Airworthiness Directive 86-24-03 R1
one-timeAirworthiness Directives; remove or obliterate TSO-C23b marking prior to next use after receipt of this AD, unless already accomplished. NOTES: (1) Pioneer
Which aircraft AD 86-24-03 R1 applies to
Gated to canopies marked TSO-C23b (understrength material) — confirm exact marking/model from the full AD text before use.
Whether AD 86-24-03 R1 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.