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Patuxent River Naval Air Station (Trapnell Field) Private

NHK · KNHK · Patuxent River, MD · 39 ft elevation · var 10W · Towered

Airport information

ICAO / IATA
KNHK / NHK
Coordinates
38.2860, -76.4118
Elevation
39 ft MSL
Magnetic variation
10W
Sectional chart
WASHINGTON
Airport use
Private
Control tower
Yes
ARTCC
WASHINGTON (ZDC)
Flight service (FSS)
LEESBURG
NOTAM facility
DCA
Attendance
ALL 1200-0400Z++.
Beacon
S-white-green (SS-SR)
Segmented circle
No
Activated
1944/02
Distance from city
0 N

Weather

METAR observed

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TAF forecast

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Sun & FAA night 2026-06-21

EventLocal (EDT)UTC
Morning civil twilight
Loggable night ends
05:11 AM09:11Z
Sunrise05:42 AM09:42Z
Sunset08:32 PM00:32Z
Evening civil twilight
Loggable night begins
09:04 PM01:04Z
Loggable night (§1.1)
09:04 PM → 05:11 AM
Night currency (§61.57)
09:32 PM → 04:42 AM

Plan a flight from KNHK

Night operations

Airport lighting
SEE RMK
Rotating beacon
S-white-green · SS-SR

Runway lighting aids — 06: ALSF1.

FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.

Traffic pattern

02TPANSEW
LEFT traffic
Landing
Rwy 02 · 018°
Pattern
left (turns left)
TPA
1,000 ft MSL (≈1,000 AGL)

Enter the left downwind for Rwy 02 at 1,000 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).

Runway 02/20

5,021 ft × 75 ft · Asphalt (Good)
02
Heading
018° mag · 8° true
Markings
nonprecision
Traffic pattern
Left
20
Heading
198° mag · 188° true
Markings
nonprecision
Traffic pattern
Left

Runway 06/24

11,799 ft × 200 ft · Asphalt (Good)

Edge lights: High.

06
Heading
059° mag · 49° true
Markings
precision
Approach lights
ALSF1
Instrument landing
ILS/DME · CAT I · LOC 108.7 (NHK) · GS 3.00°
Traffic pattern
Left
24
Heading
239° mag · 229° true
Markings
precision
Traffic pattern
Left

Runway 14/32

9,732 ft × 200 ft · Asphalt (Good)

Edge lights: High.

14
Heading
136° mag · 126° true
Markings
precision
Traffic pattern
Left
32
Heading
316° mag · 306° true
Markings
precision
Traffic pattern
Left
ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

Communication frequencies

ServiceFrequencyNotes
A/D120.05APP/DEP
ATIS27.62
CLD135.2CLNC DEL
GND120.6
OPS30.255BASE OPS
PMSV35.62PMSV METRO
RDO117.6LEESBURG RDO
TWR123.7

Nearby navigation aids

NavAidTypeFreqRadial / Dist magnetic
PXT · PatuxentVORTAC117.60r269° / 0.6 NM
OTT · NottinghamVORTAC113.70r158° / 29.7 NM
ADW · AndrewsVORTAC113.10r156° / 37.9 NM

Airport diagram

Open PDF ↗
Preview diagram Open the airport diagram PDF

Procedures at a glance

Lowest mins: ILS · vertical guidance Takeoff mins / ODP ↗

Approaches13

Departures

Minimums & Hot Spots

Chart Supplement FAA A/FD

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Preview Chart Supplement Open the Chart Supplement PDF

VFR sectional

Open KNHK on the VFR sectional (SkyVector) ↗

Ownership & management

Owner
US NAVY
OCEANOGRAPHIC OFC-CODE 3142, WASHINGTON, DC
Manager
COMMANDING OFFICER
NAVAL AIR STATION, PATUXENT RIVER, MD
301-863-3339

Remarks FAA

  • JASU: (GTC-85) (NCPP-105) (NC-8) (NC-10).
  • FUEL: 100LL, A, J5.
  • FLUID: SP LHOX LOX.
  • OIL: O-128-133-148-156 (MIL).
  • TRAN ALERT: AVBL 1200-23000Z++ MON-FRI EXC HOL.
  • REMARKS: OPR 1200-0400Z++ MON-FRI,1300-2300Z++ SAT-SUN, CLSD HOL. SEE FLIP AP/1 SUPPLEMENTARY ARPT RMK.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • FOR CD WHEN NHK ATCT/APCH ARE CLSD CTC POTOMAC APCH AT 866-640-4124.
  • MISC: FOR INFO REGARDING CIVIL AIR LANDING PERMITS (CALPS) CTC AFM AT 301-342-8923 OR EMAIL NASPATUXENTRIVERCALPS@US.NAVY.MIL.
  • SERVICE: NO BASE TRANSPORTATION AVBL.
  • 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.
  • MISC: CLASS D AVAIL EXCLUDING THAT AIRSPACE WITHIN RESTRICTED AREAS R-4005 AND R-4007 WHEN ACTIVE. SEE FLIP AP/1 SUPPLEMENTARY ARPT REMARKS.
  • AVBL ONLY DURING HRS OF OPERATION.
  • CLSD HOLIDAYS.
  • HOOK E28(B) (2180 FT).
  • HOOK E28(B) (1280 FT).
  • HOOK E28(B) (1499 FT).
  • HOOK E28(B) (3050 FT).
  • OLS.
  • OLS.
  • OLS.
  • OLS.

Nearby airports

MD50 · Chesapeake Ranch AirportPrivate (5 NM)3MD6 · West St Mary's AirportPrivate (6 NM)4MD0 · Mears Creek AirfieldPrivate (6 NM)2W6 · St. Mary's County Regional Airport (7 NM)KNUI · Naval Outlying Landing Field WebsterPrivate (9 NM)65MD · Willow Bee Farm AirfieldPrivate (9 NM)

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 KNHK 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.

About KNHK

Patuxent River Naval Air Station (Trapnell Field) (NHK · KNHK) is an airport in Patuxent River, MD, at 39 ft MSL. It has 3 runways, the longest 11,799 ft, with a control tower. This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KNHK, refreshed from the Aviation Weather Center and FAA NASR.

Does KNHK have a control tower?

Yes. Patuxent River Naval Air Station (Trapnell Field) has an operating FAA control tower. Check the Comms & NavAids tab for tower and ground frequencies.

What is the longest runway at KNHK?

Patuxent River Naval Air Station (Trapnell Field) has 3 runways; the longest is 11,799 ft. See the Runways tab for headings, surface, and lighting.

Where is KNHK?

Patuxent River Naval Air Station (Trapnell Field) is in Patuxent River, MD, at an elevation of 39 ft MSL. Coordinates: 38.2860, -76.4118.

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