Does anyone have the flight path for the helicopter? (Tail number PAT25). FlightAware doesn't show it but it might have been tracked by open source ADS-B receivers.
This helicopter was often utilized for VIP transport.
This helicopter was often utilized for VIP transport.
In this particular case it appears that the "PAT" part is an acronym for Priority Air Travel. In other words, it was a VIP transport flight (there may not have been any VIPs actually on board at the time).