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Airworthiness Directive 77-14-04

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AD 77-14-04 · 1977-01-01 · airframe

Airworthiness Directives; 43. This amendment becomes effective August 5, 1977. FOOTER: de Havilland Aircraft Co., Ltd., The D.H. 104 Dove Series 1A D.H. 104

Which aircraft AD 77-14-04 applies to

MakesDe Havilland Aircraft Co., Ltd.
ModelsD.H. 104 Dove Series 1A, D.H. 104 Dove Series 2A, D.H. 104 Dove Series 5A, D.H.114 Heron Series 2DA, D.H.114 Heron Series 2X, D.H. 104 Dove, D.H. 114 Heron

Footer lists these Dove/Heron series; full list may be truncated in this excerpt (applicability read from the AD teaser — confirm exact model/serial from the records.)

Whether AD 77-14-04 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:

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 77-14-04 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.

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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.