(3)  
new mass and balance documentation is prepared if this maximum number is exceeded.

(e)  
The operator shall obtain approval by the competent authority if he/she wishes to use an onboard integrated mass and balance computer system or a stand-alone computerised mass and balance system as a primary source for dispatch. The operator shall demonstrate the accuracy and reliability of that system.

Subpart D — Instrument, data, equipment
Section 1 — Aeroplanes

CAT.IDE.A.100 Instruments and equipment — general
(a)  
Instruments and equipment required by this Part shall be approved in accordance with Regulation (EC) No 1702/2003, except for the following items:

(1)  
Spare fuses;

(2)  
Independent portable lights;

(3)  
An accurate time piece;

(4)  
Chart holder;

(5) 
 First-aid kits;

(6)  
Emergency medical kit;

(7)  
Megaphones;

(8)  
Survival and signalling equipment;

(9)  
Sea anchors and equipment for mooring; and

(10)
Child restraint devices.

(c)  
Instruments and equipment not required by this Part that do not need to be approved in accordance with Regulation (EC) No 1702/2003, but are carried on a flight, shall comply with the following:

(1)  
the information provided by these instruments, equipment or accessories shall not be used by the flight crew to comply with Annex I to Regulation (EC) No 216/2008 or CAT.IDE.A.330, CAT.IDE.A.335, CAT.IDE.A.340 and CAT.IDE.A.345; and

(2)  
the instruments and equipment shall not affect the airworthiness of the aeroplane, even in the case of failures or malfunction.

(d)  
If equipment is to be used by one flight crew member at his/her station during flight, it must be readily operable from that station. When a single item of equipment is required to be operated by more than one flight crew member it must be installed so that the equipment is readily operable from any station at which the equipment is required to be operated.

(e)  
Those instruments that are used by any flight crew member shall be so arranged as to permit the flight crew member to see the indications readily from his/her station, with the minimum practicable deviation from the position and line of vision that he/she normally assumes when looking forward along the flight path.

(f)
All required emergency equipment shall be easily accessible for immediate use.

CAT.IDE.A.105 Minimum equipment for flight
A flight shall not be commenced when any of the aeroplane’s instruments, items of equipment or functions required for the intended flight are inoperative or missing, unless:
(a)  
the aeroplane is operated in accordance with the operator’s MEL; or
　
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本文鏈接地址：Annexes to the draft Commission Regulation on ‘Air Operations - OPS’(121)