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'''Hazardous Inflight Weather Advisory Service''' ('''HIWAS'''<ref>{{cite web|url=http://www.faa.gov/documentLibrary/media/Order/ND/7340.1Z.pdf|title=Order JO 7340.1Z: Contractions|format=[[PDF]]|publisher=[[Federal Aviation Administration]]|date=March 15, 2007}}</ref>) is a continuous broadcast of hazardous weather information which is transmitted over selected [[VHF omnidirectional range|VOR]]s. This hazardous weather includes [[AIRMET]]s, [[SIGMET]]s, Convective SIGMETs, Center Weather Advisories (CWAs), Severe Alert Weather Watches (AWWs), and urgent [[PIREP]]s.<ref>{{cite web|title=Aeronautical Information Manual|url=https://www.faa.gov/air_traffic/publications/|website=Air Traffic Plans and Publications|publisher=Federal Aviation Administration|accessdate=7 December 2016}}</ref>
'''Hazardous Inflight Weather Advisory Service''' ('''HIWAS'''<ref>{{cite web|url=http://www.faa.gov/documentLibrary/media/Order/ND/7340.1Z.pdf|title=Order JO 7340.1Z: Contractions|format=[[PDF]]|publisher=[[Federal Aviation Administration]]|date=March 15, 2007}}</ref>) is a continuous broadcast of hazardous weather information which is transmitted over selected [[VHF omnidirectional range|VOR]]s. This hazardous weather includes [[AIRMET]]s, [[SIGMET]]s, Convective SIGMETs, Center Weather Advisories (CWAs), Severe Alert Weather Watches (AWWs), and urgent [[PIREP]]s.<ref>{{cite web|title=Aeronautical Information Manual|url=https://www.faa.gov/air_traffic/publications/|website=Air Traffic Plans and Publications|publisher=Federal Aviation Administration|accessdate=7 December 2016}}</ref>


The presence of HIWAS information on a VOR is indicated on a [[sectional chart|sectional]] or [[terminal area chart]] by an "H" in the upper-right corner of the box surrounding the [[NAVAID]] frequency.<ref>[http://www.faa.gov/library/manuals/aviation/pilot_handbook/media/faa-h-8083-25-3of4.pdf Weather Theory]</ref>
The presence of HIWAS information on a VOR is indicated on a [[sectional chart|sectional]] or [[terminal area chart]] by an "H" in the upper-right corner of the box surrounding the [[NAVAID]] frequency.<ref>[http://www.faa.gov/library/manuals/aviation/pilot_handbook/media/faa-h-8083-25-3of4.pdf Weather Theory] {{webarchive|url=https://web.archive.org/web/20070125162659/http://www.faa.gov/library/manuals/aviation/pilot_handbook/media/faa-h-8083-25-3of4.pdf |date=2007-01-25 }}</ref>


==References==
==References==

Revision as of 06:14, 26 January 2018

Hazardous Inflight Weather Advisory Service (HIWAS[1]) is a continuous broadcast of hazardous weather information which is transmitted over selected VORs. This hazardous weather includes AIRMETs, SIGMETs, Convective SIGMETs, Center Weather Advisories (CWAs), Severe Alert Weather Watches (AWWs), and urgent PIREPs.[2]

The presence of HIWAS information on a VOR is indicated on a sectional or terminal area chart by an "H" in the upper-right corner of the box surrounding the NAVAID frequency.[3]

References

  1. ^ "Order JO 7340.1Z: Contractions" (PDF). Federal Aviation Administration. March 15, 2007.
  2. ^ "Aeronautical Information Manual". Air Traffic Plans and Publications. Federal Aviation Administration. Retrieved 7 December 2016.
  3. ^ Weather Theory Archived 2007-01-25 at the Wayback Machine