Is AD 99-14536 a recurring Airworthiness Directive?

No — AD 99-14536 is a one-time directive. Verify it was complied with in the aircraft's records.

Which aircraft does AD 99-14536 apply to?

AD 99-14536 applies to Raytheon — models 1900D. Serial/part conditions may narrow it to specific aircraft.

Airworthiness Directive 99-14536

one-time

AD 99-14536 · 1999-06-11 · airframe

Airworthiness Directives; Raytheon Aircraft Company Model 1900D Airplanes

What this AD requires

This amendment adopts a new airworthiness directive (AD) that applies to certain Raytheon Aircraft Company (Raytheon) Model 1900D airplanes. This AD requires replacing the passenger oxygen container and mask assembly with an improved design passenger oxygen container and mask assembly. This AD is the result of an incident where a passenger had put on the oxygen mask and the lanyard pin did not automatically pull and initiate oxygen flow during a loss of airplane pressurization while in-flight. The actions specified by this AD are intended to prevent the above situation from occurring on other airplanes, which could result in passenger injury if the lanyard pin is not manually pulled in a timely manner.

Which aircraft AD 99-14536 applies to

MakesRaytheon

Models1900D

certain

Whether AD 99-14536 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 99-14536 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.