Is AD 64-19-06 a recurring Airworthiness Directive?

No — AD 64-19-06 is a one-time directive. Verify it was complied with in the aircraft's records.

Which aircraft does AD 64-19-06 apply to?

AD 64-19-06 applies to Boeing Defense & Space Group, Vertol — models 42A, 42B, 44A, 44B, H-21B, 42, 44, H-21. Serial/part conditions may narrow it to specific aircraft.

Airworthiness Directive 64-19-06

one-time

AD 64-19-06 · 1964-01-01 · airframe

Airworthiness Directives; & Space Group Wright Kevin Marrs Joe G. Risley Lester W. 42A 42B 44A 44B H-21B Boeing Defense & Space Group\42A Boeing Defense & S

Which aircraft AD 64-19-06 applies to

MakesBoeing Defense & Space GroupVertol

Models42A, 42B, 44A, 44B, H-21B, 42, 44, H-21

Applicability read from the AD teaser — confirm exact model/serial from the records.

Whether AD 64-19-06 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 64-19-06 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.