Curtiss XP-18 Canceled biplane fighter project The Curtiss XP-18 was ordered in 1930 and was to have been a single-seat biplane powered by a Wright IV-1560 engine. The design was cancelled before Curtiss constructed any.[1] References[edit] ^ Fahey, James C.,US Army Aircraft 1908-1946, 1946, Ships and Aircraft, New York. vteCurtiss and Curtiss-Wright aircraftManufacturer designationsEarly types Golden Flier Reims Racer Beachey Special Model letters C D E F FL GS H HA HS J JN -5 -6H K L MF N NC O R S T Model numbers 1 B F 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 K/P 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 A B 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 I P S 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 "L" series L-17 L-18 L-19 L-22 L-41 L-44 L-72 L-79 L-85 L-115 L-117 L-710 "CA" series CA-1 "CR" series CR-1 CR-2 "CW" series CW-1 CW-2 CW-3 CW-4 CW-5 CW-6 CW-8 CW-9 CW-10 CW-11 CW-12 CW-14 CW-15 CW-16 CW-17 CW-182 CW-19 CW-20 CW-21 CW-22 CW-23 CW-24 CW-25 CW-26 CW-27 CW-28 CW-29 CW-32 CW-33 CW-40 "P" series P-200 P-202 P-212 P-218 P-219 P-222 P-223 P-224 P-225 P-227 P-228 P-229 P-232 P-235 P-238 P-239 P-240 P-241 P-243 P-244 P-245 P-247 P-248 P-249 P-250 P-251 P-252 P-253 P-254 P-255 P-256 P-257 P-259 P-261 P-264 P-268 P-269 P-272 P-273 P-274 P-275 P-276 P-277 P-278 P-279 P-280 P-282 P-283 P-291 P-292 P-293 P-295 P-296 P-297 P-298 P-299 P-302 P-303 P-304 P-305 P-306 P-307 P-509 P-517 P-518 P-538 P-539 P-541 P-545 P-551 P-558 P-565 P-586 P-588 P-592 "X" series X-100 X-200 X-300 X-410 X-425 Operator and roleCivilExperimental No. 1 Model C SX-5-1 Tanager Racers and record No. 2 Cox Racer CW-B-14R Airliners Eagle Condor 18 Condor II Kingbird Thrush Commando Utility Model D Model E Model F Carrier Pigeon Falcon Robin Lark 6B CW-12 CW-14 Sportsman CW-15 Sedan CW-16 CW-19W Army Ground attack A-3 A-4 A-5 A-6 A-8 YA-10 A-12 YA-14 A-18 A-25 A-40 XA-43 Bombers NBS-1 B-2 XNBS-4 Transports XC-10 C-30 Condor C-46 Commando C-55 Commando C-76 C-113 Commando Fighters S 18 PN-1 PW-8 P-1 to P-5 P-6 XP-10 P-11 P-142 P-17 XP-182 XP-192 YP-20 XP-21 XP-22 XP-23 XP-31 P-36 YP-37 P-40 XP-42 XP-46 XP-53 XP-55 YP-60 XP-62 XP-71 XP-87 Observation O-1 O-11 O-12 O-13 O-16 O-18 O-242 O-26 XO-302 O-39 O-40 O-52 Racers R-6 R-8 Trainers J L JN Fledgling AT-4 Hawk AT-5 Hawk BT-4 AT-9 Jeep Experimental X-19 Licensed USAO-1 NBS-1/Model 30 NavyBombers CT BFC BF2C SBC SB2C XSB3C2 XBTC XBT2C Fighters HA GS TS-1 FC F2C F3C F4C F5C1 F6C F7C F8C F9C F10C F11C XF12C F13C XF14C XF15C Observation/scout CS/SC S2C XS3C S4C SC OC O2C O3C SOC SO2C SO3C Trainers N-9 N2C SNC Transports RC R4C R5C Maritime patrol H-16 F5L HS-1L & HS-2L Racers and record NC CR R2C R3C ExportBombers Canada CW-14 Osprey Maritime patrol H-2, H-4, H-8 and H-16 F5L HS-2L Fighters CW-17 Pursuit Osprey2 CW-21 Demon Trainers Canuck CW-14 Osprey CW-16 CW-182 CW-22 1 Designation skipped 2 Not built vteUSAAS/USAAC/USAAF/USAF fighter designations 1924–1962, and Tri-Service post-1962 systems1924 sequences(1924–1962)Pursuit (1924–1948) P-1 P-2 P-3 P-43 Curtiss P-4 Boeing P-4 P-5 P-6 P-7 P-8 P-9 P-10 P-11 P-12 P-13 P-14 P-15 P-16 P-17 P-18 P-19 P-20 P-21 P-22 P-23 P-24 P-25 P-26 P-27 P-28 P-29 P-30 P-31 P-32 P-33 P-34 P-35 P-36 P-37 P-38 P-39 P-39E P-40 P-41 P-42 P-43 P-44 P-45 P-46 P-47 P-48 P-49 P-50 P-51 P-52 P-53 P-54 P-55 P-56 P-57 P-58 P-593 XP-59 P-59 P-60 P-61 P-62 P-63 P-64 P-65 P-66 P-67 P-68 P-69 P-70 P-71 P-72 P-732 P-741 P-75 P-76 P-77 P-78 P-79 P-80 P-81 P-82 P-83 P-84 P-85 P-86 P-87 P-88 P-89 P-90 P-91 P-92 Fighter (1948–1962) F-38 F-39 F-40 F-47 F-51 F-59 F-61 RF-61C F-63 F-80 F-81 F-82 F-83 F-84 F-84F/J F-84H F-85 F-86 F-86C F-86D/G/K/L F-87 F-88 F-89 F-90 F-91 F-92 F-93 F-94 F-95 F-96 F-97 F-98 F-99 F-100 F-100B F-101 F-102 F-102B F-103 F-104 XF-104 F-104S NF-104A F-105 F-1063 XF-106 F-106 F-107 F-108 F-1092 F-110 F-111 F-111B F-111C F-111K AFTI/F-111A EF-111A Pursuit, Biplace PB-1 PB-2 PB-3 Fighter, Multiplace FM-1 FM-2 Non-sequential F-24 P-322 P-400 Tri-service sequence(1962–present)Main sequence F-1 F-1C/D F-1E/F F-2 F-3 F-4 F-4K/M F-5 G F-6 F-7 F-8 F-9 F-9F–J F-10 F-11 F-12 F-12C2 F-131 F-14 F-15 F-15E F-15EX F-15J F-15 STOL/MTD F-16 F-16XL NF-16D F-17 F/A-18 F/A-18E/F EA-18G F-191 F-20 F-21 F-22 YF-22 FB-22 F-23 Non-sequential F-35 F-35I X-35 F-117 Covert designations YF-110 YF-110B/D YF-110C YF-113 (I) YF-113A YF-113 (II) YF-113B/D YF-113 (III) YF-113C YF-114 YF-114C/D YF-117 YF-117A YF-117D YF-118 Related designations FV-12 1 Not assigned • 2 Unofficial • 3 Assigned to multiple typesSee also: "F-19" • 1919-1924 sequence This aircraft of the 1930s article is a stub. You can help Wikipedia by expanding it.vte