Business · 07/02/2011Updated: 10/17/2026 · 1 min read
The Boeing Company Issues Airworthiness Directive for 737-100, -200, -200C, -300, -400, and -500 Series Airplanes
Summary
The Boeing Company has adopted a new airworthiness directive requiring the installation of warning lights and revising flight manuals for certain 737 models to address a design change in the cabin altitude warning system and prevent flightcrew incapacitation due to hypoxia.
Original source language: Federal Register — Transportation DepartmentOpen original release →