COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES British Aerospace BAe 125 Series Aeroplanes AD/HS 125/136 Emergency Contactor Not Closed Indicator 4/93 Applicability: Series 1000A and 1000B aircraft. Requirement: Incorporate Modification Number 253645A in accordance with the Accomplishment Instructions of Corporate Jets Limited Service Bulletin SB.31-44-3645A dated 15 January 1993. Note: This Service Bulletin has been classified as Mandatory by the CAA(UK). Compliance: Prior to 30 May 1993. Background: This Directive has been issued to meet a flight deck indication requirement and requires the changing of the 'EMERG CONTCTRS' annunciator screen from white to amber. Dispatch of an aircraft with the 'EMERG CONTCTRS' annunciator illuminated is prohibited.