BENDIXKing AeroNav 910 Pilot's Manual page 175

flags allow an overview of general weather conditions in an
area.
Graphical METAR Legend

AIRMETs and SIGMETs (US only) – These are areas where
the National Weather Service has issued advisories for
various types of hazardous weather. They are depicted on
the Map page along with an abbreviated description of the
hazard, such as "ICE" (icing), "MTN" (mountain obscuration),
or "IFR" (instrument flight conditions).
AIRMETs and SIGMETs Detail MAP Page
89000039-010
Rev 1 May 2019
AeroNav 900/880 Series Pilot's Guide
Map Subsystem 4-25