COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Victa and A.E.S.L. Airtourer Series Aeroplanes AD/VAT/18A Limitation of Flap Movement - Modification 5/64 Applicability: Victa Airtourer 100 and 115. All AESL model 115 with S/Nos. 501 to 513 except 506 and 509. Requirement: 1. Modify the flap selector quadrant to allow selection of only the first 3 positions, in accordance with Victa SB No. 34 or Victa Modification No. B129; or 2. Victa Modification No. B129 (SB No. 34) may be removed following incorporation of Air Navigation Order AD/VAT/34 and also provided the aircraft is test flown by a pilot endorsed for the type and holding at least a Commercial Pilot Licence immediately following removal of the Modification No. B129 in order to check the general handling and controllability with fourth notch of flap extended. The tests shall determine whether: (a) any excessive wing drop or other undesirable Characteristics occur when the aircraft is stalled power "on" and power "off" in both level and turning flight; and (b) approaches and landings including precautionary landings can be safely executed under all normal operating conditions. A signed copy of the flight test report shall be forwarded to the Secretary within 7 days of completion of the tests. Note: An amendment to the aircraft flight manual will be forwarded to the owner on receipt of the satisfactory test report. Compliance: Before 1 September 1971.