The analog instrument panel on a Boeing 737.
Recent reports of interference with GPS and other global navigation satellite system (GNSS) signals have prompted the U.S. Federal Aviation Administration (FAA) to recommend that pilots be prepared to use conventional analog navigation aids (NAVAIDs) if there are indications of signal disruptions.
In Safety Alert for Operators (SAFO) 24002, issued in late January, the FAA noted that GPS/GNSS jamming and spoofing activities that have been reported worldwide “pose a potential safety of flight risk to civil aviation.” Jamming blocks a GPS/GNSS signal while spoofing threatens operations with false information.
“The recent jamming and spoofing incidents may pose increased safety of flight risks due to possible loss of situational awareness and increased pilot and …
