Document ID: chunk:federal_register_of_legislation:F2006B11157:body:0
Version: federal_register_of_legislation:F2006B11157
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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/5 Airspeed - Machmeter Indicator
                         Presentation - Modification

 Applicability: Learjet Model 24D S/Nos. 266 and 279.

6/74

            Requirement: Inspect and where necessary modify airspeed-machmeters to ensure that the Vmo limit is marked on the dial either by a red radial line at 306 knots for instruments without coloured sectors, or by a red arc extending from 306 knots to 700 knots for instruments with coloured sectors. All other limit marks or coloured sectors above 306 knots shall be removed.

            Note 1: Arrange with DoT to amend the Aircraft Flight Manual to comply with the aircraft installation if any change is necessary.

            Note 2: If the airspeed-machmeters have presentations identical to that shown on the Gates Learjet 24D Flight Manual Page 1-16 FAA-approved 6.25.70 Change 7, this page will be used in the Flight Manual. Such a presentation is without coloured sectors and has radial red lines at 306 knots and at .82 mach.

 Compliance: Within 300 hours time in service after 28 June 1974.