COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES British Aerospace BAe 146 Series Aeroplanes AD/BAe 146/22 Stall Ident and Warning 10/90 Applicability: BAe 146 models 200 and 200A S/No E 2012 and subsequent with modification HCM 00503B embodied before delivery, or retrofitted by SB 27-94-00503B. Requirement: Action in accordance with British Aerospace SB 27-109-00503C. Note: UK CAA Mandatory SB. Compliance: Prior to 31 August 1991. Background: The stall identification summing unit Part No C81606-3 has incorrect speed law.