What this page is: a restatement of what the official Federal Register
and manufacturer records show as of the date listed below each item. It is not
a determination that any specific aircraft or engine is, or is not, in compliance.
Under 14 CFR §91.403 and §91.417, the aircraft owner/operator is responsible
for maintaining airworthiness and required records. Always verify against the official FAA
and manufacturer sources linked below before making a maintenance or airworthiness decision.
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Airworthiness Directives
2 records
AD
2013-23-08
FR doc 2013-27914 · 78 FR 70200
AD 2013-23-08Published 2013-11-25Effective 2013-12-30
AQUILA-Aviation by Excellence AG Airplanes
Requires actions to address the unsafe condition on these products.
Full official abstract
Airworthiness Directives; AQUILA-Aviation by Excellence AG Airplanes
We are adopting a new airworthiness directive (AD) AQUILA-- Aviation by Excellence AG Model AT01 airplanes. This AD results from mandatory continuing airworthiness information (MCAI) issued by the aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as a defective sealing of a tapped through bore hole at the inside of the fuel tank openings in combination with prolonged periods at maximum fuel level. We are issuing this AD to require actions to address the unsafe condition on these products.
Source: Federal Register document 2013-27914, retrieved 2026-08-17 · re-verified against the live Federal Register API 2026-08-17
AD 2007-17-04Published 2007-08-21Effective 2007-09-25
Aquila Technische Entwicklungen GmbH (AQUILA) Model AT01 Airplanes
Prompted by mandatory continuing airworthiness information (MCAI) issued by the aviation authority of another country to identify and correct an unsafe condition on an aviation product.
Full official abstract
Airworthiness Directives; Aquila Technische Entwicklungen GmbH (AQUILA) Model AT01 Airplanes
We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) issued by the aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:
Source: Federal Register document E7-15913, retrieved 2026-08-17 · re-verified against the live Federal Register API 2026-08-17