GPS Procedure-Turn Procedures

CHAPTER SEVEN

T-34C INSTRUMENTS

The double RMI needle now provides information from the KLN

900, but the NACWS display continues to indicate DME from the

selected TACAN or VOR/DME.

Brief the approach. If required determine step-down altitudes using the profile view

on the approach plate.

WARNING

The GPS always displays distance to the active waypoint, which

is different than the DME distance from the navaid on the

instrument approach procedure. Pilots must exercise extreme

caution to preclude either a dangerously early or late descent on

final. DO NOT confuse GPS distance with DME.

Verify APR ARM is annunciated within 30 NM of the airfield.

NOTE

The CDI scale factor will smoothly change for + 5.0NM to + 1.0

NM full deflection at this time. The CDI scale is in NM not

degrees.

Press ALT to verify the altimeter setting in the KLN 900.

Select OBS mode prior to IAF if IAF/FAF are co-located OR after if IAF/FAF are not

co-located.

NOTE

The pilot must be familiar with the OBS/LEG function to determine

the appropriate position to select either function. Step g will be

correct for most approaches, but the pilot must ensure the correct

OBS/LEG function will be selected depending upon the IAF/FAF

position.

At IAF perform 6 Ts.

At the end of the 2-minute outbound timing, execute the 45/180, course reversal.

NOTE

Ensure the procedure turn is completed more then 3 NM from

7-40 INSTRUMENT NAVIGATION