GPS Holding

CHAPTER SEVEN

T-34C INSTRUMENTS

execute the missed approach procedure. Automatic sequencing will

cease at the MAP. If a missed approach is required, the pilot must

manually sequence the system to the missed approach WPT.

Press the "DIRECT TO" key followed by the "ENTER" key, and verify the default

WPT is the missed approach WPT defined in the procedure. Remain in LEG mode for

direct to the WPT.

11.

GPS HOLDING

Once cleared to a holding fix, use the "DIRECT TO" function of the GPS to highlight, select and

enter the holding fix as the active waypoint in the active flight plan (FPL 0.) Select LEG mode

and proceed direct to the fix. The LEG mode provides the direct course routing to the active

waypoint from the aircraft's present position at the time the "DIRECT TO" function was initiated.

Just prior to arriving at the holding fix, select OBS mode and dial in the holding course. Once at

the holding fix, enter the holding pattern using normal entry procedures. Ensure the holding fix is

still the active waypoint. If not, select (from FPL 0) and re-enter the holding fix as the active

waypoint. Selection of OBS mode prior to arriving at the holding fix is necessary in order to

disable automatic waypoint sequencing. The selection of OBS mode also allows the pilot

(possessing avionics command and having GPS selected) to dial in the holding course using the

OBS knob on the CDI. The holding course is best visible on the SUPER NAV 5 page and it is

recommended that the holding pattern be conducted with this page displayed on the GPS and the

automatic range scale feature activated.

12.

GPS HOLDING PROCEDURES

Select cockpit navigation source to GPS.

Ensure the holding fix is the active WPT.

Select LEG mode enroute to the Holding Fix.

ii.

Select OBS mode just prior to the Holding Fix and dial the CDI to the course that

was given in the LEG mode. This will give a direct course to the holding WPT.

Determine direction for entry using Standard Holding or Non-Standard holding entry

procedures.

At the Holding Fix conduct 6 Ts. Standard-rate turns will be used while in holding.

NOTES

Timing or GPS distance may be used for leg lengths

7-42 INSTRUMENT NAVIGATION