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PATUXENT RIVER NAS (TRAPNELL FLD) - Airport Diagram
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KNHK
ICAO KNHKIATA NHKLocal NHK
PATUXENT RIVER NAS (TRAPNELL FLD)
PrivatePVT

0 miles N of PATUXENT RIVER, MD, US
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Status
Operational
Coordinates
38° 17' 11"N 76° 24' 36"W
Elevation
39' MSL
Pattern Alt
1039' MSL
Mag Variation
11°W
Declination
10°W
Fuel
None Listed
FSS
LEESBURG (DCA)
Sectional
WASHINGTON
ARTCC
WASHINGTON (ZDC)
Data Effective
2/19/26-3/19/26
KNHK MVFR
12:52 PM EST  
Rain and Mist
Overcast 1,200'
Scattered 1,000'
4sm
39°F
37°F
29.82"Hg
360° 11kts
AO2 SLP099 P0005 60025 T00390028 10050 20033 58028 $
METAR KNHK 221752Z 36011KT 4SM RA BR SCT010 OVC012 04/03 A2982 RMK AO2 SLP099 P0005 60025 T00390028 10050 20033 58028 $
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KNHK FBOs

No FBOs (Fixed Base Operators) are listed for this airport.

KNHK Other Businesses

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Patuxent River Navy Flying Club
Phone: (301) 862-1110
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Clearance

Clearance Delivery 135.2

Ground

PATUXENT GROUND 120.6
24 HRS++ MON-SUN, OTHER TIMES BY NOTAM.

Tower

PATUXENT TOWER 123.7
24 HRS++ MON-SUN, OTHER TIMES BY NOTAM.

Approach

PATUXENT APPROACH 120.05
165-055 ABV 3000 FT
PATUXENT APPROACH 121.0
165-055 3000 FT & BLW
PATUXENT APPROACH 127.95
056-164 ALL ALTS
PATUXENT APPROACH 135.625
Secondary - WHEN NHK APCH CLSD

Departure

PATUXENT DEPARTURE 120.05
165-055 ABV 3000 FT
PATUXENT DEPARTURE 121.0
165-055 3000 FT & BLW
PATUXENT DEPARTURE 127.95
056-164 ALL ALTS
PATUXENT DEPARTURE 135.625
Secondary - WHEN NHK APCH CLSD

Emergency

Emergency 121.5

Terminal Area Forecast

KNHK
Sun, 2/22 10:09 AM EST
Sun, 2/22 10:00 AM EST - Mon, 2/23 10:00 AM EST
VFR
10:00 AM EST - 1:00 PM EST
Showers in vicinity
Overcast 5,000'
Scattered 2,000'
6sm
29.85"Hg
070° 13kts
Gusts 18kts
IFR
Temporary 10:00 AM EST - 1:00 PM EST
Showers and Rain
Overcast 3,000'
Broken 1,000'
2.98sm
Calm
MVFR
1:00 PM EST - 4:00 PM EST
Light Showers and Rain
Overcast 7,000'
Broken 2,500'
3.73sm
29.85"Hg
010° 13kts
Gusts 18kts
LIFR
Temporary 4:00 PM EST - 10:00 PM EST
Showers and Snow
Overcast 2,500'
Broken 500'
0.99sm
Calm
IFR
4:00 PM EST - 11:00 PM EST
Rain and Snow
Overcast 5,000'
Broken 1,500'
2.98sm
29.79"Hg
010° 13kts
Gusts 18kts
LIFR
11:00 PM EST - 10:00 AM EST
Showers and Snow
Overcast 2,000'
Broken 500'
0.99sm
29.82"Hg
320° 18kts
Gusts 28kts
TAF KNHK 2215/2315 07013G18KT 9999 VCSH SCT020 OVC050 QNH2986INS
   TEMPO 2215/2218 4800 SHRA BKN010 OVC030
   FM221800 01013G18KT 6000 -SHRA BKN025 OVC070 QNH2984INS
   FM222100 01013G18KT 4800 RASN BKN015 OVC050 QNH2980INS
   TEMPO 2221/2303 1600 SHSN BKN005 OVC025
   FM230400 32018G28KT 1600 SHSN BKN005 OVC020 QNH2983INS TX09/2215Z TN00/2303Z FN00172
KNHK
EffectiveExpiresCategoryNOTAM
Military
2/24/26
1830Z
2/24/26
2100Z
UAS OPERATIONS 200 FEET AND BELOW IN THE VICINITY OF THE BASEBALL FIELDS ADJACENT TO CUDDIHY ROAD.
2/23/26
2000Z
2/23/26
2100Z
Runway!KNHK M0199/26 NHK RWY 14/32 CLSD ?MK-7 BREAK DOWN. MEN AND EQUIPMENT ON THE RUNWAY. 2602232000-2602232100
2/23/26
1500Z
2/23/26
2000Z
RunwayRWY 32 MK-7 SHIP SUITABILIITY FLIGHT TESTING SCHEDULED. RWY 32 IS SHORTENED. 8,100 FT REMAINING, THE FIRST 1,630 FT CLOSED EXCEPT FOR MK-7 OPERATIONS. PRACTICE APPROACHES WILL BE ON A WORKLOAD PERMITTING BASIS"
2/23/26
1300Z
2/27/26
2200Z
UAS OPERATIONS 10NM SOUTH WEST OF NAS PATUXENT RIVER OPERATING 400 FEET AND BELOW OAG TANKS
2/23/26
1300Z
2/23/26
1500Z
MK-7 SET UP: MK-7 SET UP. MEN AND EQUIPMENT ON THE RUNWAY. RWY 14/32 CLOSED.
2/20/26
2037Z
2/23/26
2037Z
M0207/26 NOTAMC M0200/26
2/20/26
1954Z
2/23/26
1954Z
M0206/26 NOTAMC M0203/26
2/20/26
1954Z
2/23/26
1954Z
M0205/26 NOTAMC M0202/26
2/20/26
1953Z
2/23/26
1953Z
M0204/26 NOTAMC M0197/26
2/20/26
1834Z
2/23/26
1834Z
M0196/26 NOTAMC M0189/26
2/20/26
1421Z
2/23/26
1421Z
M0195/26 NOTAMC M0190/26
2/20/26
1334Z
2/23/26
1334Z
M0193/26 NOTAMC M0186/26
2/20/26
1333Z
2/23/26
1333Z
M0192/26 NOTAMC M0188/26
2/20/26
1333Z
2/23/26
1333Z
M0191/26 NOTAMC M0187/26
2/19/26
1432Z
2/22/26
1432Z
M0182/26 NOTAMC M0172/26
2/19/26
1432Z
2/22/26
1432Z
M0181/26 NOTAMC M0173/26
2/19/26
1431Z
2/22/26
1431Z
M0178/26 NOTAMC M0171/26
2/17/26
1933Z
2/24/26
2200Z
Runway!KNHK M0148/26 NHK RWY 06 E-28 U/S GEAR 2 OUT OF SERVICE 2602171933-2602242200
2/17/26
1520Z
5/1/26
2300Z
Obstruction!KNHK M0138/26 NHK OBST ANTENNA 381709N0762410W (0.2NM N NHK) UNKNOWN MSL
(60FT AGL) LGTD MQ-9 ANTENNA OPS 2602171520-2605012300
2/16/26
1304Z
5/15/26
1600Z
AerodromeAERODROME OPTICAL LANDING SYSTEM (OLS) RUNWAY 14 REMOVED
1/5/26
1757Z
4/4/26
2359Z
AerodromeAERODROME TACAN RWY 14 UNUSABLE.
1/5/26
1756Z
4/4/26
2359Z
AerodromeAERODROME TACAN UNUSABLE BEYOND 12NM AND BELOW 2500FT FOR ARCS 060-075, 171-190, 322-332, AND 355-025.
12/22/25
1305Z
3/2/26
2300Z
Taxiway!KNHK M1786/25 NHK TWY D CLSD TAXIWAY DELTA CLOSED FROM TAXIWAY ALPHA TO DELTA COMPASS ROSE 2512221305-2603022300
12/15/25
1222Z
3/9/26
2300Z
NAWC PAD LIGHTS UNSERVICEABLE
Yes
1200-0400Z++.
CLSD HOLIDAYS.
US NAVY
OCEANOGRAPHIC OFC-CODE 3142
WASHINGTON, DC 20373
COMMANDING OFFICER
NAVAL AIR STATION
PATUXENT RIVER, MD 20670
Phone: 301-863-3339
LEESBURG FSS (DCA)
Toll Free: 1-800-WX-BRIEF
DCA
--
AVBL ONLY DURING HRS OF OPERATION.
N/A
N/A
No
No
None
Landing Rights Airport
None
None
None
None
None

Runway 02/20

5021 ft. x 75 ft.
ASPH  
Good 
NONE 
 
79/R/B/W/T 
-- 
-- 
-- 
-- 
  Runway 02 Runway 20
True Heading 8°188°
Traffic Pattern
Markings NPI NPI
Markings Condition GOOD GOOD
Latitude 38° 16' 36"N 38° 17' 25"N
Longitude 76° 25' 16"W 76° 25' 07"W
Elevation 37' 25'
Threshold Crossing Height -- --
Visual Glide Path Angle -- --
Visual Slope Indicator -- --
Approach Lights
Centerline Lights No No
Runway End Identifier Lights

Runway 06/24

11799 ft. x 200 ft.
ASPH  
Good 
NONE 
HIGH 
70/R/B/W/T 
-- 
-- 
-- 
-- 
  Runway 06 Runway 24
True Heading 49°229°
Traffic Pattern
Markings PIR PIR
Markings Condition GOOD GOOD
Latitude 38° 16' 37"N 38° 17' 53"N
Longitude 76° 25' 18"W 76° 23' 26"W
Elevation 39' 20'
Threshold Crossing Height -- --
Visual Glide Path Angle -- --
Visual Slope Indicator -- --
Approach Lights ALSF1
Centerline Lights Yes Yes
Runway End Identifier Lights

Runway 14/32

9732 ft. x 200 ft.
ASPH  
Good 
NONE 
HIGH 
67/R/B/W/T 
-- 
-- 
-- 
-- 
  Runway 14 Runway 32
True Heading 126°306°
Traffic Pattern
Markings PIR PIR
Markings Condition GOOD GOOD
Latitude 38° 17' 39"N 38° 16' 43"N
Longitude 76° 25' 24"W 76° 23' 45"W
Elevation 27' 16'
Threshold Crossing Height -- --
Visual Glide Path Angle -- --
Visual Slope Indicator -- --
Approach Lights
Centerline Lights No No
Runway End Identifier Lights
A110-1JASU: (GTC-85) (NCPP-105) (NC-8) (NC-10).
A110-10NS 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.
A110-11CSTMS/AG/IMG: LTD TO ACFT ON OFFICIAL BUSINESS AT PAX RIV WITH 72 HR PN. CTC AODO AT DSN 342-3836, C301-342-3836.
A110-12MISC: 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.
A110-13FOR CD WHEN NHK ATCT/APCH ARE CLSD CTC POTOMAC APCH AT 866-640-4124.
A110-14MISC: FOR INFO REGARDING CIVIL AIR LANDING PERMITS (CALPS) CTC AFM AT 301-342-8923 OR EMAIL NASPATUXENTRIVERCALPS@US.NAVY.MIL.
A110-15SERVICE: NO BASE TRANSPORTATION AVBL.
A110-16MISC: 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.
A110-17MISC: CLASS D AVAIL EXCLUDING THAT AIRSPACE WITHIN RESTRICTED AREAS R-4005 AND R-4007 WHEN ACTIVE. SEE FLIP AP/1 SUPPLEMENTARY ARPT REMARKS.
A110-2FUEL: 100LL, A, J5.
A110-3FLUID: SP LHOX LOX.
A110-4OIL: O-128-133-148-156 (MIL).
A110-5TRAN ALERT: AVBL 1200-23000Z++ MON-FRI EXC HOL.
A110-6REMARKS: OPR 1200-0400Z++ MON-FRI,1300-2300Z++ SAT-SUN, CLSD HOL. SEE FLIP AP/1 SUPPLEMENTARY ARPT RMK.
A110-7RSTD: 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.
A110-8CAUTION: 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.
A110-9TFC 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.
A17-M1CLSD HOLIDAYS.
A49-06OLS.
A49-14OLS.
A49-24OLS.
A49-32OLS.
A81-APTAVBL ONLY DURING HRS OF OPERATION.
E60-06_E28HOOK E28(B) (2180 FT).
E60-14_E28HOOK E28(B) (1280 FT).
E60-24_E28HOOK E28(B) (1499 FT).
E60-32_E28HOOK E28(B) (3050 FT).
PATUXENT RIVER NAS (TRAPNELL FLD) (ICAO: KNHK, IATA: NHK) is a private airport located in PATUXENT RIVER, MD, US.