COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Gates Learjet 24 & 25 Series Aeroplanes
AD/LEARJET/31 Handling Qualities and Aerodynamic Stall
Characteristics - Modification
Applicability: All model 23 with S/Nos 23-003 to 23-099.
All model 24 with S/Nos 24-100 and subsequent. All model 25 with S/Nos 25-003 to 25-061.
25-067 to 25-201.
25-204 and subsequent.
7/85
With unmodified wings.
Requirement: 1. Install modification kit AMK 83-4, or
2. Install modification kit AMK 84-5.
Note: FAA AD No 80-19-11 R1 refers.
Compliance: Before 1st October, 1986.
Background: GLC and the FAA have recently found evidence of undesirable handling characteristics at the limits of the flight envelope.