a fix (turn point or intermediate checkpoint) approximately every three to six minutes. Using this
pacing, time is allotted for proper analysis, compensation and correction, as well as allowing
convenient use of the five-minute rules.
6.5.17. Finishing the Chart
18.104.22.168. Trim your chart as necessary, leaving at least 20 NM of area coverage around chart
points and centerlines. Affix a copy of the applicable AP-1B extract and the completed VNAV
worksheet to the back of the chart. Sign the chart in black ballpoint pen near the middle of the
route. Finally, cross check your chart with either other student charts or instructor assistance.
6.6. VNAV FUEL PLANNING
6.6.1. Mission Profiles
22.214.171.124. Two VNAV mission profiles are available, non-stereo and stereo.
126.96.36.199.1. Non-Stereo: Non-stereo sorties are scheduled when only one student requires
low-level training or if a non-local low-level is planned. Low-level routes outside of the
local area provide alternate mission scenarios for times when local weather prohibits
(3000' Ceiling, 5nm visibility) use of the local routes. Students may receive 24 hours
notice before flying one of these routes, but this is not always the case. As a minimum,
complete all local low-level charts before flying your first T-1A/T-39 sortie, and have the
points and course lines plotted for the non-local routes listed in figure 6-1. If scheduled
to fly a non-local route, a formal DD-175 is required, the mission brief begins at base
operations, and typically only one low-level route is flown per sortie.
NOTE: Regardless of stereo or non-stereo flight planning, each student must have a completed
chart, jet card, and DD-175 for each VNAV sortie prior to the brief.
188.8.131.52.2. Stereo: Most common for VNAV sorties, T-1A/T-39 VNAV stereo routes
allow two students to receive low-level training in one sortie. Student #1 flies the
departure phase through the first low-level route; student #2 flies the second low-level
route through the approach phase. This profile (illustrated in figure 6-12) includes local
area low-level routes incorporated in stereo flight plans. The primary stereo routes used
by VT-4/10 for low-level training include VR-1020, VR-1021 and VR-1022 for flights
VNAV 5 through VNAV 7. Additionally, the stereo routes allow students with different
requirements (VNAV 6 vs. VNAV 7) to fly on the same sortie. Even though a stereo
route is filed, a practice DD-175 is still required from both students. For the most current
and complete description of the following stereo routes, students should refer to the
T-1A/T-39 In-flight Guide.