Hackettstown Airport (FAA LID: N05) is a public-use airport located in the Beattystown area of Mansfield Township, Warren County, New Jersey, United States, three nautical miles (5.56 km) southwest of the central business district of Hackettstown.

[2] Hackettstown Airport covers an area of 65 acres (26 ha) at an elevation of 670 feet (204 m) above mean sea level.

It has one runway designated 05/23 with an asphalt surface measuring 2,200 by 50 feet (671 x 15 m).

[1] For the 12-month period ending January 1, 2006, the airport had 19,000 aircraft operations, an average of 52 per day: 100% general aviation.

At that time there were 36 aircraft based at this airport: 100% single-engine.