- Effective
- August 31, 1970
- Model
- Auto Pilot Systems Instruments
- Product
- Appliance
- Amendment
- 39-1046
Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed May 30, 2024.
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The airworthiness directive
70-15-18 MITCHELL INDUSTRIES, INC., doing business as EDO-AIRE MITCHELL: Amendment 39-1046. Applies to the Mitchell Century II, Century III (Serial Numbers 624 and below) and Stabilizer, automatic pilot and automatic aileron stabilizer instruments, and to Piper AutoControl III, Altimatic III and AutoFlite automatic pilot and automatic aileron stabilizer instruments installed in various light aircraft in accordance with the following Supplemental Type Certificates:
AIRCRAFT MAKE SUPPLEMENTAL TYPE CERTIFICATE NUMBERS Aero Commander SA680SW
Beech SA617SW SA742SW SA755SW SA800SW
SA638SW SA745SW SA761SW SA824SW
SA651SW SA754SW SA767SW SA837SW
Cessna SA603SW SA624SW SA668SW SA784SW (See also Wren) SA606SW SA637SW SA669SW SA789SW
SA607SW SA658SW SA709SW SA795SW
SA621SW SA667SW SA737SW SA829SW
deHavilland (See Riley 400)
Helio SA615SW
Maule SA693SW
Piper SA511SW SA540SW SA596SW SA757SW
SA525SW SA566SWSA662SW SA822SW
SA532SW SA576SW SA707SW SA862SW
SA533SW SA581SW SA756SW SA921SW
Riley 400 (deHavilland modified per STC's SA120SO, SE163SO and SA164SO) SA676SW
Wren (Cessna modified per SA791SW STC No. SA485SW)
Compliance required within the next 25 hours' time in service after the effective date of this AD, unless already accomplished.
To prevent slippage of servo bridle cable clamps and resultant binding of the control system, accomplish the following:
Remove Servo Bridle Cable Clamps, Mitchell P/N 42A173 or 42A184, as applicable, and replace with new Servo Bridle Cable Clamps, Mitchell P/N 42A173-1 or 42A184-1, as applicable, in accordance with the installation instructions in Mitchell Industries, Inc. Service Bulletin No. MB-1 dated 2-11-68, revised as Edo-Aire Mitchell Service Bulletin No. MB-1 dated 6-1-70, or later FAA approved revision, or in accordance with instructions approved by the Chief, Engineering and Manufacturing Branch, Flight Standards Division, Southwest Region, Federal Aviation Administration.
The revised bulletin may be obtained from Edo-Aire Mitchell, P.O. Box 610, Mineral Wells, Texas 76067.
This Amendment becomes effective August 31, 1970.