Reference data only — not for flight planning or navigation. Verify with official sources (AIP, NOTAMs, ATC). Full disclaimer

Naval Station Mayport / Admiral David L McDonald Field (KNRB/NRB) — Jacksonville, United States

At a glance

Operating hours: 17:00–08:00 UTC
Fuel: JP-5
Tower: 118.75
Runways: 05/23
Elevation: 15 ft

Times in UTC. Reference only: verify with the AIP and NOTAMs.

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81% Data Complete 42 of 52 points

Missing: Contacts

Section Breakdown

Basic Info 7/7

Runways 4/4

Frequencies 3/4

Operations 2/2

Fuel 1/1

Contacts 0/2

Additional Info 3/10

Observed Activity · Oct 26

47 aircraft observed within 6 NM · busiest hour 15:00Z

2026-10-132026-10-26

Distinct ADS-B aircraft seen within 6 NM below 10,000 ft AGL per UTC day · community-feed coverage varies · not official movement totals

Data last updated: 2026-03-27

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Basic Airport Information

ICAO: KNRB
Name: Naval Station Mayport / Admiral David L McDonald Field
Type: medium_airport
Category: Military
Latitude: 30.3911
Longitude: -81.424698
Elevation: 15 ft
Country: United States
Municipality: Jacksonville
IATA Code: NRB
FAA Code: N/A
FIR: N/A
Timezone: America/New_York
Distance from City: N/A km
VFR: Yes
IFR: No

Runways

Runway 05/23

Designation: 05/23
Dimensions: 2439x61m
Surface: ASP
PCN: 70
Lighting: Lighted
NAVAIDs: N/A
Approach Types: N/A
Remarks: N/A

Frequencies

Tower: 118.750 MHz
Ground: 126.500 MHz
Operations: 121.500, 243.000, 308.500 MHz
Traffic/Approach: N/A
ATIS: N/A

Operation Hours

Monday 17:00 – 08:00

Tuesday 17:00 – 08:00

Wednesday 17:00 – 08:00

Thursday 17:00 – 08:00

Friday 17:00 – 03:00

Extra Hours On Request: Not recorded
Remarks: Mon 13:00-04:00; Tue 13:00-04:00; Wed 13:00-04:00; Thu 13:00-04:00; Fri 13:00-23:00

Contacts

AIS Tel: N/A
ARO Tel: N/A
MET Tel: N/A
Admin Tel: +1 904-270-7126
Health Tel: N/A
Police Tel: N/A
Authorities Tel: N/A
Website: N/A
Remarks: N/A

Slots / PPR

Slot Required: Not recorded
PPR Required: Not recorded
PPR Contact: N/A
Remarks: N/A

Fuel Information

Fuel Type: JP-5
Price/L: N/A
Last Updated: N/A
Remarks: N/A

Immigration

Port of Entry: Not recorded
APIS Required: Not recorded
GAR Required: Not recorded
Remarks: N/A

Airport Services

No services listed for this airport yet.

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United States Permit Requirements

Fast Landing: 1d

Overflight Permit: No
Landing Permit: Conditional
Overflight Lead Time: N/A
Landing Lead Time: 60 minutes minimum (eAPIS manifest before departure); recommend 24-48 hours for CBP port notification

Private / GA Operations:

No permits required for private non-revenue flights. eAPIS manifest mandatory for all international arrivals/departures.

View Full United States Permit Details

Active NOTAMs

M0319/26

warning

Aerodrome restriction

AERODROME INCREASED BIRD ACTIVITY AROUND THE TACAN POND

2026-09-01 11:42 UTC 2026-11-01 03:59 UTC

M0311/26

caution

Obstacle erected

AERODROME MULTIPLE RAISED CRANES IN THE VICINITY OF THE MAYPORT BASIN AT OR BELOW 250 FEET.

2026-08-28 12:08 UTC 2026-11-19 23:59 UTC

M0402/

info

AERODROME RUNWAY 05 PAPI OTS.

2026-10-26 11:56 UTC 2026-10-31 04:00 UTC

+9 more active NOTAMs

NOTAMs received from the FAA NOTAM feed (last message 2026-10-27 20:20 UTC). This list is built from the feed as NOTAMs are issued and is not checked against the FAA's full list: confirm with FAA NOTAM Search before flight.

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Nearby Airports

6FD6 Britt Brown & Porter Ranch Airport 89 NM FL99 Flying-H Airport 94 NM 5FA1 Flying Palomino Ranch Airport 95 NM 2FD6 Highlander Airport 95 NM KLEE Leesburg International Airport 96 NM 34FD Blue Ridge Flightpark Airport 96 NM KSFB Orlando Sanford Intl 97 NM 01FL Cedar Knoll Flying Ranch Airport 98 NM

Compare KNRB with 6FD6 side by side →

Airport History

No milestones recorded for Naval Station Mayport / Admiral David L McDonald Field yet. Know when it opened, who built it or a notable event? Add it with a source.

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Frequently Asked Questions

What are the operating hours of KNRB?: Naval Station Mayport / Admiral David L McDonald Field operates from 17:00 to 08:00.
What is the tower frequency at KNRB?: The tower frequency at Naval Station Mayport / Admiral David L McDonald Field is 118.75 MHz.
What fuel is available at KNRB?: Naval Station Mayport / Admiral David L McDonald Field offers JP-5.
Does KNRB require landing permits?: It depends on the flight. No permits required for private non-revenue flights. eAPIS manifest mandatory for all international arrivals/departures. Permit details for United States
Where is KNRB located?: Naval Station Mayport / Admiral David L McDonald Field (KNRB) is located in Jacksonville, United States.
What is the IATA code for KNRB?: The IATA code for Naval Station Mayport / Admiral David L McDonald Field is NRB.
How long is the runway at KNRB?: The main runway at Naval Station Mayport / Admiral David L McDonald Field (05/23) measures 2439x61m.

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