http://siu.evanyoungblood.com/ 2026-04-17T13:46:15+0000 http://siu.evanyoungblood.com/ http://siu.evanyoungblood.com/lib/tpl/dokuwiki/images/favicon.ico text/html 2018-01-14T22:37:50+0000 Anonymous (anonymous@undisclosed.example.com) http://siu.evanyoungblood.com/doku.php?id=courses:201b:supp:hiwas&rev=1515969470&do=diff Hazardous Inflight Weather Advisory Service (HIWAS) Hazardous Inflight Weather Advisory Service (HIWAS), available in the 48 conterminous states, is an automated continuous broadcast of hazardous weather information over selected VOR navigational aids (NAVAIDs). The broadcasts include advisories such as AIRMETS, SIGMETS, convective SIGMETS, and urgent PIREPs. The broadcasts are automatically updated as changes occur. Pilots should contact a FSS or EFAS for additional informati… text/html 2018-01-23T15:43:45+0000 Anonymous (anonymous@undisclosed.example.com) http://siu.evanyoungblood.com/doku.php?id=courses:201b:supp:runway_incursion&rev=1516722225&do=diff Runway Incursion Avoidance Key Locations * Taxiways that cross runways (KLZU) * Crossing runways (KCGI) * LAHSO Operations * Uncontrolled fields PHAK Recommendations * Read back all runway crossing and/or hold instructions. * Review airport layouts as part of preflight planning, before descending to land and while taxiing, as text/html 2018-01-15T02:13:10+0000 Anonymous (anonymous@undisclosed.example.com) http://siu.evanyoungblood.com/doku.php?id=courses:201b:supp:vasipapi&rev=1515982390&do=diff VASI PAPI text/html 2018-01-14T21:48:54+0000 Anonymous (anonymous@undisclosed.example.com) http://siu.evanyoungblood.com/doku.php?id=courses:201b:supp:wst&rev=1515966534&do=diff Convective Significant Meteorological Information (WST) A Convective SIGMET (WST) is an inflight weather advisory issued for hazardous convective weather that affects the safety of every flight. Convective SIGMETs are issued for severe thunderstorms with surface winds greater than 50 knots, hail at the surface greater than or equal to ¾ inch in diameter, or tornadoes. They are also issued to advise pilots of embedded thunderstorms, lines of thunderstorms, or thunderstorms wi…