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altitude assigned will assure IFR obstruction
clearance from the point at which the approach clearance
is issued until established on a segment of a published route
or IAP. If uncertain of the meaning of the clearance,
immediately request clarification from ATC.
c. Several IAPs, using various navigation and
approach aids may be authorized for an airport. ATC
may advise that a particular approach procedure is
being used, primarily to expedite traffic. If issued a
clearance that specifies a particular approach
procedure, notify ATC immediately if a different one
is desired. In this event it may be necessary for ATC
to withhold clearance for the different approach until
such time as traffic conditions permit. However, a
pilot involved in an emergency situation will be given
priority. If the pilot is not familiar with the specific
approach procedure, ATC should be advised and they
will provide detailed information on the execution of
the procedure.
REFERENCEAIM,
Advance Information on Instrument Approach, Paragraph 5-4-4.
d. At times ATC may not specify a particular
approach procedure in the clearance, but will state
“CLEARED APPROACH.” Such clearance
indicates that the pilot may execute any one of the
authorized IAPs for that airport. This clearance does
not constitute approval for the pilot to execute a
contact approach or a visual approach.
e. Except when being radar vectored to the final
approach course, when cleared for a specifically
prescribed IAP; i.e., “cleared ILS runway one niner
approach” or when “cleared approach” i.e., execution
of any procedure prescribed for the airport, pilots
shall execute the entire procedure commencing at an
IAF or an associated feeder route as described on the
IAP chart unless an appropriate new or revised ATC
clearance is received, or the IFR flight plan is
canceled.
f. Pilots planning flights to locations which are
private airfields or which have instrument approach
procedures based on private navigation aids should
obtain approval from the owner. In addition, the pilot
must be authorized by the FAA to fly special
instrument approach procedures associated with
private navigation aids (see paragraph 5-4-8).
Owners of navigation aids that are not for public use
may elect to turn off the signal for whatever reason
they may have; e.g., maintenance, energy
conservation, etc. Air traffic controllers are not
required to question pilots to determine if they have
permission to land at a private airfield or to use
procedures based on privately owned navigation aids,
and they may not know the status of the navigation
aid. Controllers presume a pilot has obtained
approval from the owner and the FAA for use of
special instrument approach procedures and is aware
of any details of the procedure if an IFR flight plan
was filed to that airport.
g. Pilots should not rely on radar to identify a fix
unless the fix is indicated as “RADAR” on the IAP.
Pilots may request radar identification of an OM, but
the controller may not be able to provide the service
due either to workload or not having the fix on the
video map.
h. If a missed approach is required, advise ATC
and include the reason (unless initiated by ATC).
Comply with the missed approach instructions for the
instrument approach procedure being executed,
unless otherwise directed by ATC.
REFERENCEAIM,
Missed Approach, Paragraph 5-4-21.
AIM, Missed Approach, Paragraph 5-5-5.
i. ATC may clear aircraft that have filed an
Advanced RNAV equipment suffix to the
intermediate fix when clearing aircraft for an
instrument approach procedure. ATC will take the
following actions when clearing Advanced RNAV
aircraft to the intermediate fix:
1. Provide radar monitoring to the intermediate
fix.
2. Advise the pilot to expect clearance direct to
the intermediate fix at least 5 miles from the fix.
NOTEThis
is to allow the pilot to program the RNAV equipment
to allow the aircraft to fly to the intermediate fix when
cleared by ATC.
3. Assign an altitude to maintain until the
intermediate fix.
7/31/08 AIM
AIM 2/14/08
5−4−26 Arrival Procedures
4. Insure 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.
5−4−8. Special Instrument Approach
Procedures
Instrument Approach Procedure (IAP) charts reflect
　
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