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Advisory Unit (NAWAU), as appropriate, when
further information or clarification is needed
regarding SIGMET, convective SIGMET, AIRMET,
and FA products.
4-6-6. PILOT WEATHER REPORTS
a. Actively solicit and disseminate PIREPs in
accordance with , . Additionally, PIREPs concerning
winds and temperature aloft, windshear, turbulence,
and icing shall be solicited and disseminated when
one or more of these conditions or criteria exists.
Flight Watch specialists shall solicit sufficient
PIREPs to remain aware of flight conditions.
b. Maintain a graphic display of pertinent PIREPs
within the FWA. Periodically review the display and
actively solicit additional PIREPs when necessary to
ensure completeness and accuracy of the information.
c. Requests for special solicitation of PIREPs
from other facilities or the NWS shall be honored as
rapidly as operations permit.
4-6-7. GRAPHIC WEATHER DISPLAY
a. Flight watch specialists shall review, (if
available) as a minimum, the graphic display
information (computer “view sequence,” pictorial or
written) listed below prior to assuming FW duties.
Review the chart, computer “view sequence,” and
written data as needed during the watch to update and
maintain a thorough knowledge of weather synoptic
and forecast information affecting aviation operations.
1. Surface Analysis.
2. Weather Depiction Analysis.
3. National Weather Radar Summary.
4. Lifted Index Analysis.
5. Freezing Level Analysis.
6. 850 mb Upper Air Analysis.
7. 700 mb Upper Air Analysis.
8. 500 mb Upper Air Analysis.
9. 300 mb Upper Air Analysis.
10. 250 mb Upper Air Analysis.
11. 200 mb Upper Air Analysis.
12. 500 mb Heights and Vorticity Analysis.
13. 500 mb Heights and Vorticity Prognosis.
14. High Level Significant Weather Prognosis.
15. 12 and 24-hour Low Level Significant
Weather Prognosis.
16. 36 and 48-hour Low Level Significant
Weather Prognosis.
17. Maximum Temperature 24 and 36-hour
Forecast.
18. Minimum Temperature 24 and 36-hour
Forecast.
19. Winds Aloft Forecast.
20. Severe Weather Outlook.
b. Where hard copy charts are received and locally
enhanced, conform to the standards established in
para 3-1-4.
c. Access local and remote weather displays as
necessary to maintain current knowledge of
precipitation intensity, movement, and coverage.
Provide pertinent real-time weather radar information
that will directly impact the aircraft's flight.
NOTESpecialist
judgment should be exercised to determine if
the pilot would be better served by more general
information such as radar summary data when the aircraft
is one hour or more from the destination airport.
2/14/08 JO 7110.10T
En Route Flight Advisory Service (EFAS) 4-6-3
4-6-8. INTERRUPTIONS TO SERVICE
Notification of temporary outages, either equipment
or operational, shall be made in accordance with
FAAO 7930.2, Notices to Airmen (NOTAM).
Additionally, notify adjacent FWCSs of outages
where overlapping coverage may occur to provide
continuous service.
4-6-9. EMERGENCIES
a. Emergency situations shall be handled in
accordance with Chapter 5.
b. When working an aircraft in an emergency
situation over a remote outlet, the normal procedure
is to provide assistance on the initial contact
frequency. Flight watch specialists should bear in
mind that air traffic facilities based at, or near to, the
remote location may be in a better position to assist
the pilot. A decision to affect a frequency change
should be based on the situation and circumstances
involved in the emergency.

2/14/08 JO 7110.10T
General 5-1-1
Chapter 5. Emergency Services
Section 1. General
5-1-1. EMERGENCY DETERMINATION
a. Because of the infinite variety of possible
emergency situations, specific procedures cannot be
prescribed. However, when you believe an emergency
exists or is imminent, select and pursue a course
of action which appears to be most appropriate under
the circumstances, and which most nearly conforms
to the instructions in this manual.
b. An emergency can be either a DISTRESS or
URGENCY condition, as defined in the Pilot/
Controller Glossary.
NOTEA
pilot who encounters a DISTRESS condition may
declare an emergency by beginning the initial communication
with the word MAYDAY, preferably repeated
three times. For an URGENCY condition, the word
PAN-PAN may be used in the same manner.
c. If the words MAYDAY or PAN-PAN are not
used, and you are in doubt that a situation constitutes
　
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