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 | |
|---|---|---|---|---|
| 41478 | oh-58a | 1971 |  71-20617 N992YC N992YC | |
| 41479 | oh-58a | 71-20618 | ||
| 41480 | oh-58a | 71-20619 | ||
| 41481 | oh-58a | 71-20620 N114FC | ||
| 41482 | oh-58a | 71-20621 | ||
| 41483 | oh-58a | 71-20622 N910SL | ||
| 41484 | oh-58a | 71-20623 | ||
| 41485 | oh-58a | 71-20624 | ||
| 41486 | oh-58a | 71-20625 N121BX | ||
| 41487 | oh-58a | 71-20626 | ||
| 41488 | oh-58a | 71-20627 | ||
| 41489 | oh-58a | 71-20628 | ||
| 41490 | oh-58a | 71-20629 N120BX | ||
| 41491 | oh-58a | 71-20630 N258LE | ||
| 41492 | oh-58a | 1971 | 71-20631 N524RA N558SP | |
| 41493 | oh-58a | 71-20632 | ||
| 41494 | oh-58a | 71-20633 | ||
| 41495 | oh-58a | 71-20634 | ||
| 41496 | oh-58a | 71-20635 | ||
| 41497 | oh-58a | 71-20636 | ||
| 41498 | oh-58a | 71-20637 | ||
| 41499 | oh-58a | 71-20638 | ||
| 415 | 206a | VH-AHJ | ||
| 41500 | oh-58a | 71-20639 | ||
| 41501 | oh-58a | 71-20640 | ||
| 41502 | oh-58a | 71-20641 | ||
| 41503 | oh-58a | 71-20642 | ||
| 41504 | oh-58a | 71-20643 | ||
| 41505 | oh-58a | 71-20644 | ||
| 41506 | oh-58a | 71-20645 |
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