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Airworthiness Directive 2012-21-16

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Official AD 2012-21-16 · FR doc 2012-26185 · 2012-10-31 · airframe

Airworthiness Directives; BAE SYSTEMS (OPERATIONS) LIMITED Airplanes

What this AD requires

We are adopting a new airworthiness directive (AD) for certain BAE SYSTEMS (OPERATIONS) LIMITED Model BAe 146 series airplanes and Model Avro 146-RJ series airplanes. This AD was prompted by hydraulic pipe ruptures in the center of the cabin resulting in passengers being contaminated with hydraulic fluid. This AD requires installing a hydraulic fluid containment system. We are issuing this AD to prevent harmful or hazardous concentrations of hydraulic fluid or hydraulic vapor from entering the passenger compartment, possibly resulting in injury to the passengers.

Which aircraft AD 2012-21-16 applies to

MakesBae Systems (Operations) Limited
ModelsBAe 146-100A, BAe 146-200A, BAe 146-300A, Avro 146-RJ70A, Avro 146-RJ85A, Avro 146-RJ100A, BAe 146, Avro 146-RJ

Excludes airplanes operating in a cargo or non-passenger configuration; becomes applicable when such an airplane is converted to a passenger configuration.

Whether AD 2012-21-16 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 2012-21-16 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.