Mayport Ns (Adm David L McDonald Field) Private
NRB · KNRB · Mayport, FL · Towered · Print kneeboard · Open on the map
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-09-18 · night begins 07:52 PM
| Event | Local (EDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:48 AM | 10:48Z |
| Sunrise | 07:12 AM | 11:12Z |
| Sunset | 07:28 PM | 23:28Z |
| Evening civil twilight Loggable night begins | 07:52 PM | 23:52Z |
Plan a flight from KNRB
Past 24 hours category · wind · ceiling · visibility trends
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Density altitude today projected curve · departure window · takeoff roll
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: KNRB METAR decoded · KNRB TAF decoded
Advisories
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Pilot reports · Loading PIREPs…
Airspace hazards · Checking SIGMETs and G-AIRMETs…
Temporary flight restrictions · Checking for TFRs…
Runways
RWY 23RIGHT trafficRP · charted
- Heading
- 229° mag · 223° true
- Dimensions
- 8,001 × 200 ft
- TPA
- 1,000 ft MSL (≈1,000 AGL) · standard
- Surface
- Asphalt
- Lights
- 4-light PAPI (left) (3°)
More details — RWY 23
- Threshold elev
- 12 ft
- Markings
- precision
- Threshold crossing height
- 48 ft
- TDZ elevation
- 15 ft
- End lights
- REIL
- Arresting gear
- E28
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
| Runway | Length | Your margin |
|---|---|---|
| 05/23 | 8,001 ft |
Prefer one flat page? Full runway details for KNRB → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the KNRB kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
“Navy Mayport”Departure
“Jacksonville”Arrival
“Jacksonville”Also
ATC assigns the exact frequency (in your clearance or on handoff) — which one depends on your SID (departing) or STAR (arriving).
By procedure & sector (11 frequencies)
| Frequency | Used by |
|---|---|
| 127.0 | ALCRN STAR |
| 233.7 | GND/P |
| 236.775 | ATIS |
| 239.3 | LCL/P |
| 243.0 | EMERG |
| 269.9 | ALCRN STAR |
| 288.325 | LCL/S |
| 289.95 | PMSV METRO |
| 301.3 | PMSV METRO |
| 308.4 | APCH/P DEP/P |
| 308.5 | PTD |
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
NRB 111.40 · CRG 114.50 · NIP 108.20 · +1
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| NRB · Mayport | TACAN | 111.40 · 51X | — | r337° / 0.2 NM |
| CRG · Craig | VORTAC | 114.50 · 92X | High | r058° / 5.4 NM |
| NIP · Jacksonville | TACAN | 108.20 · 19X | — | r060° / 16 NM |
| SSI · Brunswick | VORTAC | 109.80 · 35X | Low | r182° / 39.6 NM |
Prefer one flat list? All KNRB frequencies →
Charts & procedures
Lowest minimums here: RNAV (GPS) with vertical guidance · VFR sectional →
Airport info
From the field
Do you run KNRB, or an FBO, flight school, or shop on it? Claim your listing to keep fuel, fees, hours, and services current.
Airport information
- ICAO / FAA LID
- KNRB / NRB
- Coordinates
- 30.3914, -81.4245
- Elevation
- 15 ft MSL
- Magnetic variation
- 6W
- Sectional chart
- JACKSONVILLE
- Airport use
- Private
- Control tower
- Yes
- Tower hours
- 1300-0400Z (DT 1200-0400) MON-THU; 1300-2300Z++ FRI; CLSD SAT, SUN AND FEDERAL HOLS.
- Airspace
- Class D · CLASS D SVC 1300-0400Z++ (DT 1200-0400Z++) MON-THU, 1300-2300Z++ FRI, CLSD SAT, SUN, HOL; OTHER TIMES CLASS G
- ARTCC
- JACKSONVILLE (ZJX)
- Flight service (FSS)
- GAINESVILLE · 1-800-WX-BRIEF
- NOTAM facility
- NRB
- Attendance
- MON-THU 1300-0400Z (DT 1200-0400); FRI 1300-2300Z
- Beacon
- S-white-green (SS-SR)
- Segmented circle
- No
- Distance from city
- 1 NW
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- S-white-green · SS-SR
Runway lighting aids — 05: 4-light PAPI (left) · 23: 4-light PAPI (left).
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- Fuel available
- Jet (JP-5)
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
Ownership & management 2 contacts
Remarks FAA · 19 notes
General
- JASU: 1(NC-8) 1(GTC-85) 1(A/NCPP-105).
- TSNT/HUNG ORDNANCE/DIVERT ALERT; ORGANIC AIR-LAUNCHED WEAPONS SAFING CPBLY NA; TSNT MAINT NA; LIMITED TSNT PRK AVBL.
- RSTD: 24 HR PPR/CIVIL ACFT LNDG PERMIT; PCN EXCEEDING 34 RQR 72 HR PPR - BASE OPS DSN 270-6130/31, C904-270-6130/31. PARTICIPATING ACFT ONLY DURG SPL LCL OPS.
- CAUTION: LGT TO HVY BIRD ACT ON AND IN VCNTY OF ARPT. VESSELS WITH MASTS TO 196 FT FQTLY BERTHED 800 FT LEFT OF RWY 23 THLD. LARGE VESSELS WITH MASTS UP TO 150 FT FQTLY TRANSIT THE RIVER CHAN ADJ TO APCH END RWY 23 DUR FINAL APCH.
- CAUTION: EXER VIGILANCE DURG RWY 05 OPS DUE TO EXTSV CTLD/UNCTLD ACFT INVOF CRAIG MUNI ARPT. PADS 1 & 3 HAVE ALTERED LGT & APVD FOR LCL BASED ACFT ONLY.
- TFC PAT: R TFC RWY 23 & L TFC RW 05. SIMULTANEOUS LDG/DEP BTN HEL CONDUCTED ON PARL TWY LCTD 325 FT FM RWY 05/23.
- NS ABTMT: MAYPORT VILLAGE AND N BANK OF ST JOHNS RIVER ARE NOISE SENSITIVE. NO XW/BASE TURNS BTN TWY BRAVO-FOXTROT.
- CSTMS/AG/IMG: AVBL DURG AFLD HRS WITH 24 HR PPR.
- MISC: CLASS D AIRSPACE AND CLASS E AIRSPACE 700 FT AND BELOW EFF 1200-0400Z++ (DT 1100-0400Z) SPECIAL LOCAL OPS 0400-0700Z++ MON-THU; 1300-2300Z++(DT 1200-2200Z) FRI; CLSD SAT, SUN, AND HOL. OTHER TIMES CLASS G AIRSPACE 700 FT AND BELOW. JACKSONVILLE CLASS E AIRSPACE 700 FT AND ABV EFF CONT.
- CAUTION: EXP SIMUL SAME DRCTN OPS DURG DUAL RWY OPS.
- FOR CD CTC JACKSONVILLE APCH AT 904-741-0284.
- TRAN ALERT: GND TRANSPORTATION UNAVBL FOR AIRCREW OR PAX.
- MISC: FOR CIV ACFT LDG PMT (CALP) REQ CTC AIRFIELD MGMT C904-445-8326.
- FIRE EQUIP (PG4): 1500 GAL STRYKER (242) EQUIPPED WITH A 210 GAL FOAM TANK AND 500 LBS. OF HALON, 2-1250 GPM PUMPERS WITH 750 GALS OF WATER, 1-2000 GPM ARL APPARATUS WITH 500 GALS OF WATER, 1 ADVND LIFE SUPPORT TRNSP AMBULANCE, 1 HEAVY RSCU TRUCK WITH HAZMAT AND TECHNICAL RSCU RESP CAPABILITIES, 1 HAZMAT DECONTAMINATION TRAILER, 1 AIR CART FOR RE-FILLING AIR BOTTLES, 2 UTILITY TRUCKS, 1 COMMAN D VEHICLE.
- ELECTRONIC MAINT (PG3): GND PWR UNITS: 12 EXTERNAL GND START UNITS (ALL PERM UNITS ON H-60 RAMP)
- SNOW REMOVAL EQUIP (PG4): 1-15,000 LB FORKLIFT.
Lighting
- AVBL DURG AFLD OPS HRS.
Fuel
- AFT HR FUEL NA; TSNT HEL HOT RFL CTC BASE OPS 904-270-6130/DSN 270-6130; COORD RFL TIMES HSM-40 ODO - 904-270-6332/DSN 960-6332 (DIAL 0 & REQ MAINT CTL); FIXED WING HOT RFL NA.
Attendance
- CLSD SAT, SUN & FEDERAL HOLS UNLESS OTRW NOTAM.
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Nearby airports
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Also nearby: FL84 Flying-A-Ranch (private) (15 NM) · 83FL Nassau (private) (15 NM)
About KNRB
Mayport Ns (Adm David L McDonald Field) (NRB · KNRB) is an airport in Mayport, FL, at 15 ft MSL. It has 1 runway, the longest 8,001 ft, with a control tower. This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KNRB, refreshed from the Aviation Weather Center and FAA NASR.
Does KNRB have a control tower?
Yes. Mayport Ns (Adm David L McDonald Field) has an operating FAA control tower. See the Comms & NavAids section for tower and ground frequencies.
What is the longest runway at KNRB?
Mayport Ns (Adm David L McDonald Field) has 1 runway; the longest is 8,001 ft. See the Runways section for headings, surface, and lighting.
Where is KNRB?
Mayport Ns (Adm David L McDonald Field) is in Mayport, FL, at an elevation of 15 ft MSL. Coordinates: 30.3914, -81.4245.
More about KNRB
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open KNRB in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.
Something here wrong or out of date? Report a data problem.