COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Fokker F27 Series Aeroplanes AD/F27/50 Amdt 1 Nacelle Connections Sta 2574 - Modification 8/81 Applicability: All F27 aircraft. Document: Fokker SB 61-9 (G-6) or 61-10 (G-7). Compliance: Forthwith. Background: This Directive is raised in issue to call out the current manufacturers documents. Original SBJ-71 has been superseded by G-6 and G-7 is an alternative method of complying with G-6.