Originally Posted by
Hossharris
Technically the headsets and hand mike the company puts in the jet have to be TSO ... and are always there as a backup should your non-TSO headset fail.
That being said, the company can be more restrictive. Delta requires TSO headsets if you bring your own.
Uhh....this is an interesting interpretation, but completely wrong...you won’t find this written anywhere in any Flight Operations Manual