Originally Posted by
Lead Balloon
The definition of "passenger transport operation" I've quoted above is in the Dictionary in the CASRs.
If an operation falls within the definition of "passenger transport operation", it falls within the scope of Part 121 or Part 135. PPL PIC verboten.
If an operation does not fall within the definition of "passenger transport operation", the answer to the question whether a PPL can be PIC depends...
Good luck.
To expand / clarify that - a pax transport operation only falls into 121 / 135 land (or the 119 umbrella) only if there is Hire or Reward involved (see definition of Air Transport Operation).