曝光台 注意防骗
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and an unpublished route will be used, issue an
appropriate crossing altitude to ensure terrain
clearance until the aircraft reaches a fix, point, or
route where the altitude information is available to
the pilot. When issuing a cruise clearance to an airport
which does not have a published instrument
approach, a cruise clearance without a crossing
restriction may be issued.
PHRASEOLOGYMAINTAIN/
CRUISE (altitude). MAINTAIN (altitude)
UNTIL (time, fix, waypoint),
or
(number of miles or minutes) MILES/MINUTES PAST (fix,
waypoint).
CROSS (fix, point, waypoint),
or
INTERCEPT (route) AT OR ABOVE (altitude), CRUISE
(altitude).
JO 7110.65S 2/14/08
4-5-4 Altitude Assignment and Verification
NOTE-
1. The crossing altitude must assure IFR obstruction
clearance to the point where the aircraft is established on
a segment of a published route or instrument approach
procedure.
2. When an aircraft is issued a cruise clearance to an
airport which does not have a published instrument
approach procedure, it is not possible to satisfy the
requirement for a crossing altitude that will ensure terrain
clearance until the aircraft reaches a fix, point, or route
where altitude information is available to the pilot. Under
those conditions, a cruise clearance without a crossing
restriction authorizes a pilot to determine the minimum
IFR altitude as prescribed in 14 CFR Section 91.177 and
descend to it at pilot discretion if it is lower than the altitude
specified in the cruise clearance.
b. Instructions to climb or descend including
restrictions, as required. Specify a time restriction
reference the UTC clock reading with a time check.
If you are relaying through an authorized communications
provider, such as ARINC, FSS, etc., advise the
radio operator to issue the current time to the aircraft
when the clearance is relayed. The requirement to
issue a time check shall be disregarded if the
clearance is issued via Controller Pilot Data Link
Communications (CPDLC).
EXAMPLE-
1. “United Four Seventeen, climb to reach one three
thousand at two two one five.”
“Time two two one one and one-quarter.”
The pilot is expected to be level at 13,000 feet at 2215 UTC.
2. Through Relay-“Speedbird Five, climb to reach flight
level three-five zero at one-two-one-five, time” (Issue a
time check).
REFERENCEFAAO
JO 7110.65, Para 1-2-1, Word Meanings.
FAAO JO 7110.65, Para 2-4-17, Numbers Usage.
PHRASEOLOGYCLIMB/
DESCEND AND MAINTAIN (altitude).
If required,
AFTER PASSING (fix, waypoint),
or
AT (time) (time in hours, minutes, and nearest quarter
minute).
CLIMB/DESCEND TO REACH (altitude)
AT (time (issue time check) or fix, waypoint),
or
AT (time). CLIMB/DESCEND AND MAINTAIN (altitude)
WHEN ESTABLISHED AT LEAST (number of miles or
minutes) MILES/MINUTES PAST (fix, waypoint) ON THE
(NAVAID) (specified) RADIAL.
CLIMB/DESCEND TO REACH (altitude) AT (time or fix,
waypoint),
or
A POINT (number of miles) MILES (direction) OF (name
of DME NAVAID),
or
MAINTAIN (altitude) UNTIL (time (issue time check), fix,
waypoint), THEN CLIMB/DESCEND AND MAINTAIN
(altitude).
Through relay:
CLIMB TO REACH (altitude) AT (time) (issue a time
check).
c. Specified altitude over a specified fix,
waypoint.
PHRASEOLOGYCROSS
(fix, waypoint) AT (altitude).
CROSS (fix, waypoint) AT OR ABOVE/BELOW (altitude).
d. A specified altitude over a specified fix for that
portion of a descent clearance where descent at pilot's
discretion is permissible. At any other time it is
practicable, authorize climb/descent at pilot's
discretion.
PHRASEOLOGYCLIMB/
DESCEND AT PILOT'S DISCRETION.
EXAMPLE-
“United Four Seventeen, descend and maintain sixthousand.”
NOTEThe
pilot is expected to commence descent upon receipt of
the clearance and to descend at the suggested rates
specified in the AIM, para 4-4-9, Adherence to Clearance,
until reaching the assigned altitude of 6,000 feet.
EXAMPLE-
“United Four Seventeen, descend at pilot's discretion,
maintain six thousand.”
NOTEThe
pilot is authorized to conduct descent within the
context of the term “at pilot's discretion” as described in
the AIM.
2/14/08 JO 7110.65S
Altitude Assignment and Verification 4-5-5
EXAMPLE-
“United Four Seventeen cross Lakeview V-O-R at or
above flight level two zero zero, descend and maintain
sixthousand.”
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