Airworthiness Directive 80-22-51
one-timeAirworthiness Directives; with Walter Kidde fire extinguisher systems installed. Compliance required as noted in the body of this AD, unless already accompl
Which aircraft AD 80-22-51 applies to
applies to aircraft with Walter Kidde fire extinguisher systems installed (cartridge P/N 876296-01E) that had repairs/replacements since January 1, 1980; confirm exact aircraft model from the records
Whether AD 80-22-51 actually applies to your aircraft (by serial and installed parts) and whether it’s already complied with comes from that aircraft’s records.
How AD compliance is recorded
A valid compliance record (14 CFR 43.9) states:
Tailplate reads a tail number’s logbooks and matches every applicable AD — including this one — to its compliance evidence, with recurring next-due dates computed.
Look up a tail number →Applicability is derived from the FAA directive corpus and is advisory, not a legal airworthiness determination. Compliance is established only from an aircraft’s actual records.