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 | |
|---|---|---|---|---|
| 42164 | oh-58a |  73-21898 N911MG | ||
| 42165 | oh-58a | 73-21899 N519P | ||
| 42166 | oh-58a | 73-21900 | ||
| 42167 | oh-58a | 73-21901 N531AZ N377SD | ||
| 42168 | oh-58a | 73-21902 | ||
| 42169 | oh-58a | 73-21903 | ||
| 4217 | 206b-3 | 1991 | N206TH N206TH N888LB N988LB | |
| 42170 | oh-58a | 73-21904 | ||
| 42171 | oh-58a | 73-21905 | ||
| 42172 | oh-58a | 73-21906 N12NP | ||
| 42173 | oh-58a | 73-21907 | ||
| 42174 | oh-58a | 73-21908 | ||
| 42175 | oh-58a | 73-21909 N911FH | ||
| 42176 | oh-58a | 73-21910 | ||
| 42177 | oh-58a | 73-21911 | ||
| 42178 | oh-58a | 73-21912 N281SP | ||
| 42179 | oh-58a | 73-21913 | ||
| 42180 | oh-58a | 73-21914 | ||
| 42181 | oh-58a | 73-21915 | ||
| 42182 | oh-58a | 73-21916 | ||
| 42183 | oh-58a | 73-21917 | ||
| 42184 | oh-58a | 73-21918 | ||
| 42185 | oh-58a | 73-21919 | ||
| 42186 | oh-58a | 73-21920 | ||
| 42187 | oh-58a | 73-21921 N158LE | ||
| 42188 | oh-58a | 73-21922 N703MP | ||
| 42189 | oh-58a | 73-21923 | ||
| 42190 | oh-58a | 73-21924 | ||
| 42191 | oh-58a | 73-21925 | ||
| 42192 | oh-58a | 73-21926 |
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