(2)  
Notwithstanding (1), another approach flight technique may be used for a particular approach/runway combination if approved by the competent authority. In such cases, the applicable minimum runway visual range (RVR):

(i)  
shall be increased by 200 m for Category A and B aeroplanes and by 400 m for Category C and D aeroplanes; or

(ii)  
for aerodromes where there is a public interest to maintain current operations and the CDFA technique cannot be applied, shall be established and regularly reviewed by the competent authority taking into account the operator’s experience, training programme and flight crew qualification. 

CAT.OP.MPA.120 Airborne radar approaches (ARAs) for overwater operations — helicopters
(a)  
An ARA shall only be undertaken if:

(1)  
the radar provides course guidance to ensure obstacle clearance; and

(2) 
 either:

(i)  
the minimum descent height (MDH) is determined from a radio altimeter; or

(ii)  
the minimum descent altitude (MDA) plus an adequate margin is applied.

(b)  
ARAs to rigs or vessels under way shall only be conducted in multi-crew operations.

(c)  
The decision range shall provide adequate obstacle clearance in the missed approach from any destination for which an ARA is planned.

(d)  
The approach shall only be continued beyond decision range or below MDA/H when visual reference with the destination has been established.

(e)  
For single-pilot operations, appropriate increments shall be added to the MDA/H and decision range.

CAT.OP.MPA.125 Instrument departure and approach procedures
(a)  
The operator shall ensure that instrument departure and approach procedures established by the State of the aerodrome are used.

(b)  
Notwithstanding (a), the commander may accept an ATC clearance to deviate from a published departure or arrival route, provided obstacle clearance criteria are observed and full account is taken of the operating conditions. In any case, the final approach shall be flown visually or in accordance with the established instrument approach procedures.

(c)  
Notwithstanding (a), the operator may use procedures other than those referred to in (a) provided they have been approved by the State in which the aerodrome is located and are specified in the operations manual.

CAT.OP.MPA.130 Noise abatement procedures — aeroplanes
(a)  
Except for VFR operations of other-than-complex motor-powered aeroplanes, the operator shall establish appropriate operating departure and arrival/approach procedures for each aeroplane type taking into account the need to minimise the effect of aircraft noise.

(b)  
　
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本文鏈接地址：Annexes to the draft Commission Regulation on ‘Air Operations - OPS’(78)