S-TEC ST-901, Pilot Operating Handbook

Page: 20 / 34

5th Ed. Feb 15, 08 3-5
S–TEC
Fig. 3-1. GPS Overlay of VOR / DME-A Approach
1. a. Set the Heading Bug under the Lubber Line.
b. Engage the GPSS Converter's HDG mode.
c. Engage the autopilot's HDG mode.
d. Program the GPS Navigator with the desired approach.
e. Engage the GPSS Converter's GPSS mode.
f. The autopilot begins tracking to the Initial Approach Fix (IAF).
2. a. The autopilot intercepts the IAF, and then tracks around the arc.
3. a. The autopilot becomes established on the inbound course.
b. At the Missed Approach Point (MAP), disconnect the autopilot for a landing
or go-around, as required.