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Airworthiness Directives

Specific ADs:

Ignition Switch

Seat Rails:
87-20-03 R2
SE83-6 (Cracks)

Prop Line
90-04-06 R1

Oil Pump Gears

Oil Filter Adaptor

Gascolator drain

AD categories:

Lycoming engine
Crank (proposed)
Prop Governer


Cardinal Flyers

Airworthines Directives

These pages contain references to a number of airworthiness directives and was submitted by Rod Farlee in 1997. Updates have beeen made since then to add certain significant ADs.

This is a fairly complete but not necessarily up to date listing of all ADs applicable to the Cardinal. This listing is not intended to be complete, but rather seeks to supply some text to help learn about the types of ADs that do exist.

These pages are a collection of the ideas and impressions of the Cardinal pilots who frequent this site. This information is anecdotal, informal and may not be completely accurate. The Cardinal Flyers are not certified mechanics and do not guarantee the accuracy of the contents of these pages. Please research and confirm anything that is referenced on these pages with the experts appropriate to your situation.

As always, the Cessna maintenance, operations and flight manuals, and the advice of a certified mechanic and flight instructor, should be your primary sources of information regarding safe maintenance and operation of your aircraft.

Copyright Cardinal Flyers Online LLC 1997-2023