EASA Part CAT up to Amendment


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Subpart B - OPERATING PROCEDURES
Section 1 - Motor-powered aircraft
Item CAT.OP.MPA.180
Selection of aerodromes — aeroplanes
  
a Where it is not possible to use the departure aerodrome as a take-off alternate aerodrome due to meteorological or performance reasons, the operator shall select another adequate take-off alternate aerodrome that is no further from the departure aerodrome than: 965/2012
1 for two-engined aeroplanes:
i one hour flying time at an OEI cruising speed according to the AFM in still air standard conditions based on the actual take-off mass; or
ii the ETOPS diversion time approved in accordance with Annex V (Part-SPA), Subpart F, subject to any MEL restriction, up to a maximum of two hours, at the OEI cruising speed according to the AFM in still air standard conditions based on the actual take-off mass;
2 for three and four-engined aeroplanes, two hours flying time at the OEI cruising speed according to the AFM in still air standard conditions based on the actual take-off mass.
If the AFM does not contain an OEI cruising speed, the speed to be used for calculation shall be that which is achieved with the remaining engine(s) set at maximum continuous power.
b The operator shall select at least one destination alternate aerodrome for each instrument flight rules (IFR) flight unless the destination aerodrome is an isolated aerodrome or:
1 the duration of the planned flight from take-off to landing or, in the event of in-flight replanning in accordance with CAT.OP.MPA.150(d), the remaining flying time to destination does not exceed six hours; and
2 two separate runways are available and usable at the destination aerodrome and the appropriate weather reports and/or forecasts for the destination aerodrome indicate that, for the period from one hour before until one hour after the expected time of arrival at the destination aerodrome, the ceiling will be at least 2 000 ft or circling height + 500 ft, whichever is greater, and the ground visibility will be at least 5 km.
c The operator shall select two destination alternate aerodromes when:
1 the appropriate weather reports and/or forecasts for the destination aerodrome indicate that during a period commencing one hour before and ending one hour after the estimated time of arrival, the weather conditions will be below the applicable planning minima; or
2 no meteorological information is available.
d The operator shall specify any required alternate aerodrome(s) in the operational flight plan.
  
  

AMC:
 
 
 
GM:
 
 
 
Link to:
 
CAT.OP.MPA.150(d)
 
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