Bell Textron

Bell designed its Model 204 in response to a 1955 United States Army requirement for a utility helicopter.

The Bell 207 Sioux Scout is a modified Bell 47 helicopter, developed by Bell Helicopter under contract from the United States Army, as a proof-of-concept demonstrator for the Bell D-255 helicopter gunship design

The Bell 214 is a medium-lift helicopter derived from Bell Helicopter's prolific UH-1 Huey series.

The Bell 214ST is a medium-lift, twin-engine helicopter descended from Bell Helicopter's ubiquitous UH-1 Huey series.

The Bell 222 is an American twin-engine light helicopter built by Bell Helicopter.

The Bell Model 309 KingCobra was an experimental attack helicopter developed by Bell Helicopter, based on the Bell AH-1 Cobra.

Bell has since announced it is developing the 360 with Collins Aerospace

The Bell 400 TwinRanger was a prototype four-bladed, twin-engine civil helicopter developed by Bell Helicopter in the 1980s.

In 1993, Bell began the development of the New Light Aircraft as a replacement for its Model 206 series.

The Bell 412 is a utility helicopter of the Huey family manufactured by Bell Helicopter.

The Bell 427 is a twin-engine, multirole, light utility helicopter designed and manufactured by Bell Helicopter and Samsung Aerospace Industries (now Korea Aerospace Industries).

The Bell 429 GlobalRanger is a light, twin-engine helicopter developed by Bell Helicopter and Korea Aerospace Industries.

The Bell 430 is an American/Canadian twin-engine light-medium helicopter built by Bell Helicopter.

The Bell 505 Jet Ranger X (JRX) is an American/Canadian light helicopter developed and manufactured by Bell Helicopter.

The Bell 525 Relentless is an American super-medium-lift helicopter, under development by Bell Textron.

The Bell 533 was a research helicopter built by Bell Helicopter under contract with the United States Army during the 1960s

The Bell AH-1 SuperCobra is a twin-engined attack helicopter that was developed on behalf of, and primarily operated by, the United States Marine Corps

The Bell AH-1Z Viper is a twin-engine attack helicopter, based on the AH-1W SuperCobra, designed and produced by the American aerospace manufacturer Bell Helicopter.

Bell's ARH demonstrator, a modified Bell 407 (s/n 53343/N91796), first flew on 3 June 2005.

The Bell Boeing Quad TiltRotor (QTR) is a proposed four-rotor derivative of the Bell Boeing V-22 Osprey developed jointly by Bell Helicopter and Boeing.

The Bell CH-146 Griffon is a multi-role utility helicopter designed by Bell Helicopter Textron as a variant of the Bell 412EP for the Canadian Armed Forces.

The Bell D-292 was an American experimental helicopter developed by Bell Helicopters for the United States Army Advanced Composite Airframe Program (ACAP), as part of the studies involved in the Light Helicopter Experimental (LHX) program.

The Bell Helicopter Eagle Eye is an American tiltrotor unmanned aerial vehicle that was offered as one of the competitors in the United States Navy

The Bell FCX-001 is an American conceptual helicopter design proposed by Bell Helicopter.

The Bell H-13 Sioux is an American single-engine light helicopter built and produced by Bell Helicopter for the military and licence-produced by Westland Aircraft for the British military as the Sioux AH.1 and HT.2.

The Bell MV-75 Cheyenne II is a tiltrotor aircraft being developed by Bell for the United States Army's Future Vertical Lift (FVL) program.

It was produced by the American manufacturer Bell Helicopter and is closely related to the Model 206A JetRanger civilian helicopter.

The Bell UH-1N Twin Huey is a medium military helicopter designed and produced by the American aerospace manufacturer Bell Helicopter.

The Bell UH-1Y Venom (also called Super Huey) is a twin-engine, 4-blade, medium-sized utility helicopter built by Bell Textron under the H-1 upgrade program of the United States Marine Corps.

The Bell V-247 Vigilant is a concept by Bell Helicopter to develop a large tiltrotor unmanned aerial vehicle.

The Bell Helicopter design, which is called the V-280 Valor, is an advanced tilt-rotor design that is based upon technology similar to the Bell-Boeing V-22 Osprey.

The Bell Wing Ding was a 1960s compound helicopter built by Bell Helicopter.

The Bell XH-15 (Bell Model 54) was an American two-seat utility helicopter designed and built by Bell Helicopter, to meet a requirement for a liaison and utility helicopter for the United States Army and United States Air Force.

After a review of both proposals, NASA selected the Bell 301 for further development, and a contract for further R&D was issued on 31 July 1973.

The Bell entry, the Model 409 (YAH-63), was by no means "just another Cobra design" though it utilized Cobra technology where possible.

Bell produced five prototypes of the D-250, as Model 206, in 1962, the first prototype making its maiden flight on 8 December 1962.