Statements (33)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:aviation_weather_advisory | 
| gptkbp:AIRMET_Sierra | IFR conditions and mountain obscuration | 
| gptkbp:AIRMET_Tango | turbulence and strong surface winds | 
| gptkbp:AIRMET_Zulu | icing and freezing levels | 
| gptkbp:appliesTo | gptkb:aircraft general aviation | 
| gptkbp:covers | moderate icing moderate turbulence mountain obscuration sustained surface winds of 30 knots or more widespread areas of ceilings less than 1,000 feet widespread areas of visibility less than 3 miles | 
| gptkbp:distribution | aviation weather briefings flight planning systems | 
| gptkbp:frequency | issued every 6 hours | 
| gptkbp:issuedBy | gptkb:National_Weather_Service gptkb:Aviation_Weather_Center | 
| gptkbp:language | plain language abbreviated weather code | 
| gptkbp:purpose | warn pilots of weather hazards | 
| gptkbp:region | gptkb:United_States | 
| gptkbp:relatedTo | gptkb:SIGMETs pilot weather reports | 
| gptkbp:type | gptkb:Zulu gptkb:dance Sierra | 
| gptkbp:usedBy | air traffic controllers flight dispatchers pilots | 
| gptkbp:validOn | up to 6 hours | 
| gptkbp:bfsParent | gptkb:Aviation_Weather_Center | 
| gptkbp:bfsLayer | 6 | 
| https://www.w3.org/2000/01/rdf-schema#label | AIRMETs |