Bell 206
1962 · Single-engine turbine helicopter
Developed for the 1960s U.S. Army Light Observation Helicopter (LOH) program as the YOH-4, the Bell 206 failed to win the contract. Bell redesigned the airframe and successfully marketed the aircraft commercially. The new design was eventually selected by the military as the OH-57/OH-58 Kiowa series. As of 2012, more than 6,300 Bell 206s, including all variants, had been delivered since production began in 1967.
Bell 206A : Intial production variant powered by Allison 250-C18
Bell 206B : Allison 250-C20
Bell 206B-3 : Allison 250-C20J
Bell 206L : Stretched, 7-seat, Allison 250-C20B
Bell 206L-1 : Allison 250-C28
Bell 206L-3 : Allison 250-C30P
Bell 206L-4 : transmission upgrade
Bell 206LT : twin engine conversions
Bell 206A : Intial production variant powered by Allison 250-C18
Bell 206B : Allison 250-C20
Bell 206B-3 : Allison 250-C20J
Bell 206L : Stretched, 7-seat, Allison 250-C20B
Bell 206L-1 : Allison 250-C28
Bell 206L-3 : Allison 250-C30P
Bell 206L-4 : transmission upgrade
Bell 206LT : twin engine conversions
Derivatives & Versions
| 206 Prototype / YOH-4 | 1962 | The Bell 206 prototype originated as the Model D-250 / YOH-4, developed in the early 1960s for the U. |
| D-250 / YHO-4 | 1962 | Prototype Light Observation Helicopter for US Army competition. |
| 206A | 1966 | First production model of Bell 206 helicopter. |
| 206B Jet Ranger | 1967 | |
| → AB206 | 1967 | Production at 31 December 1997 totalled 910 ( 556 JetRanger IIs, 184 JetRanger IIIs and 170 AB 206A-1 military derivatives ) |
| OH-58A Kiowa | 1968 | |
| TH-57A Sea Ranger | 1968 | |
| 206B-2 Jet Ranger | 1970 | |
| CH-136 Kiowa | 1971 | OH-58A Kiowa in canadian service |
| OH-58B Kiowa | 1972 | |
| → ca-32 kiowa | 1973 | This was a licence-built Bell 206 Kiowa, with the first wholly Australian built airframe rolled out in Mar 1973. |
| 206L Long Ranger | 1974 | |
| OH-58C Kiowa | 1976 | The OH-58C is an upgrade of the OH-58A. |
| 206B-3 Jet Ranger | 1977 | |
| 206L-1 Long Ranger | 1977 | |
| CH-139 Jet Ranger | 1981 | TH-57 trainer in canadian service |
| 206L-3 Long Ranger | 1982 | |
| TH-57C Sea Ranger | 1982 | |
| OH-58D Kiowa Warrior | 1983 | The Bell 406 resulted from the US Army Helicopter Improvement Program (AHIP). |
| TH-57B Sea Ranger | 1986 | |
| 206L-4 Long Ranger | 1992 | Introduced in 1992, the Bell 206L-4 LongRanger IV was the final and most advanced production variant of the LongRanger family. |
| TH-67A Creek | 1992 | The Bell 206B-3 was the winner of the 1993 US Army's New Training Helicopter ( NTH ) competition. |
| 206LT Twin Ranger | 1993 | |
| → 407 | 1995 | The Bell 407 is a four-blade, single-engine, civilian utility helicopter. |
| → OH-58A | 2006 | |
| OH-58F Kiowa Warrior | 2012 | The US Army launched the Cockpit and Sensor Upgrade Program (CASUP) to replace the OH-58D. |
Airframes (5183)
| C/N | Model | Built | Reg | |
|---|---|---|---|---|
| 372 | 206a | 1969 |  N1443W | |
| 3720 | th-57c | 162040 | ||
| 3721 | th-57c | 162041 | E-77 | |
| 3722 | th-57c | 162042 | ||
| 3723 | th-57c | 162015 | E-51 | |
| 3724 | th-57c | 162043 | E-79 | |
| 3725 | th-57c | 162044 | ||
| 3726 | th-57c | 162016 | ||
| 3727 | th-57c | 162052 | ||
| 3728 | th-57c | 162055 N62655 | ||
| 3729 | th-57c | 162053 | ||
| 373 | 206a | 1969 | N1430W | |
| 3730 | th-57c | 162054 | ||
| 3731 | th-57c | 162056 | ||
| 3732 | th-57c | 162057 | ||
| 3733 | th-57c | 162058 | ||
| 3734 | th-57c | 162059 | ||
| 3735 | th-57c | 162060 | ||
| 3736 | th-57c | 162061 | ||
| 3737 | th-57c | 162062 | ||
| 3738 | th-57c | 162063 | ||
| 3739 | th-57c | 162064 | ||
| 374 | 206a | 1969 | N1431W | |
| 3740 | th-57c | 162065 | ||
| 3741 | th-57c | 162066 | E102 | |
| 3742 | th-57c | 162067 | ||
| 3745 | 206b-3 | 1983 | CS-HDN G-HEBE 5H-MWK 5Y-MWK | |
| 3747 | th-57c | 162666 | E-104 | |
| 3748 | th-57c | 162667 | ||
| 375 | 206a | 1969 | N1444W |
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