EASA AD 2018-0027
SUPERSEDED BY EASA AD 2019-0132
Summary
EASA Airworthiness Directive 2018-0027 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting all Dassault Aviation Mystère-Falcon 900 aeroplanes. It mandates compliance with updated maintenance tasks and airworthiness limitations as specified in Revision 23 of the Dassault Mystère-Falcon 900 Aircraft Maintenance Manual chapter 5-40. This directive ensures continued airworthiness by enforcing the latest maintenance requirements for these aircraft.
What Changed
This directive supersedes EASA AD 2016-0127 and introduces new, more restrictive maintenance requirements and airworthiness limitations as detailed in Revision 23 of the Dassault Mystère-Falcon 900 AMM chapter 5-40. It retains previous requirements while updating compliance thresholds and intervals to enhance safety and reliability. Operators must now follow these updated instructions to maintain airworthiness.
Why It Matters
For aviation professionals, this directive is critical to ensure the safe operation and regulatory compliance of Dassault Mystère-Falcon 900 aircraft. It impacts maintenance organizations and operators by requiring adherence to the latest maintenance schedules and life limits, preventing unsafe conditions caused by overlooked or outdated maintenance tasks. Compliance is mandatory to legally operate affected aircraft within the European Union and participating states.
What To Do
Operators and maintenance personnel must replace components before exceeding life limits and perform all maintenance tasks within specified thresholds and intervals as per the updated AMM chapter 5-40 Revision 23. They must revise the approved Aircraft Maintenance Programme within 12 months of the effective date to incorporate these new requirements. Any discrepancies found during maintenance must be corrected within specified times or before the next flight, and compliance must be recorded through the AMP revision.
Your fleet's weekly compliance brief
AI-summarized regulatory changes, compliance deadlines, and action items — filtered to your aircraft, every Monday.
AI-generated summary from official EASA source document. Always verify against the original.