The Bo 105 is a light, twin-engine, multi-purpose utility helicopter developed by Bolkow in late 1960s and enter production in 1970 by the recently merged Messerschmitt Bolkow Blohm (MBB) which became a part of Eurocopter in 1991. Bo105 production continue until 2001 when it was replaced by the
ec135. 1500 units built.
The Bo105 introduced a revolutionary hingeless rotor system, a pioneering innovation for helicopters.
| Model | Year | History |
| Bo105A | 1966 | The first prototype never flew, when in August 1966 damaged when taxiing. First flight with second prototype bo105a was 16feb67. 
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| Bo105B | 1967 | third prototype with engine from MAN, first flight dec67.
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| Bo105C | 1972 | Initial verstion powered by 2 Allison 250-C20 turbine engines
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| Bo105D | 1973 | UK certified offshore version
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| Bo105CB | 1975 | Powered by 2 Allison 250-C20B turbine engines
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 IPTN nbo105 | 1976 | Licence built in Indonesia. C/N used prefix N. Airframes listed under MBB Bo.105.
100 NBo.105CB
23 NBo.105CBS
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| NBo105CB | 1976 | Bo.105CB built under license by IPTN in Indonesia
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| Bo105CB-2 | 1977 | |
| Bo105CBS | 1977 | Fuselage stretched by 30 cm
They started with the stretched version in 1975. The production started from 1977
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| Bo105CBS-2 | 1977 | |
| Bo105M | 1979 | VBH ( Verbindungshubschrauber; 'connection chopper') a light transport and surveillance helicopter for German Army
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| CASA bo 105 | 1980 | Assembled in Spain. C/N used prefix S-4. Airframes listed under MBB Bo.105
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| Bo105P PAH-1 | 1980 | Panzerabwehrhubschrauber ( german for Tank-defence helicopter ) for the West German Army in the Cold War as a mean to face a Warsaw Pact tank inv ...
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| Bo105S | 1980 | Evolution from the Bo 105 C, with extended fuselage and new powerfull engines. Reinforced Main Transmision. Engines: Detroit Diesel Allison 250 - ...
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| Bo105LS | 1981 | The LS stands Lift and Streched. Same fuselage as the CBS. This helicopter is for larger height be flown. Only a couple built in Germany, the mos ...
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| Bo105CB-3 | 1985 | |
| Bo105CB-4 | 1985 | |
| Bo105CBS-4 | 1985 | |
| Bo105DBS-4 | 1989 | |
| Bo105CB-5 | 1990 | |
| Bo105CBS-5 | 1990 | |
| Bo105E-4 | 2006 | Upgrades of former german Bo.105P to be donated to
Albania
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50 years since the Bo105 maiden flight on 16 February 1967 in Ottobrunn near Munich
