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of obtaining preflight briefings and inflight weather
information. Flight Service Specialists are qualified
and certificated by the NWS as Pilot Weather
Briefers. They are not authorized to make original
forecasts, but are authorized to translate and interpret
available forecasts (TAF) and reports (METAR/
SPECI) directly into terms describing the weather
conditions which you can expect along your flight
route and at your destination. Available aviation
weather reports and forecasts are displayed at each
AFSS/FSS. Some of the larger AFSSs/FSSs provide
a separate display for pilot use. Pilots should feel free
to use these self-briefing displays where available, or
to ask for a briefing or for assistance from the
specialist on duty. Three basic types of preflight
briefings are available: Standard Briefing, Abbreviated
Briefing, and Outlook Briefing. You should
specify to the briefer the type of briefing you want,
along with appropriate background information. This
will enable the briefer to tailor the information to your
intended flight. The following paragraphs describe
the types of briefings available and the information
provided in each.
3.7.2 Standard Briefing. You should request a
Standard Briefing any time you are planning a flight
and you have not received a previous briefing or have
not received preliminary information through mass
dissemination media; e.g., TIBS, TWEB (Alaska
only), etc. International data may be inaccurate or
incomplete. If you are planning a flight outside of
U.S. controlled airspace, the briefer will advise you
to check data as soon as practical after entering
foreign airspace, unless you advise that you have the
international cautionary advisory. The briefer will
automatically provide the following information in
the sequence listed, except as noted, when it is
applicable to your proposed flight.
3.7.2.1 Adverse Conditions. Significant meteorological
and aeronautical information that might
influence the pilot to alter the proposed flight;
e.g.,hazardous weather conditions, runway closures,
NAVAID outages.
3.7.2.2 VFR Flight Not Recommended. When
VFR flight is proposed and sky conditions or
visibilities are present or forecast, surface or aloft,
that in the briefer's judgment would make flight
under visual flight rules doubtful, the briefer will
describe the conditions, affected locations, and use
the phrase “VFR flight not recommended.” This
recommendation is advisory in nature. The final
decision as to whether the flight can be conducted
safely rests solely with the pilot.
3.7.2.3 Synopsis. A brief statement describing the
type, location, and movement of weather systems
and/or air masses which might affect the proposed
flight.
NOTEThe
first 3 elements of a standard briefing may be combined
in any order when the briefer believes it will help to
describe conditions more clearly.
3.7.2.4 Current Conditions. Reported weather
conditions applicable to the flight will be summarized
from all available sources; e.g., METARs, PIREPs,
RAREPs. This element may be omitted if the
proposed time of departure is beyond two hours,
unless the information is specifically requested by the
pilot.
3.7.2.5 En Route Forecast. En route conditions
forecast for the proposed route are summarized in
logical order; i.e., departure-climbout, en route, and
descent.
3.7.2.6 Destination Forecast. The destination
forecast (TAF) for the planned estimated time of
arrival (ETA). Any significant changes within 1 hour
before and after the planned arrival are included.
3.7.2.7 Winds Aloft. Forecast winds aloft for the
proposed route will be provided using degrees of the
compass. The briefer will interpolate wind directions
and speeds between levels and stations as necessary
to provide expected conditions at planned altitudes.
3.7.2.8 Notices to Airmen (NOTAMs)
a) Available NOTAM (D) information pertinent to
the proposed flight.
b) Available NOTAM (L) information pertinent to
the departure and/or local area, and pertinent FDC
NOTAMs.
c) FSS briefers do not provide FDC NOTAM
information for special instrument approach procedures
unless specifically asked. Pilots authorized by
30 AUG 07
AIP
United States of America
GEN 3.5-8
15 MAR 07
Nineteenth Edition Federal Aviation Administration
the FAA to use special instrument approach
procedures must specifically request FDC NOTAM
information for these procedures.
NOTENOTAM
information may be combined with current
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