Model Variants (Including Prototypes)
BO 105A - Initial Production Model; fitted with 2 x Allison 250-C18 turbine engines.
BO 105C - Fitted with 2 x Allison 250-C20 engines.
BO 105CB - Fitted with 2 x Allison 250-C20B
BO 105CBS - Lengthened fuselage; medical service variant.
BO 105 LS - Built under Eurocopter Canada label; fitted with Rolls-Royce (Allison) 250-C28C engines.
BO 105 LS A1 - Lengthened fuselage; 2 x Allison 250-C28C turbine engines.
BO 105 LS A3 - Increase to maximum take-off weight.
BO 105LS A3 - "Super Lifter" Heavy Lift Variant; maximum take-off weight increased.
BO 105P - Anti-tank Variant for military usage; 2 x HOT AT AGM systems.
PAH-1 - Army Designation for BO 105P model
PAH-1A1 - Army Designation for BO 105P model
BO 105M - Light Transport and Observation Platform.
VBH - Army Designation for BO 105M model
NBO-105 - Lengthened fuselage; built under license by IPTN.
NBO-105 CB - Original Designation for NBO-105 model series.
NBO-105 CBS - Original Designation for NBO-105 stretched model.
BO 105 - "Executive" model; produced under Carson Helicopters label for attempted US commercial application; stretched fuselage.
BO 105E-4 - Converted Bo 105P models for Albanian export.