Port Alsworth Airport is a private-use airport serving Port Alsworth which is located in the Lake and Peninsula Borough of the U.S. state of Alaska. As per Federal Aviation Administration records, the airport had 2,634 passenger boardings in calendar year 2019, an increase of 52.87% from the 1,723 enplanements in 2018.
Although many U.S. airports use the same three-letter location identifier for the FAA and IATA, this airport is assigned TPO by the FAA and PTA by the IATA.
Wikipedia https://en.wikipedia.org/wiki/Port_Alsworth_Airport
Address (Unnamed Road), United States
Coordinates 60°12'10.72" N -154°19'9.063" E