Is AD 81-23-05 a recurring Airworthiness Directive?

No — AD 81-23-05 is a one-time directive. Verify it was complied with in the aircraft's records.

Which aircraft does AD 81-23-05 apply to?

AD 81-23-05 applies to Piper — models PA-28-151, PA-28-161, PA-28. Serial/part conditions may narrow it to specific aircraft.

Airworthiness Directive 81-23-05

one-time

AD 81-23-05 · 1981-01-01 · airframe

Airworthiness Directives; -161 (S/N 28-7716001 through 28-8216066) airplanes certificated in any category. COMPLIANCE: Required prior to further flight and

Which aircraft AD 81-23-05 applies to

MakesPiper

ModelsPA-28-151, PA-28-161, PA-28

Serial-conditional — narrows to serials 28-7716001–28-8216066.

Part-conditional — 35669-194.

PA-28-161 airplanes S/N 28-7716001 through 28-8216066, certificated in any category; install P/N 35669-194 on top of the spar box per Piper Service Bulletin 631B; check rear seat base is properly positioned before each flight; addresses possible inflight fire.

Whether AD 81-23-05 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:

Method of compliance — The specific action taken (inspected, replaced, modified) and to what revision.

Date — When the work was done.

Aircraft time — Total time in service / tach at compliance — how recurring next-due is computed.

Signature & certificate — The A&P/IA who returned it to service, with certificate number.

Is AD 81-23-05 complied with on your aircraft?

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.