Originally Posted by
wrench1
While TCAS can be found in some helicopters they have been using a traffic alert system (TAS) in helicopters for years in various areas. After a number of mid-airs in the GOM they installed TAS systems in most helicopters 20+ years ago. It worked provided the other aircraft had their transponder on.
Is there ever a good reason why you wouldn’t have your transponder on? Flying in uncontrolled airspace and non-TMZs is always a good reminder to keep your scan up! Still lots of everyday stealth flying by numpties.
Nasty accident. Do they fly agreed patterns with app/dep sectors?