Airbus Helicopters (MBB) Bo 105 History

The Airbus Helicopters (formerly Eurocopter / MBB) Bo 105 is a light utility helicopter system known worldwide for its versatility, performance and safety. Since its introduction in the early 1970s, this product has served (and continues to serve) in both military and civilian environments.

Operators are seen around the world providing general transport, reconnaissance, assessment and anti-tank (AT) functions on the battlefield. Militarized versions can be fitted with HOT and HOT-2 (or similar) anti-tank missile systems to provide a lethal and proficient battlefield solution.

The Bo 105 was flown as a prototype on 16 February 1967, and two more prototypes were subsequently built. The aircraft is equipped with two Allison 250-C18 turboshaft engines that drive its four-blade main rotor and two-blade tail rotor.

As the project progressed, composite main blade assemblies were introduced and the Allison engines were replaced with 2 x MAN-Turbo 6022 series units. By the time of the second pre-production aircraft, the series again used Allison 250 series engines.

After production started in 1967, it entered service in 1970 and by 2001 production of around 1,500 helicopters (from Messerschmitt-Bolkow-Blohm - "MBB") was recorded. The first models to enter service were the Bo 105A and Bo 105C, the latter appearing in 1972 and powered by the Allison 250-C20 engine. The Bo 105Cb doubles as a light observation and utility transport and appeared in 1976 with the -C20B engine. The Bo 105CBS becomes a stretch transport model.

Other specialized forms soon emerged, including the British Bo 105D model for offshore platform operations, the Spanish Army's Bo 105ATH anti-tank helicopter, and the Bo 105MSS maritime patrol system (with search radar).

Bo 105 continues to play a role in the front lines of various military, political and cultural circles. Military personnel range from Albania and Bahrain to Sudan and Uruguay.

The West German army became one of the largest military operators of helicopters, adopted by hundreds with the available reconnaissance and anti-tank masks. Police services in Argentina, Canada, Chile, Germany, the Netherlands, South Africa and Spain were also mentioned.

Some armed forces, including the NYPD, have retired their fleets of Bo 105 helicopters.

Fewer than 700 Bo 105 helicopters are flying today and the product has been replaced by the updated EC 145 in Eurocopter. The Eurocopter name has now given way to the Airbus Helicopters brand label.

Airbus Helicopters (MBB) Bo 105 Specification

BASICS

Year:
1970
Status:
Active, In-Service
Crew:
2

MANUFACTURING

[ 1,500 Units ] :
Messerschmitt-Bolkow-Blohm (MBB) / Airbus Helicopters (Eurocopter) - West Germany / Germany

ROLES

- Ground Attack

- Close-Air Support (CAS)

- Reconnaissance (RECCE)

DIMENSIONS

Length:

38. 91 ft (11. 86 m)

Width/Span:

32. 28 ft (9. 84 m)

Height:

9. 84 ft (3 m)

WEIGHTS

Empty Weight:

2,822 lb (1,280 kg)

MTOW:

5,291 lb (2,400 kg)

(Diff: +2,469lb)

POWER

2 x Allison 250-C20B turboshaft engines, each producing 420 shaft horsepower, driving a four-blade main rotor and a two-blade tail rotor.

PERFORMANCE

Maximum Speed:

152 mph (245 kph; 132 kts)

Service Ceiling:

16,998 feet (5,181 m; 3. 22 miles)

Maximum Range:

407 miles (655 km; 354 nm)

Rate-of-Climb:

1,773 ft/min (540 m/min)

ARMAMENT

Typically unarmed. Military variants outfitted with 6 x Euromissile HOT / HOT 2 OR 8 x BGM-71 TOW Anti-Tank Guided Missiles (ATGMs).

VARIANTS

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.

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