Reference only — not for real-world navigation.
KNRB
Naval Station Mayport / Admiral David L McDonald Field · Jacksonville
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
15 ft / 5 m
Transition Altitude
18,000 ft
Primary Channel
TWR 118.75 MHz (TWR)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
05/23 · 8,001 ft · AsphaltLIGHTEDFlight Planning
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Welcome to the technical flight briefing for Naval Station Mayport / Admiral David L McDonald Field (KNRB), located in Jacksonville, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 1 active runway with a maximum elevation of 15 ft. Please note that this field primarily supports VFR and visual approach procedures.Reference the data below for primary communication channels and detailed runway characteristics. Pilots should observe a Transition Altitude of 18,000 ft verified for this field for altimeter reset procedures.
Full Name
Naval Station Mayport / Admiral David L McDonald Field
ICAO / IATA
KNRB / NRB
Municipality
Jacksonville
Country
Region
US-FL — Florida
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
15 ft
Official Website
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 05 / 23
LIGHTED
Runway Length: 8,001 ft / 2,439 m
Runway Width: 200 ft / 61 m
Surface Type: Asphalt
Heading: 43° / 223°
Runway Width: 200 ft / 61 m
Surface Type: Asphalt
Heading: 43° / 223°
RWY 05 (43°)
No ILS / Visual Only
RWY 23 (223°)
No ILS / Visual Only
A/D JACKSONVILLE APP/DEP
124.90 MHz
ATIS ATIS
26.86 MHz
GND GND
126.50 MHz
PTD PTD
30.85 MHz
TWR TWR
118.75 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026