Naval Station Mayport / Admiral David L McDonald Field

Naval Station Mayport / Admiral David L McDonald Field (KNRB) is a medium airport in Jacksonville, FL. Pilots and dispatchers reference it by ICAO code KNRB or IATA code NRB. It sits in North America.

Naval Station Mayport / Admiral David L McDonald Field is a regional airport primarily serving general aviation, charter, and corporate flight departments. The 8,001-foot runway means it is well-suited as a dedicated bizjet field, free from airline scheduling pressure.

The longest runway measures 8,001 ft (2,439 m), a heavy-class field. Representative aircraft that operate comfortably here include the Gulfstream G550, Falcon 7X, and Bombardier Global 5500. In practice this most heavy and super-midsize jets operate here without restriction.

Naval Station Mayport / Admiral David L McDonald Field sits near sea level at 15 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 KNRB 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 KNRB 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 Station Mayport is a major United States Navy base on San Pablo Island in Jacksonville, Florida. It contains a protected harbor that can accommodate aircraft carrier-size vessels, ship's intermediate maintenance activity (SIMA) and a military airfield with one asphalt paved runway (5/23) measuring 8,001 ft × 200 ft.