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 | |
|---|---|---|---|---|
| 3693 | th-57c |  162049 | ||
| 3694 | th-57c | 162050 | ||
| 3695 | th-57c | 162051 | ||
| 3696 | th-57c | 162017 | ||
| 3697 | th-57c | 162018 | ||
| 3698 | th-57c | 162019 | ||
| 3699 | th-57c | 162020 | ||
| 37 | 206a | 1967 | N7837S HC-BFD | |
| 370 | 206a | N4751R | ||
| 3700 | th-57c | 162021 | ||
| 3701 | th-57c | 162022 | ||
| 3702 | th-57c | 162023 | ||
| 3703 | th-57c | 162024 | ||
| 3704 | th-57c | 162025 | ||
| 3705 | th-57c | 162026 | ||
| 3706 | th-57c | 162027 | E-63 | |
| 3707 | th-57c | 162028 | ||
| 3708 | th-57c | 162029 | ||
| 3709 | th-57c | 162030 | ||
| 371 | 206a | CF-ADA C-FADA N411FH C-GZBL | ||
| 3710 | th-57c | 162031 | ||
| 3711 | th-57c | 162032 | ||
| 3712 | th-57c | 162033 | ||
| 3713 | th-57c | 162034 | ||
| 3714 | th-57c | 162035 | ||
| 3715 | th-57c | 162036 | ||
| 3716 | th-57c | 162014 | ||
| 3717 | th-57c | 162037 | ||
| 3718 | th-57c | 162038 | ||
| 3719 | th-57c | 162039 |
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