Commercial Fixed Wing
Flight Crew Multiengine; Flight Crew Instrument; Flight Crew Air Transport Pilot (ATP)
Distraction; Situational Awareness; Troubleshooting
Aircraft Equipment Problem Less Severe; Inflight Event / Encounter Other / Unknown
Air Traffic Control Provided Assistance; Aircraft Equipment Problem Dissipated; Flight Crew FLC complied w / Automation / Advisory; Flight Crew Overcame Equipment Problem; Flight Crew Requested ATC Assistance / Clarification
Aircraft; Environment - Non Weather Related
Received intermittent ATC Fault and right GPS EICAS message when crossing the military range of New Mexico. Notified ATC and complied with QRH. After exiting the military airspace; both messages disappeared and system worked fine.
Apparent GPS jamming near military airspace over New Mexico. Received ATC Fault and right GPS EICAS messages.  Selected radio updating for FMS.  Indications went away after clearing the airspace.  System then worked as designed. No human performance issues present as causal.
Air carrier flight crew reported possible GPS jamming over New Mexico and near military airspace. After leaving the area the GPS returned to normal operation.