Garmin G300 Pilot’s Guide190-00921-00 Rev. D 139hazard avoidanceSystemOverviewFlightInstruments EISCOMInterfaceGPSNavigationFlightPlanningHazardAvoidanceAdditionalFeaturesIntegratedAutopilot Annun/Alerts Appendix IndexVFR (ceiling greater than 3000 feet AGL and visibility greater than 5miles)Marginal VFR (ceiling 1000-3000 feet AGL and/or visibility 3-5 miles)IFR (ceiling 500 to below 1000 feet AGL and/or visibility 1 mile to lessthan 3 miles)Low IFR (ceiling below 500 feet AGL or visibility less than 1 mile)METAR text does not contain adequate information to determineflight conditionsMETAR Selected With MapPointerMETAR LegendAIRMETSAn AIRMET (AIRmen’s METeorological Information) can be especially helpfulfor pilots of light aircraft that have limited flight capability or instrumentation.An AIRMET must affect or be forecast to affect an area of at least 3,000 squaremiles at any one time. AIRMETs are routinely issued for six-hour periods andare amended as necessary due to changing weather conditions. AIRMETs aredisplayed as colored, dashed lines.SIGMETSA SIGMET (SIGnificant METeorological Information) advises of weather that ispotentially hazardous to all aircraft. In the contiguous United States, the followingitems are covered: severe icing, severe or extreme turbulence, volcanic ash, duststorms, and sandstorms that lower visibility to less than three statute miles.
