Airworthiness Directive 63-23-01
one-timeAD 63-23-01 · 1963-01-01 · airframe
Airworthiness Directives; DOUGLAS all DC-3, C-41, C-41A, C-47, C-47A, C-47B, C-48, C-48A, C-49, C-49A, C-49B, C-49C, C-49D, C-49J, C-49K, C-50, C-50A, C-50B
Which aircraft AD 63-23-01 applies to
MakesDouglas All Dc-3 C-41 C-41A C-47 C-47A C-47B C-48 C-48A C-49 C-49A C-49B C-49C C-49D C-49J C-49K C-50 C-50A C-50B C-50C C-50D C-51 C-52 C-52A C-52B C-52C C-53 C-53B C-53C C-53D C-68 C-117A R4D
ModelsR4D-8
Whether AD 63-23-01 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 63-23-01 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.