TCAS SNAG
Dear Sir
I need a help .I am working in 1900D beachcraft which is having TCASII CAS67A .I have one problem in both Aircraft that TCAS yellow flag is not going off most of the time .Some time it goes but most of the time it remains and TCAS NOT COMING TO STANDBY OR IN TA,RA mode.I have changed the TPU 67 but snag remains same.