KNHK · NHK
Patuxent River Naval Air Station (Trapnell Field)
Patuxent River, MarylandElevation 39 ftMedium airport
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Runway detail & declared distances
02/20
RWY 028°T
RWY 20188°T
06/24
RWY 0649°T
ILSILS/DME
Approach lightsALSF1
RWY 24229°T
14/32
RWY 14126°T
RWY 32306°T
Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.
AIRPORT INFORMATION
Facility & services
Patuxent River Naval Air Station (Trapnell Field) is in Patuxent River, Maryland. Field elevation 39 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.
OPERATIONS & CONTACT
OwnershipNavy owned
UsePrivate use
TypeMedium airport
ManagerCOMMANDING OFFICER
Manager phone301-863-3339
AttendedDaily, 1200–0400Z++.
CHARTS & AIRSPACE
ICAO / IATAKNHK / NHK
SectionalWASHINGTON
Center (ARTCC)WASHINGTON
Flight service (AFSS)LEESBURG
RegionMaryland
CountryUnited States
Coordinates38.2860, -76.4118
Distance from city0 NM N
SERVICES & LIGHTING
Control towerTowered
Field lightingSee remarks
BeaconSunset to sunrise · Split white-green (military)
FREQUENCIES
Communications
120.05
APP/DEP
A/D
27.62
ATIS
ATIS
135.2
CLNC DEL
CLD
120.6
GND
GND
30.255
BASE OPS
OPS
35.62
PMSV METRO
PMSV
117.6
LEESBURG RDO
RDO
123.7
TWR
TWR
Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.
AIRPORT REMARKS
Operational remarks
›OLS.
›OLS.
›CSTMS/AG/IMG: LTD TO ACFT ON OFFICIAL BUSINESS AT PAX RIV WITH 72 HR PN. CTC AODO AT DSN 342-3836, C301-342-3836.
›MISC: WX FCST SVC AVBL 0900-0100Z++ MON-FRI. FOR FCST SVC ALL OT CTC FWC-N AT DSN 565-4555 OR C888-745-6899. WX OBSN AND PMSV MTR AVBL 1100-0400Z++ MON-FRI AND 1200-2300Z++ SAT-SUN.
›CLSD HOLIDAYS.
›TRAN ALERT: AVBL 1200-23000Z++ MON-FRI EXC HOL.
›OIL: O-128-133-148-156 (MIL).
›FLUID: SP LHOX LOX.
›FUEL: 100LL, A, J5.
›MISC: CLASS D AVAIL EXCLUDING THAT AIRSPACE WITHIN RESTRICTED AREAS R-4005 AND R-4007 WHEN ACTIVE. SEE FLIP AP/1 SUPPLEMENTARY ARPT REMARKS.
›MISC: NS NORFOLK, CHAMBERS FLD COORD ALL FLT PLANNING SVC. FLT PLANS SHOULD BE EMAILED TO W_CNI_NRFK_NSNORFOLK_N32_ATC_USERS@NAVY.MIL OR FAX TO DSN 565-9680, C757-445-9680. TO CONFIRM RECEIPT OF FLT PLANS CALL NS NORFOLK, CHAMBERS FLD FLT PLANNING SUPERVISOR AT DSN 232-3419/3429, C757-322-3419/3429.
›SERVICE: NO BASE TRANSPORTATION AVBL.
›CAUTION: STOPPING IN RSTD AREA ON TWY A, W TWY IS PROH. PORTIONS OF RWY, TWY AND ACFT RAMPS NOT VIS FR TWR. FIRST 1630 FT. RWY 32 MAY BE CLSD DALGT HR MON-SAT DUR VFR. BUILDINGS AND EQUIPMENT ARE LOCATED NEAR THE APPROACH END OF RWY 32. DEER AND BIRD HAZ.
›JASU: (GTC-85) (NCPP-105) (NC-8) (NC-10).
›NS ABTMT: MIL ACFT MAINT AT LEAST 1500 FT BTN 3 NM AND 10 NM FR 210 DEG CW TO 240 DEG. NO PRACTICE APCH 0300Z++ TO 1200Z++ MON-FRI, SAT BEFORE 1500Z++, SUN BEFORE 1700Z++. TRAN ACFT PRACTICE APCH NOT TO INTERFERE BASIS.
›MISC: FOR INFO REGARDING CIVIL AIR LANDING PERMITS (CALPS) CTC AFM AT 301-342-8923 OR EMAIL NASPATUXENTRIVERCALPS@US.NAVY.MIL.
›RSTD: PPR-NO NOTAM TRML FAC AVBL. PPR REQUESTS SHOULD BE EMAILED TO PAXPPRS@US.NAVY.MIL TO CONFIRM RECEIPT OF PPRS CALL DSN 342-8923, C301-342-8923. ACFT MUST MAKE PRIOR ARNG AND RCV PPR FR HOST SQUADRON, OR NAS AIR OPERATONS. LTD RAMP SPACE, AND LTD TRAN SVC AVBL EXPECT DELAYS. TWY ALL EXP DLY DUE TO ACFT WT LIMITATIONS.
›TFC PAT: VFR INITIAL AT 4 DME (RWY 32 AT 3 DME) 2000 FT, BREAK 1500 FT, DOWNWIND 1000 FT. REDUCED RWY SEPARATION STD IN EFF FOR LCL BASED USN/USMC ACFT.
›FOR CD WHEN NHK ATCT/APCH ARE CLSD CTC POTOMAC APCH AT 866-640-4124.
›OLS.
›OLS.
›REMARKS: OPR 1200-0400Z++ MON-FRI,1300-2300Z++ SAT-SUN, CLSD HOL. SEE FLIP AP/1 SUPPLEMENTARY ARPT RMK.
›AVBL ONLY DURING HRS OF OPERATION.
›HOOK E28(B) (2180 FT).
›HOOK E28(B) (1280 FT).
›HOOK E28(B) (1499 FT).
›HOOK E28(B) (3050 FT).
OFFICIAL LINKS & SOURCES
FREQUENTLY ASKED
Does KNHK have a METAR?
Yes. KNHK is a METAR-reporting station; the current observation loads live on this page.
Does KNHK have a TAF?
When KNHK 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 KNHK?
KNHK sits at 39 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for KNHK?
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.