SE202: Airplane State Awareness - Bank Angle Protection

SE202: Airplane State Awareness - Bank Angle Protection

Status: COMPLETED

Background

The purpose of this Safety Enhancement is to reduce the risk of loss-of-control accidents by having manufacturers mplement include bank angle protection on applicable new fly-by-wire (FBW) transport category airplane (TCA) programs. Applicable new fly-by-wire (FBW) TCA programs include:

  1. New type certificate programs
  2. Major derivative, amended type certificate programs involving redesign of the FBW flight control system, or conversion from a conventional control system to a FBW control system

In a Commercial Aviation Safety Team (CAST) study of 18 loss-of-control accidents and incidents, excessive bank resulting from flight crew loss of airplane state awareness (ASA) played a role in 6 accidents. To reduce fatal accidents due to loss of airplane state awareness, manufacturers should develop and implement bank angle protection on applicable new FBW TCA programs launched after January 1, 2015.

Related Implementation Plan

Detailed Implementation Plan

Related Safety Enhancements

SE040: Envelope Protection – New Designs

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