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Accident Report Detail

Volume II: In-flight Icing Encounter and Loss of Control Simmons Airlines, American Eagle Flight 4184 Avions de Transport Regional (ATR) Model 72-212, N401AM

Executive Summary

​Volume II contains the comments of the Bureau Enquetes-Accidents on the Safety Board’s draft of the accident report. The comments are provided in accordance with Annex 13 to the Convention on International Civil Aviation. Volume I of this report explains the crash of American Eagle flight 4184, an ATR 72 airplane during a rapid descent after an uncommanded roll excursion. The safety issues discussed in the report focused on communicating hazardous weather information to fiightcrews, Federal regulations on aircraft icing and icing certification requirements, the monitoring of aircraft airworthiness, and flightcrew training for unusual events/attitudes. Safety recommendations concerning these issues were addressed to the Federal Aviation Administration, the National Oceanic and Atmospheric Administration, and AMR Eagle.

Probable Cause

Accident Location: Roselawn , IN    
Accident Date: 10/31/1994
Accident ID: DCA95MA001

Date Adopted: 7/9/1996
NTSB Number: AAR-96-02
NTIS Number: PB96-910402