Naval Station Mayport / Admiral David L McDonald Field
Daylight today(Sep 2, 2026, local time)
About 12h 45m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
About Naval Station Mayport / Admiral David L McDonald Field
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.
Summary from Wikipedia, photo via Wikimedia Commons, licensed under CC BY-SA.
Live weather
KNRBNOTAMs
KNRBReference only — not an official briefing. Always obtain a certified briefing (e.g. 1800wxbrief.com / your AIS) before flight.
NOTAM data via the FAA NOTAM system.
Live departures & arrivals
Flight data by AeroDataBox. Times are estimates — not for navigation; confirm with the airline.
Where you can fly from here
Current scheduled routes & daily frequency by AeroDataBox. Approximate — confirm bookable schedules with the airline.
Live traffic nearby
Aircraft currently within ~40 nm, from live ADS-B. Positions are approximately real-time — not for navigation.
Live ADS-B by adsb.lol & the OpenSky Network. Not for navigation.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (1)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 05 / 23 | 8,001 ft / 2,439 m | 200 ft | Asp | Lighted | Open |
Radio frequencies (5)
| Type | Description | Frequency |
|---|---|---|
| A/D | JACKSONVILLE APP/DEP | 124.900 MHz |
| ATIS | ATIS | 26.860 MHz |
| GND | GND | 126.500 MHz |
| PTD | PTD | 30.850 MHz |
| TWR | TWR | 118.750 MHz |
Instrument procedures & charts
Airport diagram (1)
Instrument approaches (4)
Arrivals (STARs) (4)
Takeoff & alternate minimums (2)
Showing 11 of 15 FAA procedures on this overview. Always fly the current, official chart. Full charts page.
Airspace in this area(1)
| Name | Class | Type | Floor | Ceiling |
|---|---|---|---|---|
| MAYPORT CLASS D | Class D | Controlled | GND | 2500 ft MSL |
Approximate bounding-box match from OpenAIP · all United States airspace. Reference only — consult official charts for exact boundaries and status.
Nearby airports
Great-circle distance and true bearing from Naval Station Mayport / Admiral David L McDonald Field.
Frequently asked questions
What is the ICAO code for Naval Station Mayport / Admiral David L McDonald Field?
The ICAO code for Naval Station Mayport / Admiral David L McDonald Field is KNRB, and its IATA code is NRB.
Where is Naval Station Mayport / Admiral David L McDonald Field located?
Naval Station Mayport / Admiral David L McDonald Field is medium airport located in Jacksonville, United States, at an elevation of 15 ft (5 m).
How many runways does Naval Station Mayport / Admiral David L McDonald Field have?
Naval Station Mayport / Admiral David L McDonald Field has 1 runway, the longest being 8,001 ft / 2,439 m.
What time zone is Naval Station Mayport / Admiral David L McDonald Field in?
Naval Station Mayport / Admiral David L McDonald Field is in the America/New York time zone (UTC-04:00).
What is the magnetic variation at Naval Station Mayport / Admiral David L McDonald Field?
The magnetic variation (declination) at Naval Station Mayport / Admiral David L McDonald Field is approximately 7.1° W, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near Naval Station Mayport / Admiral David L McDonald Field?
The nearest airport to Naval Station Mayport / Admiral David L McDonald Field is Jacksonville Executive at Craig Airport (CRG), about 5.7 nm to the sw, followed by Deep Forest Airport and Fernandina Beach Municipal Airport.
Is the information on this page suitable for flight planning?
No. Naval Station Mayport / Admiral David L McDonald Field data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.