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If you’re not authorized to fly direct-to the missed approach holding point:
1. Release the GPS SEQ switch from the ARM position to return the CDI scale to the 1 nm
sensitivity. After the MAP has been crossed, press the
D
key. The GPS 155 will auto-
matically display the first waypoint of the missed approach as the next
approach waypoint.
2. Press
E
to confirm the destination.
3. Stop automatic waypoint sequencing by setting the GPS SEQ switch to the HOLD position.
4. Fly the published missed approach procedure. Select the intercept to the missed approach
holding point on the HSI.
5. Leave the GPS SEQ switch in the HOLD position to accomodate holding at the missed
approach holding point.
After a missed approach, the GPS 155 will allow you to repeat the same approach
procedure and select whatever approach waypoint you have been cleared to as the
next active to waypoint. Before reactivating the approach, make sure you fly all pub-
lished missed approach procedures. If you disarmed the approach during the course
of the previous attempt, be sure to set the GPS APPR switch to the ARM position.
To reactivate the same approach for another attempt:
1. Press the
R
key and rotate
O
to select the active route page.
2. Press
C
and rotate
O
to place the flashing cursor over the identifier of the approach
waypoint you have been given direct clearance to.
3. Press the
D
key, followed by
E
. The GPS 155 will provide navigation for the repeat
approach, starting with the approach waypoint you have selected.
69
APPROACH NAVIGATION
Missed Approach
Confirm the starting waypoint for the next
attempt by pressing ENTER.
Select the waypoint you have clearance to from
the active route page and press
D.
155man (GOOD) 7/24/98 1:57 PM Page 69