AS350 & H125
BA to B2 Conversion
SB number : AS350-01.90.61 (R49)
Applicable to version(s) : BA
The BA to B2 conversion has been developed to improve AS350 BA helicopter performance characteristics up to the AS350 B2 level.
This modification consists in replacing ARRIEL 1B™ engine by an ARRIEL 1D1™ engine.
The main modifications are:
- New engine ARRIEL 1D1™ engine.
- Tail boom modifications (including load compensator installation).
- New instrumentation.
- New demisting system.
- MGB/Engine link casing reinforcement (recommended).
Download as .pdf

On Request

On Request

On Request

Benefits

  • Increased MTOW by 150 kg (331 lbs).
  • Increased payload (+ 55 kg / 118 lbs) and sling load (+ 350 kg / 766 lbs).
  • Better take-off rate of climb (at 1800 kg / 3974 lbs : up to + 335 ft/min).
  • Higher operational performance for aerial work.
  • Increased power margins and NG synthetic presentation for pilot workload reduction.
  • No addictional aircraft maintenance.
  • Increased aircraft value.
INSTALLATION TIME
QUALIFICATION INSTALLATION DURATION
Airframe, Electrical On Request
Airframe, Systems On Request

ADDITIONAL INFORMATION : Given the complexity of this Service bulletin, please contact your usual commercial point of contact for additional information.

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