(1) 
 Attitude; and

(2)  
Direction.

(e)  
A means for preventing malfunction of the airspeed indicating systems due to condensation or icing for helicopters with an MCTOM of more than 3 175 kg or an MOPSC of more than nine.

CAT.IDE.H.130 Operations under IFR or at night — flight and navigational instruments and associated equipment
Helicopters operated under VFR at night or under IFR 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)  
Indicated airspeed;

(4)  
Vertical speed;

(5) 
 Slip;

(6) 
 Attitude; and

(7)  
Stabilised direction.

(b)  
Two means of measuring and displaying pressure altitude. For single-pilot operations under VFR at night one pressure altimeter may be substituted by a radio altimeter.

(c)  
A means of displaying:

(1)  
outside air temperature; and

(2)  
when power is not adequately supplied to the required flight instruments.

(d)  
A means of preventing malfunction of the airspeed indicating systems required in (a)(3) and (h)(2) due to either condensation or icing.

(e)  
A means of annunciating to the flight crew the failure of the means required in (d) for helicopters:

(1)  
issued with an individual CofA on or after 1 August 1999; or

(2)  
issued with an individual CofA before 1 August 1999 with an MCTOM of more than 3 175 kg, and with an MOPSC of more than nine.

(f)
A standby means of measuring and displaying attitude that:

(1)  
is powered continuously during normal operation and, in the event of a total failure of the normal electrical generating system, be powered from a source independent of the normal electrical generating system;

(2)  
operates independently of any other means of measuring and displaying attitude;

(3)  
is capable of being used from either pilot’s station;

(4)  
is operative automatically after total failure of the normal electrical generating system;

(5)  
provides reliable operation for a minimum of 30 minutes or the time required to fly to a suitable alternate landing site when operating over hostile terrain or offshore, whichever is greater, after total failure of the normal electrical generating system, taking into account other loads on the emergency power supply and operational procedures;

(6)  
is appropriately illuminated during all phases of operation; and

(7)  
is associated with a means to alert the flight crew when operating under its dedicated power supply, including when operated by emergency power.
　
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本文鏈接地址：Annexes to the draft Commission Regulation on ‘Air Operations - OPS’(140)