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AIM

10/12/17

5

−4−42

Arrival Procedures

b.

Radar Services. These services are provided for

each simultaneous independent approach.

1.

During turn on to parallel final approach,

aircraft are normally provided 3 miles radar
separation or a minimum of 1,000 feet vertical
separation. The assigned altitude must be maintained
until intercepting the glidepath, unless cleared
otherwise by ATC. Aircraft will not be vectored to
intercept the final approach course at an angle greater
than thirty degrees. 

NOTE

Some simultaneous operations permit the aircraft to track
an RNAV course beginning on downwind and continuing
in a turn to intercept the final approach course. In this case,
separation with the aircraft on the adjacent final approach
course is provided by the monitor controller with reference
to an NTZ.

2.

The final monitor controller will have the

capability of overriding the tower controller on the
tower frequency.

3.

Pilots will be instructed to contact the tower

frequency prior to the point where NTZ monitoring
begins.

4.

Aircraft observed to overshoot the turn

−on or

to continue on a track which will penetrate the NTZ
will be instructed to return to the correct final
approach course immediately. The final monitor
controller may cancel the approach clearance, and
issue missed approach or other instructions to the
deviating aircraft.

PHRASEOLOGY

“(Aircraft call sign) YOU HAVE CROSSED THE FINAL
APPROACH COURSE. TURN (left/right)
IMMEDIATELY AND RETURN TO THE FINAL
APPROACH COURSE,”

or

“(aircraft call sign) TURN (left/right) AND RETURN TO
THE FINAL APPROACH COURSE.”

5.

If a deviating aircraft fails to respond to such

instructions or is observed penetrating the NTZ, the
aircraft on the adjacent final approach course (if
threatened), will be issued a breakout instruction.

PHRASEOLOGY

“TRAFFIC ALERT (aircraft call sign) TURN (left/right)
IMMEDIATELY HEADING (degrees), (climb/descend)
AND MAINTAIN (altitude).”

6.

Radar monitoring will automatically be

terminated when visual separation is applied, the
aircraft reports the approach lights or runway in sight,
or the aircraft is 1 NM or less from the runway
threshold. Final monitor controllers will not advise
pilots when radar monitoring is terminated.

NOTE

Simultaneous independent approaches conducted to
runways spaced greater than 9,000 feet (or 9,200’ at
airports above 5,000’) do not require an NTZ. However,
from a pilot’s perspective, the same alerts relative to
deviating aircraft will be provided by ATC as are provided
when an NTZ is being monitored. Pilots may not be aware
as to whether or not an NTZ is being monitored.

3/15/07

7110.65R CHG 2

AIM

3/29/18