1. C

Cacák-Šolc

(Antonín Cacák & Lubomír Šolc / Členové PO MLL Trutnov)

• Cacák-Šolc Hela-Zbodlina

Cacho-Ontiveros

(Emilio Gil Cacho & Felipe García Ontiveros / P.L.A.V.I.A. / Escuela de Especialistas, Málaga)

• Cacho-Ontiveros Gurripato I
• Cacho-Ontiveros Gurripato II^[1]

Cadet Aeronautics

(Alex Dawydoff / Cadet Aeronautics)

• Cadet UT-1

Calvel

(Jacques Calvel)

• Calvel Frelon^[2]

Cambier

• Cambier I^[3]

Cambilargiu

(Emanuele Cambilargiu)

• Cambilargiu Goliardia

Canard Aviation AG

see Farner

Canova

(Piana Canova)

• Canova FPC
• Canova PC-100
• Canova PC-500

CAP

(Companhia Aeronáutica Paulista)

• CAP Alcatraz

Caproni

(Società Italiana Caproni)

• Caproni TM.2^[4]

Caproni Vizzola

• Caproni Vizzola A-10 Calif
• Caproni Vizzola A-12 Calif
• Caproni Vizzola A-14 Calif
• Caproni Vizzola A-15 Calif
• Caproni Vizzola A-20 Calif
• Caproni Vizzola A-21 Calif
• Caproni Vizzola 1
• Caproni Vizzola 2
• Caproni Vizzola MF
• Caproni-Coanda 1908 glider

CARMAM

(Coopérative d'Approvisionnement et de Réparation de Matériel Aéronautique de Moulins)

• CARMAM M-100 S Mésange
• CARMAM M-200 Foehn
• CARMAM JP 15/34 Kit-Club (Jacquet/Pottier JP15/34)
• CARMAM JP 15/36 Aiglon (Jacquet/Pottier JP15/36)
• CARMAM JP 15-38 (Jacquet/Pottier JP15/38)
• CARMAM C.38^[2]
• CARMAM C.40^[2]

Carnegie Tech

• Carnegie Tech Flying Anvil

Cascade

(Cascade Ultralights Inc. / Vitold Kasperski / Steve Grossruck)

• Cascade Kasperwing I-80

Cases

(Francisco Cases Masia)

• Cases Libel-lula^[2]

Castel

(Robert Castello)

• Castel C.24
• Castel C.24 Casoar
• Castel C.24S
• Castel C.242
• Castel C.25S
• Castel C.30 Moustic
• Castel C.30S
• Castel C.301S Ailette
• Castel C.3010
• Castel C.31P Aigrette
• Castel C.310P
• Castel C.311P
• Castel C.32
• Castel C.34 Condor
• Castel C.36
• Castel C.38
• Castel S.D.
• Castel Yanapour II

Castel-Mauboussin

• Castel-Mauboussin CM.6 Adour
• Castel-Mauboussin CM.7
• Castel-Mauboussin CM.8 Acro
• Castel-Mauboussin CM.8/13
• Castel-Mauboussin CM.8/13 Sylphe démotorisé
• Castel-Mauboussin CM.08R13 Cyclone
• Castel-Mauboussin CM.08R13 Sylphe II
• Castel-Mauboussin CM.08R13 Sylphe III
• Castel-Mauboussin CM.08R9.8 Cyclope
• Castel-Mauboussin CM.8/15
• Castel-Mauboussin CM.10
• Castel-Mauboussin CM.17
• Castel-Mauboussin CM.24
• Castel-Mauboussin CM.71
• Castel-Mauboussin CM-88 Gémeaux
• Castel-Mauboussin CM-88R Gémeaux V
• Castel-Mauboussin Jalon

CAT

(Costruzioni Aeronautiche Taliedo)

• CAT 15
• CAT 20
• CAT 28
• CAT 28BP
• CAT TM-2^[5]

CAU

(Club Aéronautique Universitaire)

• CAU Frelon

Caudron

(Société des avions Caudron)

• Caudron LEI
• Caudron C.800
• Caudron C.801
• Caudron C.810
• Caudron C.811
• Caudron C.815

Caux

(Jules Caux)

• Caux 1922 glider

Cayley

(George Cayley)

• Cayley 1799 glider
• Cayley 1849 glider
• Cayley 1853 glider

CEA

(Escola de Engenharia da Universidade Federal de Minas Gerais – School of Engineering at the Federal University of Minas Gerais / Centro de Estudos Aeronáuticos da UFMG – Aeronautical Studies Centre UFMG)

• CEA 101 CB.1 Gaivota
• CEA 102 CB.2 Minuano

Celair

(Celair Manufacturing and Export / Peter Cellier & François Jordan)

• Celair GA-1 Celstar

Cener-Slanovec

(Dušan Cener & Marjan Slanovec)

• Cener-Slanovec KB-2 Udarnik Dušan Cener & Marjan Slanovec

Centrair

• Centrair 101 Pegase
• Centrair C201 Marianne
• Centrair SNC-34 Alliance

CERVA

(Consortium Europeén de Réalisation et de Ventes d'Avions (CERVA))

• CERVA CE-75 Silene
• CERVA CE-78 Silene

Cessna

(Clyde Cessna)

• Cessna CG-2

CGA

(Club Genevois d'Aviation)

• CGA Vol-au-Vent

Champion

(Ken Champion)

• Champion Freedom Falcon

Chanute

(Octave Chanute)

• Chanute 1896 glider
• Chanute 1902 glider
• Chanute 1904 glider
• Chanute-Voisin 1907 glider
• Chanute Katydid
• Chanute Quadriplan
• Chanute-Herring 1896 glider
• Chanute-Huffaker 1901 glider

Chapeaux

(Émile Chapeaux)

• Chapeaux 1922 glider
• Chapeaux CH-10
• Chapeaux CH-19
• Chapeaux CH-19C
• Chapeaux CH-20
• Chapeaux CH-21
• Chapeaux CH-23
• Chapeaux CH-46
• Chapeaux CH-56
• Chapeaux CX-19 Hirondelle
• Chapeaux CX-44-2
• Chapeaux-Durand CXD-18 Émile Chapeaux & Édouard Durand
• Chapeaux EC-19
• Chapeaux Le Moniteur
• Chapeaux VSBC Le Vautour Oricou
• Chapeeaux Monoplan Portatif

Chard

(Keith Chard)

• Chard Osprey

Chardon

(Francis Chardon)

• Chardon Monoplan 1922

Chase

(Chase Aircraft Company)

• Chase MS.1
• Chase MS.7
• Chase XCG-14
• Chase XCG-18
• Chase XCG-20

Chase-Sisley

(Robert Chase & Sisley)

• Chase-Sisley C100-S

Chilton

(Chilton Aircraft Ltd.)

• Chilton Cavalier
• Chilton Olympia

Chinese gliders

seeList of Chinese gliders

Chlup

(Jaromír Chlup / Dílny PO MLL Olomouc)

• Chlup CH-2 Duha I
• Chlup CH-2 Duha II

Chrzanowski

(Chrzanowski Secondary School)

• Chrzanowski 1912 glider^[6]

Chyeranovskii

(Boris Ivanovitch Chyeranovskii)

• Chyeranovskii BICh-1 Parabola
• Chyeranovskii BICh-02 Parabola (AVF-15)
• Chyeranovskii BICh-03
• Chyeranovskii BICh-08 Treugolnik
• Chyeranovskii BICh-09 Gnome
• Chyeranovskii BICh-11
• Chyeranovskii BICh-12
• Chyeranovskii BICh-12 Parabola
• Chyeranovskii BICh-13
• Chyeranovskii BICh-13 Triangle
• Chyeranovskii BICh-14
• Chyeranovskii BICh-18 Human-powered ornithopter also flown as a glider with wings locked
• Chyeranovskii BICh-22

Ciani

(Edgardo Ciani / SSVV – Sezioni Sperimentale di Volo a Vela Milano)

• Ciani EC 37/53 Spillo
• Ciani EC 38/56 Urendo
• Ciani EC 39/59 Uribel
• Ciani EC 40/62 Eventuale
• Ciani EC 41/64 Crib (Cribbio?)

Cijan

(Boris Cijan)

• Cijan BC-1 Galeb Boris Cijan / Letov
• Cijan BS-2 Galeb II
• Cijan BC-6 KOBAC: Yugoslav two-seater trainer for rough fields 1953 - Boris Cijan^[7]
• Cijan Orel Boris Cijan / Letov
• Cijan-Landsberg Skakavac Boris Cijan / Letov
• Cijan-Obad Orao IIC Boris Cijan / Letov
• Cijan-Obad Orao Boris Cijan / Letov
• Cijan-Obad Orao II (Eagle II)
• Cijan-Obad Orao IIC (Eagle IIC)
• Cijan-Stanko Meteor 57 – Ikarus Avijaticarski – Boris Cijan & Obad Stanko
• Cijan-Stanko Meteor 60 – Ikarus Avijaticarski – Boris Cijan & Obad Stanko

Civil Aviation Department of India

(Ministry of Civil Aviation (India) – Civil Aviation Department)

• Civil Aviation Department ATS-1 Ardhra
• Civil Aviation Department HS-1 Mrigasheer
• Civil Aviation Department HS-2 Mrigasheer
• Civil Aviation Department ITG-3
• Civil Aviation Department KS-1 Kartik
• Civil Aviation Department KS-2 Kartik
• Civil Aviation Department MG-1
• Civil Aviation Department Revathi
• Civil Aviation Department RG-1 Rohini
• Civil Aviation Department TS-2 Ashvini
• Civil Aviation Department TS-3 Ashvini
• Civil Aviation Department TS-4 Ashvini II
• Civil Aviation Department BS-1 Bharani

Clarke

(T W K Clarke & Co.)

• Clarke 1936 primary
• Clarke 1910 glider
• Clarke Popular
• Clarke-Chanute
• Clarke-Wright 1909 glider

Christopher

• Christopher AG-1

Chrzanowski

• Chrzanowski School Glider

Chrzanowskiego

• Chrzanowskiego 1912 glider

Chyliński

(Tadeusz Chyliński)

• Chyliński HWL Pegaz –

Clarkson

(F. Clarkson)

• Clarkson 1930 glider

Clavé

• Clavé Goéland

Clément

(P. Clément)

• Clément 1909 glider

Clément

(Louis Clément)

• Clément Triplan

Cloudcraft

(Cloudcraft Glider Co / Roger S. Dickson)

• Cloudcraft Dickson Primary
• Cloudcraft Junior
• Cloudcraft Phantom

Cody

(Samuel F.Cody)

• Cody n°1 glider

Colditz

(Colditz Prisoners)

• Colditz Cock

Collard-Piel

• Collard-Piel Compact

Corazzo

(Aldo Corazza)

• Corazza 1904 glider
• Corazza 1907 glider
• Corazza Aerocicloplano

Cordas

(A.C. Cordas)

• Cordas SCS-1

Cornelius

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

• Cornelius XFG-1
• Cornelius XBG-3

Cosandey

(Louis Cosandy & Alain Rocheblaye)

• Cosandey Pou Planeur
• Cosandy-Rocheblaye Pou P AR-1

Costǎchescu

(Traian Costǎchescu)

• Costǎchescu CT-2

Coupet-Guerchais

• Coupet-Guerchais glider

Cousin

(Joseph Cousin)

• Cousin 1909 glider
• Cousin Voilier

Coward

(Ken Coward)

• Coward Pacific D-8

CPV

(Centro Politecnico del Volo)

• CPV-1 Arlecchino

Cramlington

(Cramlington Aircraft Ltd.)

• Cramlington Cramcraft

Crown City

(Crown City Glider Club)

• Crown City Screaming Wiener

Cukurs

(Herberts Cukurs)

• Cukurs C-4 – Herberts Cukurs

Culver

(Irvin Culver)

• Culver Dingbat
• Culver Li'l Dogie
• Culver Rigid Midget
• Culver Screaming Wiener

Curtiss

(Glenn Curtiss)

• Curtiss Flying Boat glider

CVT

(Centro di Volo a Vela del Politecnico di Torino)

• CVT-1 Zigolo
• CVT-2 Veltro
• CVT-4 Strale
• CVT M-100
• CVT M-200
• CVT M-300

CVV

(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 - 1945 unbuilt project
• CVV 8 Bonaventura

CYPA

(Construcciones y Proyectos Aeronáuticos / Enrique CORBELLA, Francisco ARRANZ MONASTERIO & Miguel GUINEA)

• CYPA-14
• CYPA-19

Cywiński

• Cywiński Lublin I – First Polish Glider Contest August 1923
• Cywiński Lublin II – First Polish Glider Contest August 1923

Czarnecki

• Czarnecki-Wroński Ikar (Jan Czarnecki & Kazimierz WRÓNSKI)
• Czarnecki-Jasiński Czajka (Jan Czarnecki & Mieczysław JASIŃSKI)

Czechowski

(J. Czechowski)

• Czechowski Śpiesz się powoli (hasten slowly) No.11 – Second Polish Glider Contest 17 May – 15 June 1925

Czerwiński

(Wacław Czerwiński)

• Czerwiński CW I
• Czerwiński CW II
• Czerwiński CW III
• Czerwiński CW IV
• Czerwiński CW 5 bis
• Czerwiński CW 7
• Czerwiński CW 8
• Czerwiński and Jaworski CWJ
• Czerwiński PWS-101
• Czerwiński PWS-102 Rekin
• Czerwiński PWS-103
• Czerwiński WWS-1 Salamandra
• Czerwiński Sparrow – close copy of the W.W.S.1 Salamandra – de Havilland Aircraft Canada
• Czerwiński Robin – modified Sparrow – de Havilland Aircraft Canada
• Czerwiński WWS-2 Żaba
• Czerwiński WWS-3 Delfin
• Czerwiński-Jaworski ITS-II
• Czerwiński-Shenstone Harbinger – Beverley Shenstone and Waclaw Czerwiński
• Czerwiński-Shenstone UTG-1 Loudon – Étudiants de L'Université de Toronto

Czerwiński

(Sergiusz Czerwiński - no relation to Wacław Czerwiński)

• Czerwiński 1 (1911)
• Czerwiński 2 (1927)

Cycloplane

(Cycloplane Co Ltd )

• Cycloplane A-1^[8]
• Cycloplane C-1^[8][9]
• Cycloplane C-2^[8]