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Business · 07/09/2012Updated: 10/17/2026 · 1 min read

Sikorsky Proposes New Airworthiness Directive for S-70 Helicopters with GE T700 Engines

Summary

Sikorsky Aircraft Corporation is proposing a new airworthiness directive for certain Sikorsky Model S-70 helicopters powered by General Electric T700-GE-401C or T700-GE-701C engines, aimed at addressing fatigue failure concerns and preventing engine failure and loss of control.

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

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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.

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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.

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