ED Decision 2018/007/R
If operating rules allow, and only certification for emergency
flotation equipment is requested by the applicant, the rotorcraft must be
designed as follows:
(a) The
rotorcraft must be equipped with an approved emergency flotation system.
(b) The
flotation units of the emergency flotation system, and their attachments to
the rotorcraft, must comply with CS
27.563.
(c) The
rotorcraft must be shown to resist capsize in the sea conditions selected by
the applicant. The probability of capsizing in a 5-minute exposure to the sea
conditions must be demonstrated to be less than or equal to 10.0 % with a
fully serviceable emergency flotation system, with 95 %
confidence. No demonstration of capsize resistance is required for the case of
the critical float compartment having failed.
Allowances must be made for probable structural damage and leakage.
[Amdt
No: 27/5]
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