Division (a) The operator shall report recorded or communicated occurrences of height-keeping errors caused by malfunction of aircraft equipment or of operational nature, equal to or greater than:
United Kingdom
- (1)
a total vertical error (TVE) of ± 90 m (± 300 ft);
- (2)
an altimetry system error (ASE) of ± 75 m (± 245 ft); and
- (3)
an assigned altitude deviation (AAD) of ± 90 m (± 300 ft).