1
Runway
17
Frequencies
0
Procedures
4
NOTAMs
Quick Facts
ICAO
KNRB
FAA
NRB
Elevation
14.8 ft MSL
Runways
1
Frequencies
17
Tower
Yes
Fuel
J5
Coordinates
30.391, -81.425
Airport Information
Facility Type
AIRPORT
Elevation
14.8 ft MSL
Control Tower
Yes
Fuel Types
J5
ARTCC
JACKSONVILLE
Coordinates
30.3914, -81.4245
Ownership
Navy
Hours of Operation
Current Weather
METAR KNRB 221152Z 17006KT 10SM FEW020 BKN250 26/23 A3006 RMK AO2 SLP179 T02610228 10261 20233 53009
Flight Category
VFR
Wind
170° at 6 kt
Visibility
10+ SM
Temperature
26.1°C
Dewpoint
22.8°C
Altimeter
1018.00 inHg
Cloud Cover
BKN
Observed 2026-05-22 11:52Z
Runways
| ID | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 05/23 | 8,001 ft | 200 ft | ASPH | HIGH |
Frequencies
| Type | Frequency | Name |
|---|---|---|
| ALCRN STAR | 269.9 | JACKSONVILLE INTL |
| ALCRN STAR | 127.0 | JACKSONVILLE INTL |
| APCH/P | 124.9 | JACKSONVILLE INTL |
| APCH/P DEP/P | XXX.XXX | JACKSONVILLE INTL |
| ATIS | XXX.XXX | MAYPORT NS (ADM DAVID L MCDONALD FLD) |
| DEP/P | XXX.XXX | JACKSONVILLE INTL |
| EMERG | XXX.XXX | MAYPORT NS (ADM DAVID L MCDONALD FLD) |
| EMERG | XXX.XXX | MAYPORT NS (ADM DAVID L MCDONALD FLD) |
| GND/P | XXX.XXX | MAYPORT NS (ADM DAVID L MCDONALD FLD) |
| GND/P | XXX.XXX | MAYPORT NS (ADM DAVID L MCDONALD FLD) |
| LCL/P | XXX.XXX | MAYPORT NS (ADM DAVID L MCDONALD FLD) |
| LCL/P | XXX.XXX | MAYPORT NS (ADM DAVID L MCDONALD FLD) |
| LCL/S | XXX.XXX | MAYPORT NS (ADM DAVID L MCDONALD FLD) |
| NRB TACAN | XXX.XXX | MAYPORT |
| PMSV METRO | XXX.XXX | MAYPORT NS (ADM DAVID L MCDONALD FLD) |
| PMSV METRO | XXX.XXX | MAYPORT NS (ADM DAVID L MCDONALD FLD) |
| PTD | XXX.XXX | MAYPORT NS (ADM DAVID L MCDONALD FLD) |
Active NOTAMs
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KNRB Operational Overview
Location & Facility
MAYPORT NS (ADM DAVID L MCDONALD FLD) (KNRB) is a military airport restricted to private use located in MAYPORT, Florida, United States. The field sits at an elevation of 14.8 feet above mean sea level (MSL) at coordinates 30.3914°N, 81.4245°W.
Runways
MAYPORT NS (ADM DAVID L MCDONALD FLD) has 1 runway. The longest runway (05/23) measures 8,001 feet by 200 feet with a asph surface.
Communications & Operations
MAYPORT NS (ADM DAVID L MCDONALD FLD) is a towered airport. ATIS is available on 236.775 MHz. A total of 17 communication frequencies are published for this facility.
Services & Fuel
MAYPORT NS (ADM DAVID L MCDONALD FLD) offers J5 fuel. Pilots planning fuel stops should confirm availability with the FBO, as hours and pricing may vary.
Current Conditions
The current flight category at MAYPORT NS (ADM DAVID L MCDONALD FLD) is VFR (Visual Flight Rules — good flying conditions). Weather conditions are updated in real-time from official NOAA Aviation Weather Center observations. There are currently 4 active NOTAMs for this facility.
Frequently Asked Questions
What is KNRB?
KNRB is the ICAO identifier for MAYPORT NS (ADM DAVID L MCDONALD FLD), a public-use airport located in MAYPORT, Florida, United States.
How many runways does MAYPORT NS (ADM DAVID L MCDONALD FLD) have?
MAYPORT NS (ADM DAVID L MCDONALD FLD) (KNRB) has 1 runway. See the runway table above for dimensions and surface types.
What is the elevation of KNRB?
The field elevation of MAYPORT NS (ADM DAVID L MCDONALD FLD) is 14.8 feet above mean sea level (MSL).
Is fuel available at KNRB?
Yes, MAYPORT NS (ADM DAVID L MCDONALD FLD) offers J5 fuel.
What are the current weather conditions at KNRB?
The current flight category at MAYPORT NS (ADM DAVID L MCDONALD FLD) is VFR. See the METAR section above for full decoded weather data including wind, visibility, temperature, and altimeter.
Are there active NOTAMs at KNRB?
There are currently 4 active NOTAMs for MAYPORT NS (ADM DAVID L MCDONALD FLD). Sign up for AeroCopilot to read decoded NOTAM text and AI interpretations.
How do I access complete data for KNRB?
Sign up for a free AeroCopilot account to access all frequencies, full NOTAM text with AI interpretation, decoded forecasts, and IFR procedure charts for MAYPORT NS (ADM DAVID L MCDONALD FLD).
Where is MAYPORT NS (ADM DAVID L MCDONALD FLD) located?
MAYPORT NS (ADM DAVID L MCDONALD FLD) (KNRB) is located in MAYPORT, Florida, United States, at an elevation of 14.8 ft MSL.