(b)  
the operator is approved by the competent authority to operate the aeroplane within the constraints of the master minimum equipment list (MMEL).

CAT.IDE.A.110 Spare electrical fuses
(a)  
Aeroplanes shall be equipped with spare electrical fuses, of the ratings required for complete circuit protection, for replacement of those fuses that are allowed to be replaced in flight.

(b)  
The number of spare fuses that are required to be carried shall be the higher of:

(1)  
10 % of the number of fuses of each rating; or

(2)  
three fuses for each rating.

CAT.IDE.A.115 Operating lights
(a)  
Aeroplanes operated by day shall be equipped with:

(1)  
an anti-collision light system;

(2)  
lighting supplied from the aeroplane’s electrical system to provide adequate illumination for all instruments and equipment essential to the safe operation of the aeroplane;

(3)  
lighting supplied from the aeroplane’s electrical system to provide illumination in all passenger compartments; and

(4)  
an independent portable light for each required crew member readily accessible to crew members when seated at their designated stations.

(b)  
Aeroplanes operated at night shall in addition be equipped with:

(1)  
navigation/position lights;

(2)  
two landing lights or a single light having two separately energised filaments; and

(3)  
lights to conform with the International Regulations for Preventing Collisions at Sea if the aeroplane is operated as a seaplane.

CAT.IDE.A.120 Equipment to clear windshield 
Aeroplanes with an MCTOM of more than 5 700 kg shall be equipped at each pilot station with a means to maintain a clear portion of the windshield during precipitation.

CAT.IDE.A.125 Operations under VFR by day — flight and navigational instruments and associated equipment
Aeroplanes operated under VFR by day shall be equipped with the following equipment, available at the pilot’s station:
(a)  
A means of measuring and displaying:

(1)  
Magnetic direction;

(2)  
Time in hours, minutes, and seconds;

(3)  
Pressure altitude;

(4)  
Indicated airspeed;

(5)  
Vertical speed;

(6)  
Turn and slip;

(7) 
 Attitude; and

(8)  
Direction.

(b)  
A means of displaying:

(1)  
outside air temperature;

(2)  
Mach number whenever speed limitations are expressed in terms of Mach number; and

(3)  
when power is not adequately supplied to the required flight instruments.
　
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本文鏈接地址：Annexes to the draft Commission Regulation on ‘Air Operations - OPS’(122)