March 1999 Issue

Letters 03/99

Skywatch and TCAD
Your article on the Ryan TCAD and the Argus map system was excellent and should help anyone trying to make a decision on whether or not to buy a collision avoidance system.

I have flown with both the TCAD 9000 and switched over to Skywatch last year. All your observations are right on. I have also noticed that the Skywatch is the only instrument my passengers ever look at.

I have only one comment comparing the two systems: I believe the TCAD system is a bit more passive than Skywatch. I believe TCAD can only work if the other aircraft is illuminated by radar. This is not so with Skywatch. I fly in Mexico and I can tell you that TCAD is almost...

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