>I correct in assuming there's no issue with using the transponder >either, providing SB is started after adding the elec's?
>Am I also correct in assuming that TCAS fails to display online targets >under any circumstances?
Hi Paul!
About your first question: to me, it happens with the SB being engaged before or after. And don't forget about IVAP! It also happens with it!
About your second question: yes. Very true. Targets and RAs are not shown.