Engine — Critical Parts / Reference Flight Cycles Life Debits — (Re)calculation
- Published
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Affected military operators and maintenance organizations should contact their national military airworthiness authority to obtain the applicable AD for the TP400-D6 engine. They should follow the military authority’s instructions for compliance and life debit recalculations. Civil aviation stakeholders do not need to take action as no civil AD applies, but should remain informed of any future developments.
Summary
The document titled Engine — Critical Parts / Reference Flight Cycles Life Debits — (Re)calculation is an explanatory statement issued by EASA regarding the absence of an Airworthiness Directive (AD) for the Europrop International GmbH TP400-D6 engine. It clarifies that no civil aircraft currently operate this engine, so no public AD exists, and the information is provided solely for military authorities and design approval holders. The document advises that legally binding ADs for affected military aircraft are issued by the respective national military airworthiness authorities.
What changed
This document introduces an informational Airworthiness Directive record (ADR) for the TP400-D6 engine without imposing new regulatory requirements. It serves as a recommendation for military authorities to issue their own ADs, rather than establishing a new or amended AD applicable to civil aviation. The document formalizes the communication of life debit recalculation guidance for critical engine parts to concerned military stakeholders.
Why it matters
This matters because operators, maintenance organizations, and compliance teams involved with military aircraft equipped with TP400-D6 engines need to be aware that no civil AD exists and that compliance is governed by military authorities. It ensures that military operators receive appropriate guidance on engine life management and critical parts monitoring, which is essential for maintaining airworthiness and safety. Understanding this distinction helps avoid confusion regarding regulatory responsibilities between civil and military aviation sectors.
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New ADs and bulletins for Epi Europrop International Gmbh TP400-D6, summarized like this page, every Monday.