Traffic alert and collision avoidance system: Difference between revisions

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[[File:TCAS.png|thumb|250px|TCAS display]]
[[File:TCAS.png|thumb|250px|TCAS display]]
The FlightGear TCAS has the following features and limitations:
The FlightGear TCAS has the following features and limitations:
* Works with [[AI Systems | AI]] and [[Howto:_Multiplayer | multi-player]] traffic.
* Works with [[AI Systems|AI]] and [[Howto: Multiplayer|multi-player]] traffic.
* Aural traffic alerts (TA) are issued, i.e. "''Traffic, traffic!''" warnings.
* Aural traffic alerts (TA) are issued, i.e. "''Traffic, traffic!''" warnings.
* Aural resolution advisories (RA) are issued, i.e. "''Climb, climb!''" or "''Descend, descend!''".
* Aural resolution advisories (RA) are issued, i.e. "''Climb, climb!''" or "''Descend, descend!''".
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However:
However:
* Remember to immediately report any TCAS advisory to ATC.
* Remember to immediately report any TCAS advisory to ATC.
**[[ATC phraseology | Phraseology]]: "'''<callsign> TCAS RA'''" (pronounced "TEE-CAS-AR-AY")
** [[ATC phraseology|Phraseology]]: "'''<callsign> TCAS RA'''" (pronounced "TEE-CAS-AR-AY")
* When an ATC instruction contradicts an active TCAS resolution advisory, keep following the TCAS advisory and report to ATC.
* When an ATC instruction contradicts an active TCAS resolution advisory, keep following the TCAS advisory and report to ATC.
**Phraseology: "'''<callsign> Unable, TCAS RA.'''"
** Phraseology: "'''<callsign> Unable, TCAS RA.'''"
* Pilots must report to ATC and return to their assigned altitude as soon as the conflict is cleared.
* Pilots must report to ATC and return to their assigned altitude as soon as the conflict is cleared.
**Phraseology: "'''<callsign> Clear of conflict, returning to <assigned clearance>'''"
** Phraseology: "'''<callsign> Clear of conflict, returning to <assigned clearance>'''"


A detailed description of TCAS-related ATC procedures is available in the  
A detailed description of TCAS-related ATC procedures is available in the  
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= References =
= References =
*[http://www.arinc.com/downloads/tcas/tcas.pdf FAA: Introduction to TCAS II Version 7]
* [http://www.arinc.com/downloads/tcas/tcas.pdf FAA: Introduction to TCAS II Version 7]
*[http://www.eurocontrol.int/msa/public/standard_page/ACAS_Startpage.html EUROCONTROL ACAS Website]
* [http://www.eurocontrol.int/msa/public/standard_page/ACAS_Startpage.html EUROCONTROL ACAS Website]
*[http://www.eurocontrol.int/msa/gallery/content/public/documents/ACAS_Bulletin%20_1_disclaimer.pdf ACAS II bulletin No 1: Follow the RA!]
* [http://www.eurocontrol.int/msa/gallery/content/public/documents/ACAS_Bulletin%20_1_disclaimer.pdf ACAS II bulletin No 1: Follow the RA!]
*[http://www.eurocontrol.int/msa/gallery/content/public/documents/ACAS_Bulletins_10_disclaimer.pdf ACAS II bulletin No 10: When ATC meets TCAS II]
* [http://www.eurocontrol.int/msa/gallery/content/public/documents/ACAS_Bulletins_10_disclaimer.pdf ACAS II bulletin No 10: When ATC meets TCAS II]

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