[45]
• Curtiss Challenger Robin
• Curtiss Canuck
• Curtiss Cleveland
• Curtiss Commercial^[45]
• Curtiss Condor
• Curtiss Condor II
• Curtiss Courtney a.k.a. Curtiss-Wright CA-1 Commuter^[45]
• Curtiss Crane^[45]
• Curtiss Dunkirk Fighter
• Curtiss Eagle
• Curtiss Eagle II
• Curtiss Eagle III
• Curtiss Falcon
• Curtiss Falcon II
• Curtiss Falcon 1910 Biplane^[45]
• Curtiss Falcon Conqueror Mailplane
• Curtiss Fledgling
• Curtiss Flying Fish^[45]
• Curtiss Freak Boat^[45]
• Curtiss Gulfhawk
• Curtiss Hawk I
• Curtiss Hawk II
• Curtiss Hawk III
• Curtiss Hawk IV
• Curtiss Hudson Flyer^[45]
• Curtiss Janin Patent Boat^[45]
• Curtiss Judson Triplane^[45]
• Curtiss Kingbird
• Curtiss Lark^[45]
• Curtiss Liberty Battler^[45]
• Curtiss Lindbergh Special^[45]
• Curtiss Night Mail
• Curtiss Oriole
• Curtiss Osprey
• Curtiss Owl^[45] (not O-52)
• Curtiss-Wright Pursuit Osprey
• Curtiss Robin
• Curtiss Seagull MF, 18
• Curtiss Sport Trainer^[45]
• Curtiss Tadpole^[45]
• Curtiss Tanager
• Curtiss Teal
• Curtiss Thrush^[45]
• Curtiss Triad^[45]
• Curtiss Valkyrie^[45]
• Curtiss Wanamaker Triplane^[45]

(assigned retroactively in 1935, with 75 being first contemporary use of system)

• Curtiss 1 JN-4^[45]
• Curtiss 2 R/R-2^[45]
• Curtiss 3 Wanamaker Triplane^[45]
• Curtiss 4 Commercial^[45]
• Curtiss 5 N^[45]
• Curtiss 6 America/H/H-1/H-2/H-4/H-8/H-12/H-16
• Curtiss 7 F/FL/Judson Triplane^[45]
• Curtiss 8 HS
• Curtiss 9 L^[45]
• Curtiss 10 S/Scout/Wireless Scout
• Curtiss 11 Autoplane^[45]
• Curtiss 12 NC
• Curtiss 13 BAT^[45]
• Curtiss 14 BAP^[45]
• Curtiss 15 18B Hornet and 18T Wasp
• Curtiss 16 HA/Dunkirk Fighter
• Curtiss 17 Oriole^[45]
• Curtiss 18 MF
• Curtiss 19 Eagle
• Curtiss 20 Crane^{[citation needed]}
• Curtiss 21 PN-1
• Curtiss 22 Cox Racer
• Curtiss 23 CR/R-6
• Curtiss 24 CT^[45]
• Curtiss 25 Seagull^{[citation needed]}
• Curtiss 26 Orenco D
• Curtiss 28 TS
• Curtiss 29 SX4-1 Water Glider^{[citation needed]}
• Curtiss 30 Curtiss production ofMartin NBS-1 bombers
• Curtiss 31 CS
• Curtiss 32 R2C/R-8 racers
• Curtiss 33 XPW-8/PW-8^{[citation needed]}
• Curtiss 34 P-1/AT-4/AT-5
• Curtiss 35 Hawk
• Curtiss 36 NBS-1
• Curtiss 37 Export Falcon/XF8C-1
• Curtiss 39 F4C/F6C
• Curtiss 40 Carrier Pigeon^[45]
• Curtiss 41 Lark^[45]
• Curtiss 42 R3C^{[citation needed]}
• Curtiss 43 F7C
• Curtiss 47 Hawk II/Goshawk^[45]
• Curtiss 48 Fledgling/N2C
• Curtiss 49 F8C Helldiver
• Curtiss 50A Challenger Robin
• Curtiss 51 Fledgling/N2C
• Curtiss 52 B-2 Condor
• Curtiss 53 CO Condor
• Curtiss 55 Kingbird
• Curtiss 56 Thrush^[45]
• Curtiss 57 Teal
• Curtiss 58 F9C Sparrowhawk
• Curtiss 59 A-8/A-10/Shrike
• Curtiss 60 A-8B/A-12/Shrike
• Curtiss 62 O-40 Raven
• Curtiss 63 P-23 Hawk
• Curtiss 64 BF2C-1/XF11C-2
• Curtiss 66 P-31
• Curtiss 67 XF11C-3/XBF2C-1
• Curtiss 68 Hawk IV
• Curtiss 69 S2C
• Curtiss 70 F13C^{[citation needed]}
• Curtiss 71 O3C/SOC Seagull
• Curtiss 72 Falcon II
• Curtiss 73 Falcon
• Curtiss 73 F12C
• Curtiss 75 Hawk/P-36/P-37/Mohawk
• Curtiss 76 A-14/Shrike
• Curtiss 76A A-18/Shrike
• Curtiss 77 SBC
• Curtiss 79 Hawk IV
• Curtiss 81 Hawk/Tomahawk/Kittyhawk/Warhawk/P-40
• Curtiss 82 SO3C Seagull
• Curtiss 84 A-25/SB2C Helldiver
• Curtiss 85 O-52 Owl
• Curtiss 86 P-46
• Curtiss 87 Kittyhawk/Warhawk/P-40
• Curtiss 88 P-53
• Curtiss 90 P-60
• Curtiss 91 P-62
• Curtiss 94 F14C
• Curtiss 95 P-60
• Curtiss 96 BTC
• Curtiss 97 SC Seahawk
• Curtiss 98 BT2C
• Curtiss 99 F15C

• Curtiss AB AB-1 to AB-5^[45]
• Curtiss AH AH-1 to AH-18^[45]
• Curtiss AX-1
• Curtiss BAP^[45]
• Curtiss BAT^[45]
• Curtiss BT Flying Lifeboat^[45]
• Curtiss C C-1 to C-5^[45]
• Curtiss C-1 Canada
• Curtiss CB Battleplane^[45]
• Curtiss CO Condor
• Curtiss Model D
• Curtiss Model E
• Curtiss EC-1 Scout^[36]
• Curtiss Ely 1910 Monoplane^[45]
• Curtiss Model F
• Curtiss FL blend of F and L
• Curtiss Model G Scout^[45]
• Curtiss GS^[45]
• Curtiss Model H
• Curtiss HA Dunkirk Fighter
• Curtiss HS
• Curtiss J
• Curtiss JN
• Curtiss JN Twin
• Curtiss JNH
• Curtiss JNS
• Curtiss K^[45]
• Curtiss KPB^{[citation needed]}
• Curtiss KPL^{[citation needed]}
• Curtiss Model L
• Curtiss LXC1^[45]
• Curtiss M^[45]
• Curtiss MF
• Curtiss Model N
• Curtiss Model O^[45]
• Curtiss PN-1 Pursuit Night
• Curtiss Model R 2/R-2
• Curtiss RA
• Curtiss Model S Scout/Wireless Scout
• Curtiss Model T^[45]
• Curtiss T-2^[45]
• Curtiss T-32 Condor II (Curtiss-Wright CW-4)(USN R4C)(USAAF YC-30)(Company AT-32, BT-32, Connecticut-32)
• Curtiss X-1

• Curtiss-Beachey Biplane^[45]
• Curtiss-Bleecker SX-5-1 Helicopter
• Curtiss-Cox Cactus Kitten
• Curtiss-Cox Texas Wildcat
• Curtiss-Frisbie^[45]
• Curtiss-Goupil Duck^[45]
• Curtiss-Herring D^[45]
• Curtiss-Ireland Comet^[45]
• Curtiss Orenco D^[45]
• Curtiss-Reid Rambler
• Curtiss-Robertson CR-1 Skeeter
• Curtiss-Robertson CR-2 Coupe
• Curtiss-Robertson Robin
• Curtiss-Sikorsky-Gluhareff JN-4D^[45]
• Curtiss-Sikorsky-Gluhareff Oriole^[45]
• Curtiss-SPAD XIII
• Curtiss-Stewart JN-4C^[45]
• Curtiss-Stinson^[45]

Curtiss-Wright, (not to be confused with Curtis Wright)

• Curtiss-Wright 2500 Air-Car^{[45][46][47][48][49][50]}
• Curtiss-Wright Aircoach^[45]
• Curtiss-Wright Bee^[45]
• Curtiss-Wright Bunting I^[45]
• Curtiss-Wright Courtney Amphibian
• Curtiss-Wright CA-1 Commuter
• Curtiss-Wright CR-1 Skeeter
• Curtiss-Wright CR-2 Coupe
• Curtiss-Wright CW-1 Junior
• Curtiss-Wright CW-3 Duckling
• Curtiss-Wright CW-4 T-32 Condor II
• Curtiss-Wright CW-6 Sedan/Travel Air 6000/6B
• Curtiss-Wright CW-10 Travel Air 10B^{[citation needed]}
• Curtiss-Wright CW-11
• Curtiss-Wright CW-12 Travel Air 12
• Curtiss-Wright CW-14 Travel Air/Speedwing/Sportsman Deluxe/Osprey
• Curtiss-Wright CW-15 Club Sedan
• Curtiss-Wright CW-16 Travel Air 16
• Curtiss-Wright CW-17 Pursuit Osprey
• Curtiss-Wright CW-18^[45]
• Curtiss-Wright CW-19 Coupe/Sparrow
• Curtiss-Wright CW-20 C-46/C-55/C-113 Commando
• Curtiss-Wright CW-21 Demon
• Curtiss-Wright CW-22 SNC Falcon
• Curtiss-Wright CW-23 Coupe
• Curtiss-Wright CW-24 XP-55 Ascender
• Curtiss-Wright CW-24B Flying scale XP-55
• Curtiss-Wright CW-25 AT-9 Jeep
• Curtiss-Wright CW-27 C-76 Caravan
• Curtiss-Wright CW-29 XF-87 Blackhawk
• Curtiss-Wright LXC
• Curtiss Wright Navy Experimental Type C Amphibious Transport^[45]
• Curtiss-Wright VZ-7
• Curtiss-Wright X-19 (X-100 and X-200)
• Curtiss-Wright X-100 X-19 development
• Curtiss-Wright X-200 X-19 development

(1939: National Aircraft Corp (Fdr: Willard R Custer), Hagerstown, MD, 1951: Construction by Baumann Aircraft Corp, Santa Barbara, CA)

• Custer Channel Wing
• Custer CCW-1
• Custer CCW-2
• Custer CCW-5

(Custom Flight Limited, Midland, Ontario, Canada)

• Custom Flight Lite Star
• Custom Flight North Star

(Roland Cuvellier, Léon Lacroix)

• Cuvelier LNB.11^[2]
• Cuvelier LNB.12^[2]
• Cuvelier-Lacroix 2L.12 le Manouche^[2]

(Michigan Steel Boat Co, Detroit, MI)

• Cuthbertson 1909 Biplane^[36]

• Cvjetkovic CA-51^[51]
• Cvjetkovic CA-61 Mini-Ace
• Cvjetkovic CA-65 Skyfly

(Centro Volo a Vela del Politecnico di Milano /Centro Studi ad Ezperienze per il Volo a Vela)

• CVV 1 Pinguino
• CVV 2 Asiago
• CVV 3 Arcore
• CVV 4 Pellicano
• CVV 5 Papero
• CVV 6 Canguro
• CVV 7 Pinocchio
• CVV 8 Linate^{[citation needed]}
• CVV 8 Bonaventura
• CVV PR.2 Saltafossi (Ditch-Hopper)^{[citation needed]}
• CVV PM.280 Tartuca (Tortoise): 1947 low-wing single-seater racer, 60 hp CNA D.4^{[citation needed]}
• CVV PM.80 Tartuca [typo?]^{[citation needed]}
• CVV P.110
• CVV P.111^{[citation needed]}
• CVV P.19 Scricciolo (Wren)
  • CVV P.19Tr – tricycle undercarriage
  • CVV P.19R – (Rimorchio – tug) rebuild with 150 hp Lycoming for use as glider tug

(CW Helicopter Research)

• CW 205^[52]

(C.W. Aircraft Ltd.)

• C.W. Cygnet
• C.W. Cygnet Minor
• C.W. Swan.

(Centralne Warsztaty Lotnicze – Central Aviation Workshops)

• WZ-III^[53]
• WZ-IV^[53]
• CWL WZ-VIII^[53]
• CWL WZ-IX^[53]
• CWL WZ-X
• CWL SK-1 Słowik (developed fromHannover CL.II)

(Cyclone Airsports Ltd)

• Cyclone AX2000

(Cycloplane Co Ltd (founders: H S "Dick" Myhres, Omer L Woodson), 3781 Angeles Mesa Dr, Los Angeles, CA)

• Wheeler Cycloplane A-1^[36]
• Cycloplane C-1
• Cycloplane C-2^[36]

(Zaharoff Aeronautical Corp of America, 55 W 42 St, New York, NY)

• Cyclops Z-II^[36]
• Cyclops Z-IV^[36]

(Czechoslovakia, late 40s – early 50s)

• CZAL L-60 Brigadyr
• CZAL HC-2 Helibaby

• CZAW Parrot
• CZAW SportCruiser a.k.a. PiperSport
• CZAW Mermaid

(Czech Sport Aircraft)

• Czech Sport Aircraft Sky Cruiser
• CSA PS-38 Tourer