Is AD 81-07-09 a recurring Airworthiness Directive?

No — AD 81-07-09 is a one-time directive. Verify it was complied with in the aircraft's records.

Which aircraft does AD 81-07-09 apply to?

AD 81-07-09 applies to Dowty Rotol, Dowty Propellers — models CR 289/3-110-F/1, CR 289/3-110-F/11. Serial/part conditions may narrow it to specific aircraft.

Airworthiness Directive 81-07-09

one-time

AD 81-07-09 · 1981-01-01 · propeller

Airworthiness Directives; /N 660705335 installed per paragraph (b) above. (d) Upon request of an operator, the Chief, Engineering and Manufacturing Branch,

Which aircraft AD 81-07-09 applies to

MakesDowty RotolDowty Propellers

ModelsCR 289/3-110-F/1, CR 289/3-110-F/11

Part-conditional — 660705335.

Applies to propellers with P/N 660705335 installed per paragraph (b) of the AD.

Whether AD 81-07-09 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 81-07-09 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.