Loss of the GPS Data

TASK 34-58-00-810-829-A
Loss of the GPS Data

1. Possible Causes

2. Fault Confirmation
Subtask 34-58-00-700-051-A

A. Test
Not applicable, you cannot confirm this fault on the ground.

3. Fault Isolation
Subtask 34-58-00-810-078-A

A. If the amber GPS PRIMARY LOST message is shown on the Navigation Display (ND), and the Post Flight Report (PFR) gives the ECAM warning messages NAV GPS1 FAULT and NAV GPS2 FAULT:

do a check for maintenance messages related to the GPS on the PFR.
Do the trouble shooting procedures related to the maintenance messages.

[Rev.8 from Aug 2018] 2026.04.04 04:33:34 UTC