In what situation can a PCC be used instead of a PPC in an air taxi?

The appropriate situation for using a Passenger Carrying Certificate (PCC) instead of a Part 135 Passenger Carrying Operations (PPC) in an air taxi setting revolves around specific operational contexts and regulatory requirements.

In the situation where the pilot-in-command (PIC) is conducting day visual flight rules (VFR) operations with passengers aboard a single-engine aircraft, a PCC is indeed applicable. The reasoning behind this is that under certain conditions, such as day VFR and fewer regulatory burdens associated with single-engine operations, the use of a PCC may suffice for compliance with air taxi regulations. This allows for more flexibility in operating small aircraft while ensuring the necessary safety protocols are still observed.

The other scenarios involve complexities or regulatory requirements that necessitate adherence to a PPC instead. For instance, night operations, multi-engine aircraft usage, and instrument flight rules (IFR) typically involve greater risk and regulatory scrutiny, thus requiring a more stringent certification like a PPC. Additionally, carrying only cargo does not typically leverage the special considerations offered by a PCC, as the transportation of passengers introduces a different set of regulations focused on safety and operational accountability.

Thus, the option where a PCC can be used refers specifically to situations where the operational demands and regulatory frameworks align in favor