AD 2025-20-06

final rule
Data completeness: 80%

Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters

AD Number
2025-20-06
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2025-1106
FR Citation
90 FR 51504

Applicability

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

Unsafe Condition

Reports of airspeed and altitude indication errors due to air from the air conditioning system (ACS) condenser outlets affecting the static ports during flight.

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

Required Actions

Revising the existing rotorcraft flight manual supplement (RFMS) for the helicopter, replacing the ACS condenser outlet grids with ACS condenser outlet covers, and prohibiting the installation of ACS condenser outlet grids.

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

Compliance Time

Before further flight

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

Affected Aircraft

All Airbus Helicopters Deutschland GmbH Model MBB-BK 117 D-2 and MBB-BK 117 D-3 helicopters.

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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