CS ACNS.C.PBN.605 System performance demonstration
ED Decision 2019/011/R
(See AMC1 ACNS.C.PBN.605 and GM1 ACNS.C.PBN.605)
The performance (including the RF function) of the aircraft’s system is demonstrated under a variety of operational, meteorological, and failure conditions, commensurate with the intended operation.
Criteria for assessing RNP significant failures under design limit performance conditions are the following:
(a) the lateral excursions observed as a result of probable failures are contained within a 1 × RNP corridor;
(b) the lateral excursions observed as a result of one-engine-inoperative (OEI) are contained within a 1 × RNP corridor;
(c) the lateral excursions observed as a result of remote failures are contained within a 2 × RNP corridor; and
(d) a demonstration is made that the aircraft remains manoeuvrable and a safe extraction can be flown for all extremely remote failures.
For criteria (a), (b), and (c) above, the vertical excursion does not exceed 75 feet below the desired path.
[Issue: CS-ACNS/2]
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