AD Amdt-39-10443

final rule
Data completeness: 70%

Airworthiness Directives; British Aerospace Model HS 748 Series Airplanes

AD Number
Amdt-39-10443
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 97-NM-98-AD
FR Citation
63 FR 15751

Applicability

TypeManufacturerModelDetails
aircraft British Aerospace Model HS 748 Series Airworthiness Directives; British Aerospace Model HS 748 Series Airplanes

Unsafe Condition

Improper use of the propeller ground beta range during flight can lead to loss of airplane controllability, engine overspeed, and consequent loss of engine power due to power levers positioned below the flight idle stop.

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

Required Actions

Revise the Airplane Flight Manual (AFM) to modify the flight idle stop positioning limitation and add a statement about the consequences of positioning power levers below the flight idle stop during flight.

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

British Aerospace Model HS 748 series airplanes

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

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.

View Official Source ↗ Find More ADs for British Aerospace Model HS 748 Series

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