(2)  
the reduced cabin crew includes a senior cabin crew member as specified in ORO.CC.260;

(3)  
at least one cabin crew member is required for every 50, or fraction of 50, passengers present on the same deck of the aircraft; and 

(4)  
in the case of normal ground operations with aircraft requiring more than one cabin crew member, the number determined in accordance with (c)(3) shall be increased to include one cabin crew member per pair of floor level emergency exits.

ORO.CC.210 Conditions for assignment to duties
Cabin crew members shall only be assigned to duties, and operate, on a particular aircraft type or variant if they:
(a)  
hold a valid attestation issued in accordance with Part-CC;

(b)  
are qualified on the type or variant in accordance with this Subpart;

(c)  
comply with the other applicable requirements of this  Subpart and Part-CAT; and

(d)  
wear the operator’s cabin crew uniform.

ORO.CC.215 Conduct of training courses and associated checking
(a)  
Training and checking programmes including syllabi required by this Subpart shall be approved by the competent authority and specified in the operations manual. 

(b)  
After a cabin crew member has successfully completed a training course and the associated check, the operator shall: 

(1)  
update the cabin crew member’s training records in accordance with ORO.MLR.115; and

(2)  
provide him/her with a list showing updated validity periods as relevant to the aircraft type(s) and variant(s) on which the cabin crew member is qualified to operate.

ORO.CC.250 Operation on more than one aircraft type or variant
(a)  
A cabin crew member shall not be assigned to operate on more than three aircraft types, except that, with the approval of the competent authority, the cabin crew member may be assigned to operate on four aircraft types if for at least two of the types:

(1)  
safety and emergency equipment and type-specific normal and emergency procedures are similar; and

(2)  
non-type-specific normal and emergency procedures are identical.

(b)  
For the purpose of (a) and for cabin crew training and qualifications, the operator shall determine:

(1)  
each aircraft as a type or a variant taking into account, where available, the relevant standards of the operational suitability data established in accordance with Commission Regulation (EC) No 1702/2003 for the relevant aircraft type or variant; and

(2)  
variants of an aircraft type to be different types if they are not similar in  the following aspects:

(i)  
emergency exit operation;

(ii)  
　
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本文鏈接地址：Annexes to the draft Commission Regulation on ‘Air Operations - OPS’(64)