A320: TCAS new detection range ?
Hi,
i have noticed on our A320 TCAS some traffic detected at a reange more than 40nm. i have seen once at 80nm, and some at 50nm. one pilot told me that this new TCAS detect upto 100nm. i looked into FCOM1 Rev.42B but found nothing on this one. any ideas ? |
Hello Kuwait340,
Your friend is right. Newer TCAS models can detect aircraft up to 100nm. Generally speaking, the older models can detect up to 30-40nm. The "enhanced" ones can detect up to 80nm and the brand new ones can detect up to 100nm. We have a very mixed fleet (from s/n 02XX up to 38XX), and sometimes you can see the difference - especially during the enroute phase. Also, the older aircraft only display traffic on ND at ranges 10,20 and 40nm. If you're using at a greater range, a message will appear to reduce the ND range to check the traffic inbound. Check FCOM1 1.34.80 p1 and 1.34.80 p8 for more details...:ok: |
Thank you very much, i have checked the FCOM and found that it says detection range is 80nm.
appreciate it. |
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