BN Business News
Business Maps⌕ Search Business News
Add your company to Business Communicator →

Business · 28/07/1994Updated: 10/16/2026 · 1 min read

Airworthiness Directives; AlliedSignal Aerospace GTCP85 Series Auxiliary Power Units

Summary

The Federal Aviation Administration proposes a new airworthiness directive for AlliedSignal Aerospace GTCP85 series auxiliary power units to prevent uncontained failures and damage to aircraft.

Original source language: Federal Register — Transportation DepartmentOpen original release →

Explore insights

Business insights →
6

Business · 9/14/2026

FAA Proposes New Airworthiness Directive for Bombardier Airplanes to Address Pitch Upset Issue

The Federal Aviation Administration (FAA) has proposed a new airworthiness directive (AD) for Bombardier, Inc.'s Model BD-100-1A10 airplanes to address reports of pitch upset upon autopilot disconnect, following engine indication and crew alerting system (EICAS) messages. The proposed AD aims to revise the existing flight manual to provide emergency procedures for stabilizing airspeed in certain conditions.

Read summary →

Business · 9/14/2026

FAA Proposes New Airworthiness Directive for CFM International Engines

The Federal Aviation Administration (FAA) has proposed a new airworthiness directive (AD) to address a safety issue with certain CFM International, S.A. (CFM) Model CFM56-5B, CFM56-5C, and CFM56-7B engines, which have experienced honeycomb separation from the surface of high-pressure turbine (HPT) inner stationary seals, prompting multiple reports and prompting the FAA to issue this proposed AD to ensure the safe operation of these aircraft engines.

Read summary →