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Entering
downwind, base,
and final. Leaving
the runway.
2. The CTAF frequency for a particular airport
is contained in the A/FD, Alaska Supplement, Alaska
Terminal Publication, Instrument Approach Procedure
Charts, and Instrument Departure Procedure
(DP) Charts. Also, the CTAF frequency can be
obtained by contacting any FSS. Use of the
appropriate CTAF, combined with a visual alertness
and application of the following recommended good
operating practices, will enhance safety of flight into
and out of all uncontrolled airports.
c. Recommended Traffic Advisory Practices
1. Pilots of inbound traffic should monitor and
communicate as appropriate on the designated CTAF
from 10 miles to landing. Pilots of departing aircraft
should monitor/communicate on the appropriate
frequency from start-up, during taxi, and until
10 miles from the airport unless the CFRs or local
procedures require otherwise.
2. Pilots of aircraft conducting other than
arriving or departing operations at altitudes normally
used by arriving and departing aircraft should
monitor/communicate on the appropriate frequency
while within 10 miles of the airport unless required to
do otherwise by the CFRs or local procedures. Such
operations include parachute jumping/dropping, en
route, practicing maneuvers, etc.
REFERENCE−
AIM, Parachute Jump Aircraft Operations, Paragraph 3−5−4.
d. Airport Advisory/Information Services
Provided by a FSS
1. There are three advisory type services
provided at selected airports.
(a) Local Airport Advisory (LAA) is provided
at airports that have a FSS physically located on
the airport, which does not have a control tower or
where the tower is operated on a part−time basis. The
CTAF for LAA airports is disseminated in the
appropriate aeronautical publications.
AIM 2/19/04
4−1−4 Services Available to Pilots
(b) Remote Airport Advisory (RAA) is
provided at selected very busy GA airports, which do
not have an operating control tower. The CTAF for
RAA airports is disseminated in the appropriate
aeronautical publications.
(c) Remote Airport Information Service
(RAIS) is provided in support of special events
at nontowered airports by request from the airport
authority.
2. In communicating with a CTAF FSS, check
the airport’s automated weather and establish
two−way communications before transmitting outbound/
inbound intentions or information. An inbound
aircraft should initiate contact approximately
10 miles from the airport, reporting aircraft
identification and type, altitude, location relative to
the airport, intentions (landing or over flight),
possession of the automated weather, and request
airport advisory or airport information service. A
departing aircraft should initiate contact before
taxiing, reporting aircraft identification and type,
VFR or IFR, location on the airport, intentions,
direction of take−off, possession of the automated
weather, and request airport advisory or information
service. Also, report intentions before taxiing onto
the active runway for departure. If you must change
frequencies for other service after initial report to
FSS, return to FSS frequency for traffic update.
(a) Inbound
EXAMPLE−
Vero Beach radio, Centurion Six Niner Delta Delta is ten
miles south, two thousand, landing Vero Beach. I have the
automated weather, request airport advisory.
(b) Outbound
EXAMPLE−
Vero Beach radio, Centurion Six Niner Delta Delta, ready
to taxi to runway 22, VFR, departing to the southwest. I
have the automated weather, request airport advisory.
3. Airport advisory service includes wind
direction and velocity, favored or designated runway,
altimeter setting, known airborne and ground traffic,
NOTAMs, airport taxi routes, airport traffic pattern
information, and instrument approach procedures.
These elements are varied so as to best serve the
current traffic situation. Some airport managers have
specified that under certain wind or other conditions
designated runways be used. Pilots should advise the
FSS of the runway they intend to use.
CAUTION−
All aircraft in the vicinity of an airport may not be in
communication with the FSS.
e. Information Provided by Aeronautical
Advisory Stations (UNICOM)
1. UNICOM is a nongovernment air/ground
radio communication station which may provide
airport information at public use airports where there
is no tower or FSS.
2. On pilot request, UNICOM stations may
　
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