KNRB · NRB
Naval Station Mayport / Admiral David L McDonald Field
Jacksonville, FloridaElevation 15 ftMedium airport
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Runway detail & declared distances
05/23
RWY 05
REILYes
VGSIPAPI (P4L)
RWY 23
REILYes
VGSIPAPI (P4L)
Traffic patternRight
Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.
AIRPORT INFORMATION
Facility & services
Naval Station Mayport / Admiral David L McDonald Field is in Jacksonville, Florida. Field elevation 15 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.
OPERATIONS & CONTACT
OwnershipNavy owned
UsePrivate use
TypeMedium airport
ManagerTEG MCNEAL
Manager phone904-270-7126
AttendedALL FRI, 1300–2300Z
CHARTS & AIRSPACE
ICAO / IATAKNRB / NRB
SectionalJACKSONVILLE
Center (ARTCC)JACKSONVILLE
Flight service (AFSS)GAINESVILLE
RegionFlorida
CountryUnited States
Coordinates30.3911, -81.4247
Distance from city1 NM NW
SERVICES & LIGHTING
Control towerTowered
Field lightingSee remarks
BeaconSunset to sunrise · Split white-green (military)
FREQUENCIES
Communications
124.9
JACKSONVILLE APP/DEP
A/D
26.86
ATIS
ATIS
126.5
GND
GND
30.85
PTD
PTD
118.75
TWR
TWR
Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.
AIRPORT REMARKS
Operational remarks
›JASU: 1(NC-8) 1(GTC-85) 1(A/NCPP-105).
›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.
›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.
›AVBL DURG AFLD OPS HRS.
›FSS-GAINESVILLE GNV-NOTAM JAX.
›HOOK E28(B) (1200 FT). 30 MIN NOTICE FOR ARSTMT UNLESS FLD IN DIV STS.
›HOOK E28(B) (1186 FT). 30 MIN NOTICE FOR ARSTMT UNLESS FLD IN DIV STS.
›CUSTOMS/AGRICULTURE/IMG AVBL FOR ACFT WITH 30 PSGRS OR LESS; MON-FRI EXCP HOLS 0800-1700. OTHER TIMES 48 HR PPR.
›TRAN ALERT: GND TRANSPORTATION UNAVBL FOR AIRCREW OR PAX.
›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.
›CLSD SAT, SUN & FEDERAL HOLS UNLESS OTRW NOTAM.
›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.
OFFICIAL LINKS & SOURCES
FREQUENTLY ASKED
Does KNRB have a METAR?
Yes. KNRB is a METAR-reporting station; the current observation loads live on this page.
Does KNRB have a TAF?
When KNRB issues a TAF, its decoded forecast timeline loads live on this page; otherwise use the nearest TAF-issuing field as a planning reference.
What is the field elevation at KNRB?
KNRB sits at 15 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for KNRB?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.