An air carrier pilot reported suspected GPS jamming.

Attributes
ACN	1653117
Time
Date	201906
Local Time Of Day	1201-1800
Place
Locale Reference	ORBB.ARTCC
State Reference	FO
Environment
Flight Conditions	VMC
Aircraft 1
Make Model Name	McDonnell Douglas Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	Cruise
Flight Plan	IFR
Component
Aircraft Component	GPS & Other Satellite Navigation
Person 1
Function	Captain
Qualification	Flight Crew Multiengine Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument
Events
Anomaly	Aircraft Equipment Problem Less Severe

Narrative:

On airway UM860; we simultaneously received a GNS 1 and 2 failure. The aircraft went to right/I nav. I suspected GPS jamming.

Original NASA ASRS Text

Title: An air carrier pilot reported suspected GPS jamming.

Narrative: On Airway UM860; we simultaneously received a GNS 1 and 2 failure. The aircraft went to R/I nav. I suspected GPS jamming.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.