https://www.airnav.com/airport/KAOO
Altoona–Blair County Airport (IATA: AOO, ICAO: KAOO, FAA LID: AOO) is a county owned, public airport in Martinsburg, Pennsylvania, 14 miles south of Altoona, in Blair County, Pennsylvania.
It is owned by the Blair County Airport Authority.
The airport has a few airline flights, subsidized by the Essential Air Service program.
