COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Beechcraft 19, 23 and 24 Series Aeroplanes AD/BEECH 23/26 Flight Manoeuvre Restriction - Placard 11/74 Applicability: Beechcraft 23 S/Nos. M1, M2, M4 through M554. Beechcraft A23-19 S/Nos. MB-1 through MB-288. Beechcraft 19A S/Nos. MB-289 through MB-460. Requirement: Remove all placards pertaining to intentional spins and acrobatic flight and install a placard to be conspicuously located on the instrument panel as follows: "This aeroplane must be operated as a normal or utility category aeroplane. Intentional spins prohibited. No acrobatic manoeuvres approved except, chandelles, lazy eights, steep turns and stalls (except whip stalls)". Note: This Directive does not apply to those aeroplanes incorporating Beech Spin Improvement Kit No. 23-4007-1 or 23-4007-5 or subsequent revisions. Fitment of these kits, or the approved equivalent will reinstate the acrobatic category for those aircraft originally approved in the acrobatic category, and intentional spinning in both utility and acrobatic categories. Compliance: Within 25 hours time in service after 15 November 1974.