EASA AD 2019-0136
Rotorcraft Flight Manual — Emergency Procedures Section — Amendment
Summary
EASA Airworthiness Directive 2019-0136 is an amendment to the Rotorcraft Flight Manual Emergency Procedures Section for Leonardo S.p.A. AW189 helicopters. It addresses corrections to the emergency procedure related to the "1(2) FUEL LOW" caution message in the AW189 flight manual. This directive applies to all serial numbers of AW189 helicopters and updates the emergency procedures to ensure accurate fuel consumption information.
What Changed
This amendment supersedes EASA AD 2019-0103 and requires replacing specific pages (3-117 and 3-118) in the Rotorcraft Flight Manual with corrected pages from Leonardo's Temporary Revision 3-1 Revision A. The update corrects misleading information about the remaining flight time under low fuel conditions, which previously assumed a constant torque value that may not be maintained in all flight scenarios.
Why It Matters
Accurate emergency procedures are critical for safe helicopter operation, especially during low fuel conditions. The previous incorrect guidance could lead to misestimating remaining flight time, increasing the risk of uncommanded engine shutdown and forced landing. Compliance ensures pilots have reliable information to make safe decisions, reducing the risk of accidents and damage to the aircraft.
What To Do
Operators must remove the previous manual changes required by AD 2019-0103 and amend the Rotorcraft Flight Manual by replacing pages 3-117 and 3-118 with the corrected pages from the Leonardo Temporary Revision 3-1 Revision A within 14 days of 18 June 2019. Flight crews should be informed of the changes and operate the helicopter according to the updated emergency procedures. Incorporating a later approved RFM revision containing the same content is also acceptable for compliance.
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