COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Casa 212 Series Aeroplanes AD/CASA/11 Power Quadrant Cover 1/88 Applicability: Model CASA-212 Series aeroplanes as listed in CASA S.B. No 212-76-05 Revision 1A. Requirement: Action in accordance with CASA S.B. No 212-76-05 Revision 1A. Compliance: Prior to the issue of the next Maintenance Release after 28 February 1988. Background: The Spanish D.G.A.C. and the FAA have Airworthiness Directives in place requiring modification of the power control quadrant cover, to prevent jamming of the power controls by objects falling into the open slots.