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ANNEX IVU.K.COMMERCIAL AIR TRANSPORT OPERATIONS[PART-CAT]

SUBPART DINSTRUMENTS, DATA, EQUIPMENTU.K.

SECTION 1U.K.Aeroplanes

CAT.IDE.A.230First-aid oxygenU.K.
(a)Pressurised aeroplanes operated at pressure altitudes above 25 000 ft, in the case of operations for which a cabin crew member is required, shall be equipped with a supply of undiluted oxygen for passengers who, for physiological reasons, might require oxygen following a cabin depressurisation.U.K.
[F1(b) The oxygen supply referred to in (a) shall be sufficient for the remainder of the flight after cabin depressurisation when the cabin altitude exceeds 8 000 ft but does not exceed 15 000 ft, for at least 2 % of the passengers carried, but in no case for less than one person.] U.K.
(c)There shall be a sufficient number of dispensing units, but in no case less than two, with a means for cabin crew to use the supply.U.K.
[F1(d) The first-aid oxygen equipment shall be capable of generating a mass flow to each person.] U.K.