Most recent edit on 2008-03-26 15:09:48 by TomSeeley [VATSIM link removed - bad link]
Deletions:
See VATSIM Forum Comments∞
Edited on 2008-03-26 15:08:55 by TomSeeley
Additions:
(Here's another NASA affiliated ATIS page. http://www.lerc.nasa.gov/WWW/MAEL/ag/atis.htm∞ )
Winds: Current wind information. If winds are 6 knots or less and varying in direction, they're considered Variable (VRB). If the winds are less than 3 knots the winds are listed as Calm. A variation of 10 knots or more is considered a Gust (Example: 120/21G33. 'Winds from one two zero at two one knots gusting to three three knots'.) .
Closing Remark: Each ATIS will close with "Advise controller on initial contact, you have (current ATIS letter: Alpha/Bravo/Charlie/etc..)". The first call to any ATC at the airport should include the ATIS identifier. This tells ATC that the pilot has listened to and understands the current ATIS information.
Gleim's Aviation Weather & Weather Services Fourth Edition, 2005 (ISBN 158194258-3).
Deletions:
(Here?s another NASA affiliated ATIS page. http://www.lerc.nasa.gov/WWW/MAEL/ag/atis.htm∞ )
Winds: Current wind information. If winds are 6 knots or less and varying in direction, they?re considered Variable (VRB). If the winds are less than 3 knots the winds are listed as Calm. A variation of 10 knots or more is considered a Gust (Example: 120/21G33. ?Winds from one two zero at two one knots gusting to three three knots?.) .
Closing Remark: Each ATIS will close with ?Advise controller on initial contact, you have (current ATIS letter: Alpha/Bravo/Charlie/etc..)?. The first call to any ATC at the airport should include the ATIS identifier. This tells ATC that the pilot has listened to and understands the current ATIS information.
Gleim?s Aviation Weather & Weather Services Fourth Edition, 2005 (ISBN 158194258-3).
Edited on 2008-02-06 21:36:23 by TomSeeley
Additions:
Time of Issue: This is the time that the recording was made, given in Zulu time, which is explained here: Coordinated Universal Time∞
Winds: Current wind information. If winds are 6 knots or less and varying in direction, they?re considered Variable (VRB). If the winds are less than 3 knots the winds are listed as Calm. A variation of 10 knots or more is considered a Gust (Example: 120/21G33. ?Winds from one two zero at two one knots gusting to three three knots?.) .
Visibility: The current visibility at the airport. Less than 3 miles is IFR. Three miles or greater is VFR.
Sky Condition: This will give the altitude of the bottom (base) of the clouds relative to ground level (AGL) as well as the amount of cloud cover. A Ceiling is defined as cloud coverage of Broken or higher. This will become important when determining whether conditions are VFR or IFR. A ceiling of less than 1000ft or lower is considered IFR.
- Few (FEW): 2/8 or less of the sky area is covered with clouds.
- Scattered (SCT): 2/8-4/8 of the sky is covered with clouds.
- Broken (BKN): 4/8-6/8 of the sky is covered with clouds.
- Overcast (OVC): 6/8 or more of the sky is covered with clouds.
Altimeter: The current barometric pressure of the airport, given in inches of mercury in the US and Canada, and millibars (or hectopascals) every where else.
See VATSIM Forum Comments∞
Deletions:
Time of Issue: This is the time that the recording was made, given in Zulu time (link for explanation of Zulu time).
Winds: Current wind information. If winds are 6 knots or less and varying in direction, they?re considered Variable (VRB). If the winds are less than 3 knots the winds are listed as Calm. A variation of 10 knots or more is considered a Gust (Example: 120/21G33. ?Winds from 120 at 21 knots gusting to 33 knots?.) .
Visibility: The current visibility at the airport. Less than 3 miles is IFR. More than 3 is VFR.
Sky Condition: This will give the altitude of the bottom (base) of the clouds relative to ground level (AGL) as well as the amount of cloud cover. A Ceiling is defined as cloud coverage of Broken or higher. This will become important when determining whether conditions are VFR or IFR. A ceiling of 1000ft or lower is considered IFR.
Few (FEW): 2/8 or less of the sky area is covered with clouds.
Scattered (SCT): 2/8-4/8 of the sky is covered with clouds.
Broken (BKN): 4/8-6/8 of the sky is covered with clouds.
Overcast (OVC): 6/8 or more of the sky is covered with clouds.
Altimeter: The current barometric pressure of the airport.
(Various web links in lesson)
See VATSIM Forum Comments - http://forums.vatsim.net/viewtopic.php?t=5418∞
Edited on 2006-04-01 21:41:14 by MikeBevington
No differences.
Edited on 2006-04-01 21:33:43 by MikeBevington
Additions:
(This link has a recording of an ATIS, along with a list of elements. Actually, that whole site is fantastic: http://virtualskies.arc.nasa.gov/ATM/tutorial/ATIS.html∞)
Deletions:
(This link has a recording of an ATIS, along with a list of elements. Actually, that whole site is fantastic? http://virtualskies.arc.nasa.gov/ATM/tutorial/ATIS.html∞)
Edited on 2005-11-22 18:34:50 by MikeBevington
Additions:
Elements of the ATIS
References:
Deletions:
Elements of the ATIS
References:
Edited on 2005-11-02 22:43:55 by MikeBevington
No differences.
Edited on 2005-11-02 21:45:26 by MikeBevington
Additions:
Understanding ATIS
Deletions:
Understanding ATIS
Edited on 2005-11-02 21:44:35 by MikeBevington
Additions:
Understanding ATIS
By Andy Alexander
Categories
CategoryLessons
Deletions:
Basic - VFR-IFR Understanding ATIS
Edited on 2005-11-02 21:26:40 by MikeBevington
Additions:
See VATSIM Forum Comments - http://forums.vatsim.net/viewtopic.php?t=5418∞
Deletions:
_
Oldest known version of this page was edited on 2005-11-02 21:25:10 by MikeBevington []
Page view:
Basic - VFR-IFR
Understanding ATIS
ATIS (Automatic Terminal Information Service) is a recording that some airports broadcast in order to reduce frequency congestion. Current weather information, active runway information, NOTAMs, and other useful pieces of information are included in the ATIS. The ATIS is usually updated every hour or when there is a sudden weather change at the airport.
Elements of the ATIS
(This link has a recording of an ATIS, along with a list of elements. Actually, that whole site is fantastic?
http://virtualskies.arc.nasa.gov/ATM/tutorial/ATIS.html∞)
(Here?s another NASA affiliated ATIS page.
http://www.lerc.nasa.gov/WWW/MAEL/ag/atis.htm∞ )
Location: The airport that is broadcasting the ATIS
Identifier: Each ATIS is given a letter to identify it. This letter is spoken as all letters are in aviation, using the phonetic alphabet (link:
http://www.lerc.nasa.gov/WWW/MAEL/ag/phonetic.htm∞ ).
Time of Issue: This is the time that the recording was made, given in Zulu time (link for explanation of Zulu time).
Winds: Current wind information. If winds are 6 knots or less and varying in direction, they?re considered Variable (VRB). If the winds are less than 3 knots the winds are listed as Calm. A variation of 10 knots or more is considered a Gust (Example: 120/21G33. ?Winds from 120 at 21 knots gusting to 33 knots?.) .
Visibility: The current visibility at the airport. Less than 3 miles is IFR. More than 3 is VFR.
Weather Phenomenon: Rain, Mist, Snow, Thunderstorm, etc.
Sky Condition: This will give the altitude of the bottom (base) of the clouds relative to ground level (AGL) as well as the amount of cloud cover. A Ceiling is defined as cloud coverage of Broken or higher. This will become important when determining whether conditions are VFR or IFR. A ceiling of 1000ft or lower is considered IFR.
Few (FEW): 2/8 or less of the sky area is covered with clouds.
Scattered (SCT): 2/8-4/8 of the sky is covered with clouds.
Broken (BKN): 4/8-6/8 of the sky is covered with clouds.
Overcast (OVC): 6/8 or more of the sky is covered with clouds.
Temperature/Dewpoint: The current temperature and dewpoint at the airport.
Altimeter: The current barometric pressure of the airport.
Approaches and Runways in Use: The current approaches and runways being used for takeoff and landing.
Remarks/Notams: Other information such as bird activity, unlit towers in the area, inoperative airport lighting or systems, etc. are listed in this section.
Closing Remark: Each ATIS will close with ?Advise controller on initial contact, you have (current ATIS letter: Alpha/Bravo/Charlie/etc..)?. The first call to any ATC at the airport should include the ATIS identifier. This tells ATC that the pilot has listened to and understands the current ATIS information.
References:
Gleim?s Aviation Weather & Weather Services Fourth Edition, 2005 (ISBN 158194258-3).
(Various web links in lesson)
_
