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 | |
|---|---|---|---|---|
| 496 | 206a |  33 | ||
| 497 | 206a | 34 | ||
| 498 | 206a | 1970 | N2299W N123SD | |
| 499 | 206a |  C-GOKJ | ||
| 5 | yoh-4 | 1962 |  62-4203 | |
| 50 | 206a | 1967 | N7850S N7850S | |
| 500 | 206a | N44BC N144BC C-GWPM | ||
| 5001 | th-57a | 157355  FAE-401 | ||
| 5002 | th-57a | 157356 | ||
| 5003 | th-57a | 157357 | ||
| 5004 | th-57a | 157358 FAE-402 | ||
| 5005 | th-57a | 157359 FAE-403 | ||
| 5006 | th-57a | 157360 FAE-404 | ||
| 5007 | th-57a | 157361 | ||
| 5008 | th-57a | 157362 | ||
| 5009 | th-57a | 157363 | ||
| 501 | 206a | 1970 | N8104J | |
| 5010 | th-57a | 157364 | ||
| 5011 | th-57a | 157365  ARV-0503 | ||
| 5012 | th-57a | 157366 | ||
| 5013 | th-57a | 157367 HN-313 | ||
| 5014 | th-57a | 157368 FAE-405 | ||
| 5015 | th-57a | 157369 FAE-406 | ||
| 5016 | th-57a | 157370 ach? | ||
| 5017 | th-57a | 157371 FAE-407 | ||
| 5018 | th-57a | 157372 | ||
| 5019 | th-57a | 157373 | ||
| 502 | 206a | 1970 | D-HKLW HB-XMX | |
| 5020 | th-57a | 157374 FAE-408 | ||
| 5021 | th-57a | 157375 |
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