m. Descent Instructions
When an aircraft reaches the
descent point, issue one of the
following, as proper:
(1) Unless a descent restriction exists, advise the aviator to
descend to the MDA.
Phraseology: (Number)
MILES
FROM
(RUNWAY,
AIRPORT,
or
HELIPORT).
DESCEND TO YOUR MINIMUM DESCENT
ALTITUDE.
(2) When a descent restriction exists, specify the prescribed
altitude.
When the aircraft has passed the altitude-limiting point,
advise the aviator to continue descent to the MDA.
Phraseology: (Number)
MILES
FROM
(RUNWAY,
AIRPORT,
or
HELIPORT).
DESCEND AND MAINTAIN (restriction
altitude).
DESCEND TO YOUR MINIMUM DESCENT ALTITUDE (once the
aircraft passes the altitude-limiting point).
n. Visual Reference Point
You may request aviators to report seeing the runway, approach or
runway lights, or airport. You may request the aviator of a helicopter
making a point-in-space approach to report when he can proceed to the
landing area by visual reference to a prescribed surface route.
Phraseology: REPORT (runway, approach or runway lights, or airport)
IN SIGHT.
REPORT WHEN ABLE TO PROCEED VISUALLY TO (airport or
heliport).
NOTE: This transmission is normally combined with descent instructions.
o. Final Approach Guidance
(1) Issue course guidance, tell the aviator when the aircraft is on
course, and frequently inform the aviator of any deviation from the
course.
Transmissions with aircraft on surveillance final approach
should occur about every 15 seconds.
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AV0906
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