Airworthiness Directive 63-24-04
one-timeAirworthiness Directives; 1964. FOOTER: Columbia Helicopters, Inc. 107-II Columbia Helicopters, Inc.\107-II This information is not available. Unknown 63-24
Which aircraft AD 63-24-04 applies to
Amdt. 648, Part 39. Applies to Model 107-II helicopters; effective November 27, 1963 (a 1964 date is also referenced in the truncated text).
Whether AD 63-24-04 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.