AMC1
ORO.CC.250(b) Operation on more than one aircraft type or variant
DETERMINATION OF AIRCRAFT TYPES AND VARIANTS
(a) When determining similarity of location and type of portable safety and emergency equipment, the following factors should be assessed:
(1) all portable safety and emergency equipment is stowed in the same, or in exceptional circumstances, in substantially the same location;
(2) all portable safety and emergency equipment requires the same method of operation;
(3) portable safety and emergency equipment includes:
(i) fire-fighting equipment;
(ii) protective breathing equipment (PBE);
(iii) oxygen equipment;
(iv) crew life-jackets;
(v) torches;
(vi) megaphones;
(vii) first-aid equipment;
(viii) survival and signalling equipment; and
(ix) other safety and emergency equipment, where applicable.
(b) The type-specific emergency procedures to be considered should include at least the following:
(1) land and water evacuation;
(2) in-flight fire;
(3) non-pressurisation, slow and sudden decompression; and
(4) pilot incapacitation.
(c) When determining similarity of doors/exits in the absence of operational suitability data established in accordance with Commission Regulation (EU) No 748/2012 for the relevant aircraft type(s) or variant(s), the following factors should be assessed, except for self-help exits, such as type III and type IV exits, that need not be included in the assessment:
(1) door/exit arming and disarming;
(2) direction of movement of the operating handle;
(3) direction of door/exit opening;
(4) power assist mechanisms; and
(5) assisting evacuation means.
For multi-aircraft operations, EASA regulations mandate assessing portable safety equipment location and operation similarity. Emergency procedures like evacuation and in-flight fire response must be standardized. Door/exit operation, including arming, handle direction, and evacuation assistance, requires evaluation to ensure crew proficiency across aircraft types.
* Summary by Aviation.Bot - Always consult the original document for the most accurate information.
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