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SIGMET

A SIGMET (Significant Meteorological Information) is a weather advisory issued to alert pilots of potentially hazardous en-route meteorological phenomena. These hazards include severe thunderstorms, severe turbulence, severe icing, and volcanic ash. A SIGMET provides information on the location, extent, and expected movement of these hazards and is relevant to all aircraft.

Key Points

  • •Stands for Significant Meteorological Information.
  • •Warns of severe weather hazards that affect the safety of all aircraft, regardless of type.
  • •Covers phenomena such as severe turbulence, severe icing, thunderstorms, and volcanic ash.
  • •Essential for pre-flight planning, in-flight monitoring, and rerouting decisions.

Exam Relevance

Reading and interpreting SIGMETs is a mandatory competency for pilots to ensure they avoid severe weather phenomena that threaten flight safety.

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SIGMET | The Pilot Exam