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same precision as an ASR/PAR used by approach
AIM 2/14/08
5-4-4 Arrival Procedures
control facilities and towers, and the update rate is not
as fast. Therefore, pilots may be requested to report
established on the final approach course.
3. Whether aircraft are vectored to the appropriate
final approach course or provide their own
navigation on published routes to it, radar service is
automatically terminated when the landing is
completed or when instructed to change to advisory
frequency at uncontrolled airports, whichever occurs
first.
5-4-4. Advance Information on Instrument
Approach
a. When landing at airports with approach control
services and where two or more IAPs are published,
pilots will be provided in advance of their arrival with
the type of approach to expect or that they may be
vectored for a visual approach. This information will
be broadcast either by a controller or on ATIS. It will
not be furnished when the visibility is three miles or
better and the ceiling is at or above the highest initial
approach altitude established for any low altitude IAP
for the airport.
b. The purpose of this information is to aid the
pilot in planning arrival actions; however, it is not an
ATC clearance or commitment and is subject to
change. Pilots should bear in mind that fluctuating
weather, shifting winds, blocked runway, etc., are
conditions which may result in changes to approach
information previously received. It is important that
pilots advise ATC immediately they are unable to
execute the approach ATC advised will be used, or if
they prefer another type of approach.
c. Aircraft destined to uncontrolled airports,
which have automated weather data with broadcast
capability, should monitor the ASOS/AWOS frequency
to ascertain the current weather for the
airport. The pilot shall advise ATC when he/she has
received the broadcast weather and state his/her
intentions.
NOTE-
1. ASOS/AWOS should be set to provide one-minute
broadcast weather updates at uncontrolled airports that
are without weather broadcast capability by a human
observer.
2. Controllers will consider the long line disseminated
weather from an automated weather system at an
uncontrolled airport as trend and planning information
only and will rely on the pilot for current weather
information for the airport. If the pilot is unable to receive
the current broadcast weather, the last long line
disseminated weather will be issued to the pilot. When
receiving IFR services, the pilot/aircraft operator is
responsible for determining if weather/visibility is
adequate for approach/landing.
d. When making an IFR approach to an airport not
served by a tower or FSS, after ATC advises
“CHANGE TO ADVISORY FREQUENCY APPROVED”
you should broadcast your intentions,
including the type of approach being executed, your
position, and when over the final approach fix
inbound (nonprecision approach) or when over the
outer marker or fix used in lieu of the outer marker
inbound (precision approach). Continue to monitor
the appropriate frequency (UNICOM, etc.) for
reports from other pilots.
5-4-5. Instrument Approach Procedure
Charts
a. 14 CFR Section 91.175(a), Instrument approaches
to civil airports, requires the use of SIAPs
prescribed for the airport in 14 CFR Part 97 unless
otherwise authorized by the Administrator (including
ATC). If there are military procedures published at a
civil airport, aircraft operating under 14 CFR Part91
must use the civil procedure(s). Civil procedures are
defined with “FAA” in parenthesis; e.g., (FAA), at the
top, center of the procedure chart. DOD procedures
are defined using the abbreviation of the applicable
military service in parenthesis; e.g., (USAF), (USN),
(USA). 14 CFR Section 91.175(g), Military airports,
requires civil pilots flying into or out of military
airports to comply with the IAPs and takeoff and
landing minimums prescribed by the authority
having jurisdiction at those airports. Unless an
emergency exists, civil aircraft operating at military
airports normally require advance authorization,
commonly referred to as “Prior Permission
Required” or “PPR.” Information on obtaining a PPR
for a particular military airport can be found in the
Airport/Facility Directory.
NOTECivil
aircraft may conduct practice VFR approaches using
DOD instrument approach procedures when approved by
the air traffic controller.
1. IAPs (standard and special, civil and military)
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