EASA AD 2018-0025
Placards and Markings — Installation / Rotorcraft Flight Manual — Amendment
Summary
EASA Airworthiness Directive 2018-0025 is an amendment concerning the installation of placards and updates to the Rotorcraft Flight Manual for PZL SW-4 helicopters, specifically those with manufacturer serial numbers up to 60.04.09 inclusive. This directive addresses incorrect Vne (never-exceed speed) values for power-off flight conditions and mandates changes to flight manual documentation and placard placement.
What Changed
The directive requires incorporation of Revision 30 into the Rotorcraft Flight Manual to correct Vne speed values and mandates the installation of Vne limitation placards in the flight crew compartment. Previously, Vne limitations were only available on separate cards rather than conspicuous placards, which has now been rectified.
Why It Matters
This amendment is critical for flight safety as incorrect Vne values and inadequate placard visibility could lead to pilots maintaining unsafe flight speeds, potentially reducing helicopter control. Operators and maintenance teams must ensure compliance to maintain airworthiness and avoid operational restrictions.
What To Do
Operators must amend the Rotorcraft Flight Manual by incorporating Revision 30 within 30 days of 13 February 2018 and inform all flight crew accordingly. Concurrently, Vne limitation placards must be installed in the flight crew compartment following the manufacturer's instructions to comply with this directive.
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