AD 86-25-52 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | ATR - GIE Avions de Transport R gional | ATR42-200 | Airworthiness Directives; AEROSPATIALE; Model ATR-42 Airplanes |
| aircraft | ATR - GIE Avions de Transport R gional | ATR42-300 | Airworthiness Directives; AEROSPATIALE; Model ATR-42 Airplanes |
| aircraft | ATR - GIE Avions de Transport R gional | ATR42-320 | Airworthiness Directives; AEROSPATIALE; Model ATR-42 Airplanes |
| aircraft | ATR - GIE Avions de Transport R gional | ATR42-500 | Airworthiness Directives; AEROSPATIALE; Model ATR-42 Airplanes |
Unsafe Condition
The potential hazards associated with in-flight icing conditions or the operation of ice removal systems.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Revise the Airplane Flight Manual (AFM) by replacing specific sections with December 1986 revisions, revise Panel 24.VU by covering the term 'deicing', or alternatively modify the stall warning system per Service Bulletin ATR-42-30-0011, remove the cover on panel 24.VU, and replace AFM sections with October 1986 or later revisions.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
before further flight into known or forecast icing conditions
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Affected Aircraft
AEROSPATIALE Model ATR-42 airplanes, including ATR42-200, ATR42-300, ATR42-320, ATR42-500, certificated in any category.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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