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Airworthiness Directive 48-02-05

one-time
AD 48-02-05 · 1948-01-01 · airframe

Airworthiness Directives; 0.042-thickness corrosion resistant steel sheet on the outboard side of the recess sheet. An air gap must exist between the exhaus

Which aircraft AD 48-02-05 applies to

MakesDouglasThe Boeing Company
ModelsDC-6, DC-6A, DC-6B

Install 0.042-inch corrosion resistant steel sheet on the outboard side of the exhaust chute recess sheet, maintaining an air gap for ram-air heat dissipation, per Douglas Service Bulletin DC-6 No. 30.

Whether AD 48-02-05 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 48-02-05 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.