Kamrul Ahsan Posted November 23, 2020 Share Posted November 23, 2020 Hello brother peace be upon you. i am presently working in C-130B ac. For last few days, we are badly facing lots of problem regarding TCAS system. We couldn’t find the solution till now. Therefore, i thought to ask for the expert opinions in this forum. Problem : In Tcas system in flight, the traffic positioned in above, maximum time shows opposite direction incl its distance, for few days we are also didn’t found traffic in specific headings. Today for instance, one single traffic showed in 3 position. We have changed the TCAS processor but problem remained same. Again sometimes traffic shows actual position. Its getting worse day by day for its confusing nature. What may be the probable cause? It is to be mentioned here that, traffic in below position shows accurate info. Is it the problem of upper antenna? Seeking your valuable opinion in this regard. Thank you in advance. Quote Link to comment Share on other sites More sharing options...
tinyclark Posted November 30, 2020 Share Posted November 30, 2020 I would think anyenna or one of the cables. Are you sure all cables are connected properly? Quote Link to comment Share on other sites More sharing options...
Kamrul Ahsan Posted December 1, 2020 Author Share Posted December 1, 2020 Thank you sir.. we have replaced the antenna and it worked. But new problem is that for some specific heading TCAS became Fail or not available. Is this means the antenna is faulty? Quote Link to comment Share on other sites More sharing options...
tinyclark Posted December 6, 2020 Share Posted December 6, 2020 Try swapping the TCAS processor with another aircraft. It is always goo to know you have a working unit, same with the antenna, swap with a good aircraft. Quote Link to comment Share on other sites More sharing options...
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