(b)  
do not occupy required cabin crew assigned stations; and 

(c)  
do not impede operating cabin crew members in their duties.

CAT.GEN.MPA.120 Common language
The operator shall ensure that all crew members can communicate with each other in a common language.

CAT.GEN.MPA.125 Taxiing of aeroplanes
The operator shall ensure that an aeroplane is only taxied on the movement area of an aerodrome if the person at the controls:
(a)  
is an appropriately qualified pilot; or

(b)  
has been designated by the operator and:

(1)  
is trained to taxi the aircraft;

(2)  
is trained to use the radio telephone; 

(3)  
has received instruction in respect of aerodrome layout, routes, signs, marking, lights, air traffic control (ATC) signals and instructions, phraseology and procedures; and

(4)  
is able to conform to the operational standards required for safe aeroplane movement at the aerodrome.

CAT.GEN.MPA.130 Rotor engagement — helicopters
A helicopter rotor shall only be turned under power for the purpose of flight with a qualified pilot at the controls.

CAT.GEN.MPA.135 Admission to the flight crew compartment
(a)  
The operator shall ensure that no person, other than a flight crew member assigned to a flight, is admitted to, or carried in, the flight crew compartment unless that person is:

(1)  
an operating crew member;

(2)  
a representative of the competent or inspecting authority, if required to be there for the performance of his/her official duties; or

(3)  
permitted by and carried in accordance with instructions contained in the operations manual.

(b)  
The commander shall ensure that:

(1)  
admission to the flight crew compartment does not cause distraction or interference with the operation of the flight; and

(2)  
all persons carried in the flight crew compartment are made familiar with the relevant safety procedures.

(c)  
The commander shall make the final decision regarding the admission to the flight crew compartment.

CAT.GEN.MPA.140 Portable electronic devices
The operator shall not permit any person to use a portable electronic device (PED) on board an aircraft that could adversely affect the performance of the aircraft’s systems and equipment, and shall take all reasonable measures to prevent such use.

CAT.GEN.MPA.145 Information on emergency and survival equipment carried
The operator shall at all times have available for immediate communication to rescue coordination centres (RCCs) lists containing information on the emergency and survival equipment carried on board of any of their aircraft. 
　
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本文鏈接地址：Annexes to the draft Commission Regulation on ‘Air Operations - OPS’(71)