Patuxent River Naval Air Station (Trapnell Field)

Patuxent River Naval Air Station (Trapnell Field) (KNHK) is a medium airport in Patuxent River, MD. Pilots and dispatchers reference it by ICAO code KNHK or IATA code NHK. It sits in North America.

Patuxent River Naval Air Station (Trapnell Field) is a regional airport primarily serving general aviation, charter, and corporate flight departments. The 11,799-foot runway means it is well-suited as a dedicated bizjet field, free from airline scheduling pressure.

The longest runway measures 11,799 ft (3,596 m), a ultra-long-range-class field. Representative aircraft that operate comfortably here include the Gulfstream G650, Bombardier Global 7500, and Dassault Falcon 8X. In practice this transcontinental and transoceanic operations without performance penalties.

Patuxent River Naval Air Station (Trapnell Field) sits near sea level at 39 ft.

Local operations run on America/New_York. Without scheduled airline traffic, the field tends to be quieter and more flexible for charter and corporate operations — a useful characteristic for early morning, late night, or short-notice flights that would be impractical at a hub.

SkyAccess inventory for KNHK updates continuously as operators publish new empty legs and one-way repositioning trips. Pricing on each leg is available with a free account, and an inventory alert will email you the moment a leg appears on the route you care about.

Regional fields like KNHK are a meaningful share of US private aviation — closer to the trip's actual origin or destination than the nearest major hub, with shorter ramp-to-cabin times that are the main reason owners and brokers prefer them.

Naval Air Station Patuxent River, also known as NAS Pax River, is a United States naval air station in St. Mary’s County, Maryland on the Chesapeake Bay near the mouth of the Patuxent River.