EASA AD 2022-0208
Rotorcraft Flight Manual — Emergency and Malfunction Procedures — Amendment
Summary
EASA Airworthiness Directive 2022-0208 is an amendment concerning the Rotorcraft Flight Manual emergency and malfunction procedures for Airbus Helicopters Deutschland GmbH MBB-BK117 D-3 and D-3m helicopters, specifically serial numbers 20070, 21016 and up. The directive mandates updates to the flight manual to address potential DC power interruptions affecting essential busses during flight. This amendment applies to helicopters with TCDS number EASA.R.010 and involves updated emergency procedures to enhance flight safety.
What Changed
EASA Airworthiness Directive 2022-0208 requires the incorporation of a new emergency and malfunction procedure into the Rotorcraft Flight Manual for the affected MBB-BK117 D-3 and D-3m helicopters. The amendment introduces updated flight manual revisions (Revision 17 for D-3 and Revision 15 for D-3m) that address momentary DC power interruptions. This directive is an interim action pending further investigation and possible additional directives.
Why It Matters
This directive is critical for aviation professionals as it addresses a safety risk involving DC power interruptions that could lead to loss of helicopter control or reduced situational awareness. Operators and maintenance teams must ensure compliance to maintain airworthiness and operational safety. The updated procedures improve pilot response to electrical malfunctions, thereby reducing the risk of in-flight emergencies.
What To Do
Operators of affected MBB-BK117 D-3 and D-3m helicopters must amend the Rotorcraft Flight Manual by incorporating the specified emergency and malfunction procedures within 14 days or 40 flight hours from the effective date, whichever occurs first. Flight crews must be informed of the changes and operate the helicopters according to the updated manual. Using the specified RFM revisions or later approved versions that include the required content is acceptable for compliance.
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