CS ACNS.D.ELS.040 Integrity

ED Decision 2013/031/R

The Mode S ELS airborne surveillance system integrity is designed commensurate with a ‘minor‘ failure condition.

CS ACNS.D.ELS.045 Continuity

ED Decision 2022/008/R

(See AMC1 ACNS.D.ELS.045)

The Mode S ELS airborne surveillance system is designed to provide a level of continuity that supports the intended operation with a remote probability of failure.

[Issue: CS-ACNS/4]

AMC1 ACNS.D.ELS.045 Continuity

ED Decision 2022/008/R

The allowable quantitative probability of loss of the Mode S functionality per flight hour should be less than or equal to 2 × 10^–4 (i.e. the mean time between failures, which is equal to or greater than 5 000 flight hours).

[Issue: CS-ACNS/4]