List of aircraft (Bf–Bo)

Boeing 200
Boeing 201 cabin monoplane
Boeing 202 XP-15
Boeing 203 two-seat sport/training aircraft (redesigned Model 81)
Boeing 204 four-seat flying boat (B1E)
Boeing 205 XF5B-1
Boeing 206 two-seat pursuit for US Army competition
Boeing 207 all-metal amphibian
Boeing 208 USN flying boat
Boeing 209 scaled down PB-1 (P2B-1)
Boeing 210 airliner version of Model 200
Boeing 211 light pursuit aircraft
Boeing 212 hypothetical US Army pursuit
Boeing 213
Boeing 214 Y1B-9
Boeing 215 YB-9
Boeing 216 bomber study
Boeing 217 bomber study
Boeing 218 redesigned P-12B with monocoque body
Boeing 219 preliminary pursuits (six models study)
Boeing 220 1000 hp pursuit with experimental Pratt & Whitney engine
Boeing 221 Model 200 modified for 4, 6, or 8 passengers
Boeing 222 (1931) P-12C
Boeing 222 tilt-prop project based on Mitsubishi Mu-2
Boeing 223 F4B-2
Boeing 224 internally braced monoplane pursuit
Boeing 225 pre-P-26 monoplane fighter project
Boeing 226 Model 80A conversion for Standard Oil
Boeing 227 P-12D
Boeing 228 as P-12D except with drawer-type ammunition boxes
Boeing 229 trimotor transport study
Boeing 230 cancelled; not used
Boeing 231 production version of Model 221 (5 passengers, lengthened fuselage)
Boeing 232 interception biplane fighter
Boeing 233 USN monoplane scout
Boeing 234 P-12E
Boeing 235 F4B-3
Boeing 236 XF6B
Boeing 237 Model 232 redesigned (for US Army maneuverable pursuit)
Boeing 238 trimotor monoplane transport study
Boeing 239 trimotor biplane transport study
Boeing 240 low-wing, internally braced monoplane pursuit study, US Army
Boeing 241 1000 hp biplane pursuit
Boeing 242 1000 hp monoplane pursuit
Boeing 243 twin-engine monoplane transport study (800 hp engine)
Boeing 244 redesigned Model 240
Boeing 245 redesigned Model 240 (mid-wing, externally braced)
Boeing 246 Y1B-9A
Boeing 247
Boeing 248 P-26
Boeing 249 USN speed - service parasol monoplane
Boeing 250 USN speed - low-wing monoplane
Boeing 251 P-12F
Boeing 252 biplane - USN speed design
Boeing 253 high-wing monoplane - USN speed design
Boeing 254 mid-wing, wire-braced monoplane - USN speed design
Boeing 255 low-wing, internally braced - USN speed design
Boeing 256 F4B-4 for Brazil
Boeing 257 new transport
Boeing 258 torpedo design study
Boeing 259 two-seat pursuit - geared 1535, US Army
Boeing 260 USN proposal - Spec. #112-3 - two-seat fighter
Boeing 261 F4B-5
Boeing 262 USN special VF small two-row biplane
Boeing 263 USN special VF small two-row high-wing monoplane
Boeing 264 P-29
Boeing 265 single-engine, two-seat fighter, US Army
Boeing 266 P-26
Boeing 267 export version for Brazil with F4B-3 fuselage and P-12E wings
Boeing 268 USN pursuit studies - biplane
Boeing 269 USN pursuit studies - biplane
Boeing 270 USN pursuit studies - biplane
Boeing 271 USN pursuit studies - biplane
Boeing 272 USN pursuit studies - monoplane
Boeing 273 USN pursuit studies - monoplane
Boeing 274 USN pursuit studies - monoplane
Boeing 275 USN pursuit studies - monoplane
Boeing 276 B-9B
Boeing 277 US Army special high-speed pursuit, Wasp Junior engine
Boeing 278 US Army special high-speed pursuit, GR-1535 engine
Boeing 279 US Army special high-speed pursuit, Wasp F engine
Boeing 280 original proposal for the 247
Boeing 281 P-26A for export
Boeing 282 USN single-engine carrier bomber
Boeing 283 single-engine mailplane
Boeing 284 twin-engine multi-seat fighter
Boeing 285 two-seat pursuit, US Army
Boeing 286 new US Army bomber - resembling the 247
Boeing 287 USN biplane fighter
Boeing 288 Y1B-9A for export
Boeing 289
Boeing 290 airliner for United Air Lines
Boeing 291 preliminary study - USN 2-seat scout - 1535 geared engine
Boeing 292 preliminary study - Army Corps observation - 1535 geared engine
Boeing 293 preliminary study - USN single-seat fighter - 1535 geared engine
Boeing 294 XBLR-1/XB-15
Boeing 295 US Army bomber
Boeing 296 USN single-seat fighter - proposed spec SD-112-5
Boeing 297 YP-29
Boeing 298
Boeing 299 XB-17
Boeing 299B YB-17
Boeing 299E/299M B-17B
Boeing 299F YB-17A
Boeing 299H B-17D
Boeing 299J proposed B-17 derivative with tricycle landing gear, shoulder-mounted wings and B-24 like fuselage
Boeing 299-O B-17E
Boeing 299P B-17F, B-17G
Boeing 299Z B-17G modified as a testbed for turboprops
Boeing 300 original proposal of the 307; basically a four-engine 247
Boeing 301 two-seat pursuit
Boeing 302 flying boat for US Navy
Boeing 303 P-12E except with SE engine and brazier head rivets in body
Boeing 304 as Model 303 but with the fabric covered steel tube fuselage of the P-12C
Boeing 305 VPB type - 4 engine USN flying boat
Boeing 306 tailless aircraft studies
Boeing 307
Boeing 308 six-seat inline air-cooled engine - transport study
Boeing 309
Boeing 310
Boeing 311
Boeing 312

Boeing 314
Boeing 315 VB-VT study
Boeing 316 XB-15 derived airliner project for KLM
Boeing 316B long-range heavy bomber derivative of the 316
Boeing 316D Y1B-20
Boeing 317 twin-engine trainer
Boeing 318 mid-wing monoplane transport
Boeing 319 patrol derivative of 314
Boeing 320 six-engine, twin-hull flying boat
Boeing 321 twin-engine patrol flying boat
Boeing 322 pressurized tricycle B-17, B-17 wings and tail; precursor of B-29
Boeing 323 four-engine passenger flying boat
Boeing 324 patrol derivative of the 314
Boeing 325 four-engine, high-wing transport
Boeing 326 pressurized six-engine transatlantic double-deck flying boat for Pan Am
Boeing 327 four-engine flying boat for Pan Am
Boeing 328 six-engine airliner for Pan Am
Boeing 329 twin-engine attack aircraft
Boeing 330 six-engine, very long range heavy bomber
Boeing 331 high-speed twin-engine attack aircraft with V-1710 engines
Boeing 332 high-speed twin-engine attack aircraft with V-3420 engines
Boeing 333 pre-B-29 project with V-1710 engines in push-pull pairs
Boeing 333A as 333 but with V-1710 engines in tractor configuration buried in the wing
Boeing 333B as 333A but with H-2420 engines in tractor configuration buried in the wing
Boeing 334 pressurized tricycle B-17
Boeing 334A improved 334
Boeing 335 single-engine observation aircraft for USN
Boeing 336 single-engine observation aircraft for USN
Boeing 337 twin-engine patrol flying boat
Boeing 338 single-engine fighter
Boeing 339 three-engine fighter
Boeing 340 twin-engine fighter
Boeing 341 pre-B-29 project; improved 334A with R-2800 engines
Boeing 342 twin-engine patrol utility amphibian
Boeing 343 twin-engine torpedo bomber
Boeing 344 XPBB Sea Ranger
Boeing 345 B-29
Boeing 345-2 B-50
Boeing 346 four-engine high-altitude, very long-range heavy bomber

Boeing 348 single-engine, high-wing monoplane fighter
Boeing 349 twin-engine dive bomber
Boeing 350 XPBB with four single-stage, two-speed R-2800 engines
Boeing 351 XPBB with four two-stage, two-speed R-2800 engines
Boeing 352 twin-engine carrier-based fighter with R-2000 engines
Boeing 353 XPBB with four single-stage, two-speed R-2600 engines
Boeing 354 XPBB with four two-stage, two-speed R-2600 engines
Boeing 355 XPBB with center wing tanks and armor
Boeing 356 twin-engine fighter for USAAC
Boeing 357 XPBB with four fuel tanks
Boeing 358 as 353 but without armor
Boeing 359 as 353 but with four fuel tanks
Boeing 360 (1941) four-engine, twin-boom, global range flying wing heavy bomber with pusher engines
Boeing 361 high-altitude, global range four-engine heavy bomber with R-4360 engines
Boeing 362 eight-engine, global range flying wing heavy bomber
Boeing 363 six-engine, twin-boom, blended wing body global range heavy bomber
Boeing 364 XPBB with two R-4360 engines
Boeing 365 four-engine, global range heavy bomber with pusher engines
Boeing 366 cargo/troop transport with 307 fuselage and B-17E wings
Boeing 367 C-97 Stratofreighter
Boeing 367-76 KC-97 Stratofreighter
Boeing 367-60 C-97 derivative with four T34 turboprops and gull wings
Boeing 367-64 C-97 derivative with four J57 turbojets in podded pairs and swept wings
Boeing 367-64-60 minelayer for USN with four J40 turbojets
Boeing 367-80
Boeing 367-86 two KC-97Gs with T34 turboprops
Boeing 368 carrier-based fighter studies
Boeing 369 high-altitude, pressurized version of the B-17
Boeing 370 as 365 but with four R-4360s in tractor configuration
Boeing 371 cargo version of the XPBB
Boeing 372 XPBB with two R-4360 engines
Boeing 373 (1942) six-engine global range heavy bomber with R-4360 engines
Boeing 374 twin-engine torpedo carrier, similar spec as the Grumman F7F
Boeing 375 single-engine carrier-based fighter
Boeing 376 (1942) single-engine carrier-based fighter
Boeing 377
Boeing 378 submarine patrol version of the AT-15
Boeing 379 unmanned radio-control torpedo armed version of the AT-15
Boeing 380 as 378 but with R-1830 engines
Boeing 381 four-engine cargo aircraft converted from B-17F; pre-XB-36 competition
Boeing 382 four-engine cargo flying boat converted from 314 series
Boeing 384 four-engine, long-range bomber project; B-29 derivative
Boeing 385 six-engine, long-range bomber project
Boeing 386 six-engine bomber
Boeing 390 fighter project, competitor of Vought F5U
Boeing 391 fighter project, competitor of Vought F5U
Boeing 396 fighter project, competitor of Vought F5U
Boeing 399 single-seat, pancake wing, tailless fighter project
Boeing 400 XF8B
Boeing 401 two-seat helicopter project
Boeing 404 six-engine pusher flying-wing bomber
Boeing 417 post World War II feeder liner design, never built
Boeing 424 pre-B-47 project: a B-29 with two turbojets in nacelles placed above (1943-44)
Boeing 431-16 high-wing transport project with two Pratt & Whitney Double Wasp engines
Boeing 431-16 high-wing transport project with Wright Cyclone engine
Boeing 432 pre-B-47 light bomber project: 4 jets in fuselage, engines on top of aft fuselage (1944)
Boeing 440
Boeing 448 initial B-47 project: swept-wing, 6 jets in fuselage (1945)
Boeing 449 jet interceptor project
Boeing 450 B-47
Boeing 451 YL-15
Boeing 452 B-47 variants
Boeing 454 USN jet fighter project
Boeing 455 USN night fighter project
Boeing 457 interceptor-fighter ramjet project
Boeing 458 competitor to the XP-92, project
Boeing 459 USN fighter project
Boeing 461 design involved in B-52 competition
Boeing 462 bomber project with propeller-driven engines; winner of B-52 design competition
Boeing 464 B-52 and all preliminary designs
Boeing 466 XP3B
Boeing 473 pre-707 airliner projects derived from B-47 and B-52
Boeing 474 first B-55 bomber project for USAF with four T40 engines
Boeing 479 second B-55 project for USAF
Boeing 481 bomber developed from B-52
Boeing 482 USN "penetration" fighter (OS-112)
Boeing 483 large jet bomber
Boeing 484 jet bomber
Boeing 486 seaplane fighter; Boeing's last flying boat
Boeing 490 ASW project competing with S2F; same wings and tail as XF8B
Boeing 495 USAF transport project competing with C-130