AD 2025-18-12

final rule
Data completeness: 80%

Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters

AD Number
2025-18-12
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2025-0750
FR Citation
90 FR 45909

Applicability

TypeManufacturerModelDetails
aircraft Airbus Helicopters Deutschland GmbH Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters

Unsafe Condition

Reports of momentary direct current (DC) power interruption in flight of both essential busses.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Revising the existing rotorcraft flight manual (RFM) to incorporate an emergency and malfunction procedure, and entering compliance with the applicable paragraph of the AD into the helicopter maintenance records in accordance with 14 CFR 43.9(a) and 91.417(a)(2)(v).

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within 50 flight hours

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Airbus Helicopters Deutschland GmbH (AHD) Model MBB-BK 117 D-3 helicopters, certificated in any category, as identified in European Union Aviation Safety Agency (EASA) AD 2022-0208, dated October 11, 2022 (EASA AD 2022-0208).

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 4, 2026

Rights: U.S. Government Public Domain

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