Is AD 05-21427 a recurring Airworthiness Directive?

No — AD 05-21427 is a one-time directive. Verify it was complied with in the aircraft's records.

Which aircraft does AD 05-21427 apply to?

AD 05-21427 applies to Airbus — models A320-200. Serial/part conditions may narrow it to specific aircraft.

Airworthiness Directive 05-21427

one-time

AD 05-21427 · 2005-10-31 · airframe

Airworthiness Directives; Airbus Model A320-111 Airplanes, and Model A320-200 Series Airplanes

What this AD requires

This amendment adopts a new airworthiness directive (AD), applicable to certain Airbus Model A320-111 airplanes, and Model A320- 200 series airplanes, that requires a detailed inspection of the tail cone triangle to determine its position, and corrective actions if necessary. This action is necessary to prevent excessive vibrations of the elevators, which could result in reduced structural integrity and reduced controllability of the airplane. This action is intended to address the identified unsafe condition.

Which aircraft AD 05-21427 applies to

MakesAirbus

ModelsA320-200

certain

Whether AD 05-21427 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 05-21427 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.