Apparently N452DA, a Lear 35A with two crew onboard doing a circling approach to runway 1 at KTEB.
Wind given by the tower as 360/16G32.
The plane checks in about three minutes before the end of this recording:
http://archive-server.liveatc.net/kt...2017-1900Z.mp3
FlightAware plot:
https://flightaware.com/live/flight/...830Z/KPHL/KTEB