AMC2 CAT.OP.MPA.115 Approach
flight technique — aeroplanes
APPROACH OPERATIONS USING NPA PROCEDURES FLOWN WITH A FLIGHT TECHNIQUE OTHER THAN THE CDFA
(a) In case the CDFA technique is not used, the approach should be flown to an altitude/height at or above the MDA/H where a level flight segment at or above MDA/H may be flown to the MAPt.
(b) Even when the approach procedure is flown without the CDFA technique, the relevant procedures for ensuring a controlled and stable path to MDA/H should be followed.
(c) In case the CDFA technique is not used when flying an approach, the operator should implement procedures to ensure that early descent to the MDA/H will not result in a subsequent flight below MDA/H without adequate visual reference. These procedures could include:
(1) awareness of radio altimeter information with reference to the approach profile;
(2) terrain awareness warning system (TAWS);
(3) limitation of rate of descent;
(4) limitation of the number of repeated approaches;
(5) safeguards against too early descents with prolonged flight at MDA/H; and
(6) specification of visual requirements for the descent from the MDA/H.
(d) In case the CDFA technique is not used and when the MDA/H is high, it may be appropriate to make an early descent to MDA/H with appropriate safeguards such as the application of a significantly higher RVR or VIS.
(e) The procedures that are flown with level flight at or above the MDA/H should be listed in the OM.
(f) Operators should categorise aerodromes where there are approaches that require level flight at or above MDA/H as B or C. Such aerodrome categorisation will depend upon the operator’s experience, operational exposure, training programme(s) and flight crew qualification(s).
For non-CDFA approaches, maintain altitude above Minimum Descent Altitude/Height (MDA/H) until the Missed Approach Point (MAPt). Implement procedures preventing premature descent below MDA/H without visual reference, including radio altimeter awareness, descent rate limits, and visual requirements. Document level flight procedures at MDA/H in the Operations Manual and categorize aerodromes accordingly based on operational experience.
* Summary by Aviation.Bot - Always consult the original document for the most accurate information.
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