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In which category or class does a helicopter with no guaranteed ability to continue its flight in the event of an engine failure belong to?

  • A
    Category A
  • B

    Performance Class 1

  • C

    Performance Class 2

  • D
    Category B

According to COMMISSION REGULATION (EU) No 965/2012 - ANNEX I - Definitions:

1. Category B with respect to helicopters means a single-engined or multi-engined helicopter that does not meet category A standards. Category B helicopters have no guaranteed capability to continue safe flight in the event of an engine failure, and unscheduled landing is assumed.

2. Category A with respect to helicopters means a multi-engined helicopter designed with engine and system isolation features specified in the applicable airworthiness codes and capable of operations using take-off and landing data scheduled under a critical engine failure concept that assures adequate designated surface area and adequate performance capability for continued safe flight or safe rejected take-off in the event of engine failure.

NOTES:

  • Helicopters operated in Performance Class 1 shall be certified in Category A or equivalent as determined by the Agency.
  • Helicopters operated in Performance Class 2 shall be certified in Category A or equivalent as determined by the Agency.
  • Helicopters operated in Performance Class 3 shall be certified in Category A or equivalent as determined by the Agency, or Category B.

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