T-45A UJPT & E2-C2 INav-02
Introduction to INav and Voice Procedures
NOTE: For all practical purposes, U.S. airspace
Sg 3, fr 10: En Route - Initial
has total radar coverage. There is, however, the
Contact With Center - Non-radar
possibility of equipment failure which would
place airborne aircraft in a non-radar
Sg 3, fr 10 Cont.: Audio & Audio
Text - Initial Contact With Center -
environment. Major failures of Center's radar
systems have occurred. In those situations,
pilots should be prepared to make full non-radar
If RADAR contact is lost, the controller will
advise the pilot, "RADAR service terminated,"
which normally indicates a transfer from a radar-
controlled sector to a non-radar sector. At that
time, normally, the controller will request the
pilot to report specific fixes along the route of
flight. At each location, the pilot will make a
courtesy call which only includes the name of
the fix. If the controller requires a full report, the
reply will be "Go ahead." The pilot must reply
with a full non-radar position report. Report
position, time, altitude, position, time, position.
"Navy Bravo two zero zero, Houston Center,
radar service terminated, contact Houston
Center on two niner one point six"
"Navy Bravo two zero zero switching two niner
one point six."
"Houston Center, Navy Bravo two zero zero,
San Antonio one six zero, at four six, climbing
flight level two eight zero for three one zero."