Airworthiness Directive 64-04-03

one-time
AD 64-04-03 · 1964-01-01 · airframe

Airworthiness Directives; Attach the patch with eight AN 470AD3-4 rivets evenly spaced. (Champion Service Letter No. 59 covers the same subject.) This direc

Which aircraft AD 64-04-03 applies to

MakesAmerican Champion Aircraft Corp.
Models7GC, 7GCA, 7GCB, 7GCBA, 7HC, 7KC
Part-conditionalAN470AD3-4.

Requires attaching a patch with eight AN470AD3-4 rivets evenly spaced; Champion Service Letter No. 59 covers the same subject. Directive effective March 9, 1964 (Amdt. 39-683, Part 507).

Whether AD 64-04-03 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 complianceThe specific action taken (inspected, replaced, modified) and to what revision.
DateWhen the work was done.
Aircraft timeTotal time in service / tach at compliance — how recurring next-due is computed.
Signature & certificateThe A&P/IA who returned it to service, with certificate number.
Is AD 64-04-03 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.