Business · 24/07/1998Updated: 10/17/2026 · 1 min read
AlliedSignal Inc. Issues Airworthiness Directive for KT 76A Air Traffic Control (ATC) Transponders
The Federal Aviation Administration (FAA) has issued an airworthiness directive requiring the replacement of certain KT 76A air traffic control transponders due to a potential safety risk, according to AlliedSignal Inc.