本文件已于2009年12月被宣布“取消”，并已被SAE ARP 4771取代。通过这一行动，本文件仍将列在航空航天标准索引的数字部分，并指出其已被SAE ARP 4771取代。本SAE航空航天信息报告（AIR）包含的信息可供航空运输行业用于为前向座椅上的乘客提供，仅使用腰带约束装置，并具有一致的“碰撞支撑”位置。该信息旨在减少乘客在不同飞机或不同航母上旅行时，在被呈现不同的“碰撞支撑”位置时可能会遇到的潜在困惑。 本文件不涉及儿童约束系统、成人乘客坐在固定桌子后面、使用上身约束系统或乘客未坐在前向座椅上的情况。

This document has been declared "CANCELLED" as of December 2009 and has been superseded by SAE ARP 4771. by this action, this document will remain listed in the Numercial Section of the Aerospace Standards Index noting that it is superseded by SAE ARP 4771.This SAE Aerospace Information Report (AIR) contains information that can be used by the air transportation industry to provide passengers in forward facing seats, using lap belt restraints only, with consistent "brace for impact" positions. This information is intended to reduce the potential confusion passengers may experience upon being presented with different "brace for impact" positions as they travel on different aircraft or on different carriers. This document does not address child restraint, situations where adult passengers are seated behind fixed tables, or who are using upper-torso restraint, or where passengers are not seated in forward facing seats.