737 Flight Crew Operations Manual
11.7
Boeing Proprietary. Copyright © Boeing. May be subject to export restrictions under EAR. See title page for details.
D6-27370-4Q8-SJA
11.7
GPS
PT804 - PT813, PT817, PT826
PT804, PT810, PT817
PT813, PT826
1 Continue normal operation if ANP meets the
requirements for the phase of flight.
■ ■ ■ ■
INSTR SWITCH
PM398 - PQ976
1 No crew action needed in flight.
■ ■ ■ ■
GPS
GPS
Condition:
A GPS failure occurs.
Condition:
Both GPS receivers are failed.
Note: The FMC uses only IRS or radio inputs.
ADS-B is inoperative.
INSTR
SWITCH
INSTRUMENT SWITCH
Condition:
One of the following occurs:
•The EFI transfer switch has been moved
from the NORMAL position
•The IRS transfer switch has been moved
from the NORMAL position.
June 15, 2020