COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Diamond (HOAC) Series Aeroplanes AD/DIAMOND/1 Operational Limitation 9/97 DM Applicability: Diamond Aircraft Model DA 20 A1 "Katana" aircraft, with serial numbers 10002 through 10287. Requirement: 1. Install a placard on the cockpit instrument panel, in letters at least 2.54 mm (0.10 inch) high, in the vicinity of the existing limitations placard located above the airspeed indicator, to read: SPINS PROHIBITED A flight manual amendment is required. 2. Modify the aircraft in accordance with the Accomplishment Instructions of Diamond Aircraft Service Bulletin DA20-53-01A, dated 5 June 1997. Note: Transport Canada Emergency AD CF-97-09 refers. Compliance: 1. Before further flight. 2. Before 18 July 1997. This airworthiness directive becomes effective on 18 June 1997. Background: There has been an occurrence of a rudder pedal jam during a practice spin with a Katana aircraft. The jam was caused by the pilot's shoe being caught between the rudder pedal and battery hardware.