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KNHK · Patuxent River Naval Air Station (Trapnell Field)

ICAO · US · 4 NTSB events

ID KNHK FAA NHK Elev 39 ft Lat 38° 17.16' N Lon 76° 24.71' W Zulu …

Live conditions

METAR

fetching…

Wind / Visibility

—

Density altitude (now)

—

Decode in METAR tool TAF on AWC ↗ NOTAMs ↗

Aerial view

No FAA diagram published

Imagery © Esri, Maxar, Earthstar Geographics, USDA FSA

Runways

6 runway ends on file. Longest: 11,799 ft. Max gradient: 0.25%

Designator Heading Length Width Surface Lighting Gradient
06 49.1° 11,799 ft 200 ft PEM Yes 0.16%
24 229.1° 11,799 ft 200 ft PEM Yes 0.16%
14 126° 9,732 ft 200 ft PEM Yes 0.12%
32 306° 9,732 ft 200 ft PEM Yes 0.12%
02 8.1° 5,021 ft 75 ft ASP No 0.25%
20 188.1° 5,021 ft 75 ft ASP No 0.25%

Lengths + headings: in-app airport database. Surface, width, lighting: OurAirports. Gradient: derived from FAA NASR runway-end elevations (NASR's RWY_GRAD field is empty in 99.99% of rows).

Communications · 8 frequencies

  • ATIS ATIS 127.620
  • CLD CLNC DEL 135.200
  • GND GND 120.600
  • TWR TWR 123.700
  • A/D APP/DEP 120.050
  • OPS BASE OPS 130.255
  • PMSV PMSV METRO 135.620
  • RDO LEESBURG RDO 117.600

Live ATC audio (streaming + archived): Open KNHK on LiveATC ↗

  • NDB NHK

    Patuxent

    0.40 MHz · TERMINAL · LOW

  • VORTAC PXT

    Patuxent

    117.60 MHz · DME 117.60 · BOTH · MEDIUM

Chart Supplement remarks, plain English · cycle 22JAN2026 · 2 matched · 69 not yet translated

Translations anchored to the FAA text; the raw FAA text is authoritative.

TL;DR

  • ·Pilot-controlled lighting: click mic 7 times on the CTAF to activate HIRL Rwy 04–22, REIL Rwy 22; Twy A lgt. Lights stay on 15 minutes — click again to refresh.
  • ·Wildlife on or near runways. Vigilant scan during taxi, takeoff, and landing roll. Birds also reported in the area.

Watch for

  • Pilot-controlled lighting: click mic 7 times on the CTAF to activate HIRL Rwy 04–22, REIL Rwy 22; Twy A lgt. Lights stay on 15 minutes — click again to refresh.

    pcl ctaf

  • Wildlife on or near runways. Vigilant scan during taxi, takeoff, and landing roll. Birds also reported in the area.

    wildlife hazard

All translated remarks (2)

  • Pilot-controlled lighting: click mic 7 times on the CTAF to activate HIRL Rwy 04–22, REIL Rwy 22; Twy A lgt. Lights stay on 15 minutes — click again to refresh.

    Raw FAA text · service · operational

    ACTVT HIRL Rwy 04–22, REIL Rwy 22; Twy A lgt—CTAF

  • Wildlife on or near runways. Vigilant scan during taxi, takeoff, and landing roll. Birds also reported in the area.

    Raw FAA text · military remarks · operational

    Deer haz. Ctc ADVSY 15 min prior to arr to arng deer sweep.

Not yet translated · raw FAA text (69 sentences)
  • ·110 MARYLAND PATUXENT RIVER NAS (TRAPNELL FLD) (NHK)(KNHK) N 0 N UTC–5(–4DT) N38º17.18´ W76º24.60´ 39 B TPA—See Remarks LRA NOTAM FILE DCA Not insp.
  • ·RWY 06–24: H11799X200 (ASPH) PCN 70 R/B/W/T HIRL CL RWY 06: ALSF1.
  • ·RWY 14–32: H9732X200 (ASPH) PCN 67 R/B/W/T HIRL RWY 14: OLS.
  • ·RWY 02–20: H5021X75 (ASPH) PCN 79 R/B/W/T ARRESTING GEAR/SYSTEM RWY 06 HOOK E28(B) (2180 FT).
  • ·RWY 24 RWY 14 HOOK E28(B) (1280 FT).
  • ·MILITARY— JASU (NCPP–105) (NC–8A) (NC–10C) FUEL J5, 100LL, A FLUID SP LHOX LOX OIL O–128–133–148–156(Mil) TRAN ALERT Avbl 1200–2300Z‡ Mon–Fri exc hol.
  • ·No base transportation avbl.
  • ·Noise abatement: Military acft maintain at least 1500´ between 3 NM and 10 NM from 210º clockwise to 240º.
  • ·No practice apch Mon–Fri 0300–1200Z‡.
  • ·Sat before 1500Z‡, Sun before 1700Z‡.
  • ·Tran acft practice apch not to interfere basis.
  • ·: Opr Class D svc Mon–Fri 1200–0400Z‡, Sat–Sun 1300–2300Z‡, clsd holidays.
  • ·See FLIP AP/1 Supplementary Arpt Remarks.
  • ·RSTD PPR, no NOTAM trml fac avbl.
  • ·PPR requests should be emailed to [email protected].
  • ·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 Operations.
  • ·Ltd ramp space, and ltd tran svc avbl expect delays.
  • ·Twy all exp dly due to acft wt limitations.
  • ·CAUTION Deer and bird haz.
  • ·Stopping in rstd area on Twy A, W twy is proh.
  • ·Portions of rwy, twy and acft ramps not vis fr twr.
  • ·Rwy 32 may be clsd dalgt hrs Mon–Sat dur VFR.
  • ·Buildings and equipment are located near the approaach end of Rwy 32.
  • ·TFC PAT TPA—VFR initial at 4 DME (Rwy 32 at 3 DME) 2000(1961), break 1500(1461), downwind 1000(961).
  • ·Reduced rwy separation std in eff for lcl based USN/USMC acft.
  • ·CSTMS/AG/IMG Ltd to acft on official business at Patuxent River with 72 hr prior notice.
  • ·Ctc AODO at DSN 342–3836, C301–342–3836.
  • ·MISC NS Norfolk, Chamber Fld coord all flt planning svc.
  • ·Flt plans should be emailed to [email protected] or fax to DSN 565–9680, C757–445–9680.

+ 39 more sentences · see Chart Supplement page below for the full text

Field profile

Use

Private

Ownership

Military / Navy

Scheduled service

No

IATA · NHK

FAA Chart Supplement

NTSB events

4 NTSB-recorded events on file at this airport .

Total events

5

since 1982

Fatal

0

0.0% of total

Last 5 years

1

≈ 0.2/yr

Last 10 years

1

≈ 0.1/yr

Ranking across all airports · Open in accident map ↗

Last 10 years · n=1

  • Gear-up landing 1

All time · n=4

  • Stall / spin 1
  • Fuel exhaustion / starvation 1
  • Hard landing 1
  • Gear-up landing 1

Categories rule-matched from NTSB findings and probable-cause text. "Other" = not enough agency text to classify.

Date Aircraft · Classification · Wx Sev
2021-03-22 Cessna T337G · Gear-up · VMC · day →
2005-08-10 Cessna R172E · Hard landing · day →
2002-08-01 Cessna 172K · Fuel exhaustion · VMC · day →
1986-10-03 Beech D-45 (T-34B) · Stall / spin · IMC · day →

Designees in MD

CFI Flight Instructors 857 A&P Mechanics 2,351 AME Medical Examiners (AME) 35 DME Mechanic Examiners (DME) 2 DAR-F Manufacturing Airworthiness (DAR-F) 2 DAR-T Maintenance Airworthiness (DAR-T) 3 DER-Y Engineering — Company (DER-Y) 3 DER-T Engineering — Consultant (DER-T) 4 SAE Specialty Aircraft Examiners (SAE) 20 ODA Organizational Designations 1 Schools Flight Schools 37 FBO Fixed Base Operators 20 Clubs Flying Clubs 26 Repair Repair / Maintenance Shops 3 EAA EAA Chapters 8

DPEs nearby

Distance is city-centroid to airport, a first cut, not the exam location.

Designee City ST Distance
Anthony James Capozzi California MD 4 nm
Paul Edward Nuwer Cambridge MD 23 nm
Edward Ambler Easton MD 34 nm
Christopher Hartman Salisbury MD 39 nm
Edward Joseph Brink Salisbury MD 39 nm
Galen Neal Anderson Salisbury MD 39 nm
Curt Tucker Davidsonville MD 40 nm
Mark Stanley Meredith Edgewater MD 40 nm
Paul Edward Nuwer Laurel DE 43 nm
Jeffrey Richard Riemer Arlington VA 48 nm

Showing 10 closest of ~1,400 DPEs nationwide. Source: FAA Designee Locator.

CFIs nearby

City-centroid distance; ratings as on the FAA certificate.

Instructor City ST Distance
Travis John Hartman Patuxent River MD 0 nm
Edward Fabien Breau Lexington Park MD 3 nm
Donald Ray Jackson Lexington Park MD 3 nm
Charles Edward Malone Lexington Park MD 3 nm
Jacque David La Valle Lexington Park MD 3 nm
Peter Joseph Walczak Lexington Park MD 3 nm
Francis Christopher Chapelle Lexington Park MD 3 nm
Jeremy Allen Debons Lexington Park MD 3 nm
Johnathan Ryan Leyba Lexington Park MD 3 nm
Christopher Ron Wilkinson Lexington Park MD 3 nm

Showing 10 closest of ~70,900 active CFIs nationwide. Source: FAA Airmen Certification Database.

A&P mechanics nearby

City-centroid distance. A = airframe, P = powerplant, IA = inspection authorization.

Mechanic City ST Distance
Patrick Steven Weaver Patuxent River MD 0 nm
Howard Everett Braden Jr Patuxent River MD 0 nm
Jack Earl Yates Patuxent River MD 0 nm
Scott David Wilkinson Patuxent River MD 0 nm
Jeffrey Ronald Bell Patuxent River MD 0 nm
Adam Wayne Rocks Patuxent River MD 0 nm
Wesley Martin Halleck Patuxent River MD 0 nm
John Michael Jones Patuxent River MD 0 nm
Samuel Dean Holcomb Patuxent River MD 0 nm
Donald Ray Jackson Lexington Park MD 3 nm

Showing 10 closest of ~248,300 certificated mechanics nationwide. Source: FAA Airmen Certification Database.

Repair stations nearby

By airport location.

Shop Distance
Atkinson Aeronautics & Technology Inc.
Tappahannock, VA
 34 nm
Air Repair, Inc
Easton, MD
 36 nm
Whiskey75 Services, LLC
Topping, VA
 41 nm
Flywyld Aviation
Manassas, VA
 58 nm
Aviation Institute of Maintenance - Washington, DC
Manassas, VA
 60 nm
Capital Wings Services
Gaithersburg, MD
 64 nm
Aviation Institute of Maintenance - Chesapeake, VA
Chesapeake, VA
 83 nm
Norfolk Aviation
Norfolk, VA
 85 nm
Aircraft Repair Solutions
Chesapeake, VA
 91 nm
Bay Avionics, LTD
Suffolk, VA
 91 nm

Showing 10 closest of ~400 geocoded shops in the repair-station directory. Source: AOPA business listings.