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时间:2010-05-25 21:49来源:蓝天飞行翻译 作者:admin
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to the IAF is 3,000 feet.“Cleared direct LEFTT, maintain
at or above three thousand until LEFTT, cleared R-NAV
Runway One Eight approach.” The pilot does not have to
be cleared for a straight-in approach since no hold in lieu
of pattern is depicted at LEFTT.
4. Established on a heading or course that will
intercept the intermediate segment at the intermediate
fix, when an initial approach fix is published,
provided the following conditions are met:
(a) The instrument approach procedure is a
GPS or RNAV approach.
(b) Radar monitoring is provided to the
Intermediate Fix.
(c) The aircraft has filed an Advanced RNAV
equipment suffix.
(d) The pilot is advised to expect clearance
direct to the Intermediate Fix at least 5 miles from the
fix.
(e) The aircraft is assigned an altitude to
maintain until the Intermediate Fix.
(f) The aircraft is on a course that will
intercept the intermediate segment at an angle not
greater than 90 degrees and is at an altitude that will
permit normal descent from the Intermediate Fix to
the Final Approach Fix.
NOTEControllers
should expect aircraft to descend at
approximately 300 feet per NM when applying guidance in
subpara 4(f) above.
c. Except when applying radar procedures, timed
or visual approaches, clear an aircraft for an approach
to an airport when the preceding aircraft has landed
or canceled IFR flight plan.
d. Where instrument approaches require radar
monitoring and radar services are not available, do
not use the phraseology “cleared approach,” which
allows the pilot his/her choice of instrument
approaches.
e. Where a Terminal Arrival Area (TAA) has been
established to support RNAV approaches use the
procedures under subpara b1 and b2 above.
(SeeFIG 4-8-3.)
EXAMPLEAircraft
1: The aircraft has crossed the TAA boundary and
is established on a segment of the approach. “Cleared
R-NAV Runway One Eight Approach.”
Aircraft 2: The aircraft is inbound to the CHARR (right
corner) IAF on an unpublished direct route at 7,000 feet.
The minimum IFR altitude for IFR operations (14 CFR
Section 91.177) along this flight path to the IAF is
5,000feet. “Cleared to CHARR, Maintain at or above
fivethousand until entering the TAA, Cleared R-NAV
Runway One Eight Approach.”
JO 7110.65S 2/14/08
4-8-4 Approach Clearance Procedures
FIG 4-8-3
Basic “T” and TAA Design
2/14/08 JO 7110.65S
Approach Clearance Procedures 4-8-5
f. For GPS UNRELIABLE NOTAMs, inform
pilots requesting a GPS or RNAV approach that GPS
is unreliable and clear the aircraft for the approach.
This advisory may be omitted if contained in the
Automated Terminal Information System (ATIS)
broadcast.
g. For pilot reported GPS anomalies, advise
subsequent aircraft requesting a GPS or RNAV
approach that GPS is unreliable and clear the aircraft
for the approach. This advisory may be discontinued
after 15 minutes if no subsequent reports are received.
REFERENCEFAAO
JO 7110.65, Para 2-1-10, NAVAID Malfunctions.
FAAO JO 7110.65, Para 4-7-12, Airport Conditions.
PHRASEOLOGYCLEARED
(approach), GPS UNRELIABLE.
h. For Wide Area Augmentation System (WAAS)
UNAVAILABLE NOTAMs, advise aircraft requesting
a GPS or RNAV approach that WAAS is
unavailable and clear the aircraft for the approach.
This advisory may be omitted if contained in the ATIS
broadcast.
PHRASEOLOGYCLEARED
(approach), WAAS UNAVAILABLE.
NOTE-
1. WAAS UNAVAILABLE NOTAMs indicate a failure of a
WAAS system component. GPS/WAAS equipment reverts to
GPS-only operation and satisfies the requirements for
basic GPS equipment.
2. WAAS UNRELIABLE NOTAMs indicate predictive
coverage, are published for pilot preflight planning, and do
not require any controller action.
4-8-2. CLEARANCE LIMIT
Issue approach or other clearances, as required,
specifying the destination airport as the clearance
limit if airport traffic control service is not provided
even though this is a repetition of the initial clearance.
4-8-3. RELAYED APPROACH CLEARANCE
TERMINAL
Include the weather report, when it is required and
available, when an approach clearance is relayed
through a communication station other than an air
carrier company radio. You may do this by telling the
station to issue current weather.
4-8-4. ALTITUDE ASSIGNMENT FOR
MILITARY HIGH ALTITUDE INSTRUMENT
APPROACHES
Altitudes above those shown on the high altitude
instrument approach procedures chart may be
 
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