Figure 2-159: Text Sigmets - BENDIXKing AV80R User Manual

Honeywell Bendix/King AV8OR Handheld User's Guide
freezing levels. AIRMETs are considered widespread because they
must either be affecting or forecast to affect an area at least 3,000
square miles. However, during the forecast period, the actual
affected area may be much smaller. AIRMETs are issued every six
hours and the maximum forecast period is 6 hours.
An AIRMET contains elements in the following order:
• Forecast Area
• Report Type
• Date and time issued
• Report designation and reason for issuance
• Validity period
• Area of coverage
• Weather phenomenon details.
TEXT SIGMETS (USA ONLY)
Tap on the CHOOSE PRODUCT soft key on the Weather Main page
and select Text SIGMETs from the SELECT WX PRODUCT box.
A SIGMET) is an advisory of non-convective weather that is
potentially hazardous to all aircraft. SIGMETs address details
regarding severe icing not associated with thunderstorms, severe or
extreme turbulence not associated with thunderstorms, dust or sand
storms lowering visibility to less than 3 miles, volcanic ash. SIGMETs
are considered widespread because they must either be affecting or
Weather Function
Page 2-112
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Figure 2-159: Text SIGMETs

D200803000008
Rev 5 Mar 2012