Airworthiness Directive 2018-20-12
one-timeOfficial AD 2018-20-12 · FR doc 2018-22150 · 2018-10-18 · airframe
Airworthiness Directives; Bombardier, Inc., Airplanes
What this AD requires
We are adopting a new airworthiness directive (AD) for certain
Which aircraft AD 2018-20-12 applies to
MakesBombardier, Inc.
ModelsDHC-8-102, DHC-8-103, DHC-8-106, DHC-8-201, DHC-8-202, DHC-8-301, DHC-8-311, DHC-8-315, DHC-8
Serial-conditional — narrows to serials 003–672.
Whether AD 2018-20-12 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 2018-20-12 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 →Read the full directive (Federal Register)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.