Harry Stern Airport (IATA: WAH, ICAO: KBWP, FAA LID: BWP) is a public use airport in Richland County, North Dakota, United States.

[1] Although many U.S. airports use the same three-letter location identifier for the FAA and IATA, Enterprise Municipal Airport is assigned BWP by the FAA and WAH by the IATA[2] (which assigned BWP to Bewani, Papua New Guinea[3]).

Harry Stern Airport covers an area of 585 acres (237 ha) at an elevation of 968 feet (295 m) above mean sea level.

[1] For the 12-month period ending December 3, 2003, the airport had 10,860 aircraft operations, an average of 29 per day: 92% general aviation and 7% air taxi and 1% military.

At that time there were 66 aircraft based at this airport: 83% single-engine, 8% multi-engine, 1% helicopter and 8% military.