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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 LIFR
9:52 PM EST  
Light Drizzle
Overcast 10,000'
Broken 6,000'
Broken 400'
7sm
43°F
42°F
30.28"Hg
200° 8kts
AO2 SLP254 P0000 60001 T00610056 58015
METAR KNHK 040252Z 20008KT 7SM -DZ BKN004 BKN060 OVC100 06/06 A3028 RMK AO2 SLP254 P0000 60001 T00610056 58015
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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
Tue, 3/3 7:39 PM EST
Tue, 3/3 7:00 PM EST - Wed, 3/4 6:00 PM EST
LIFR
Temporary 7:00 PM EST - 9:00 PM EST
Light Rain and Mist
No Clouds
0.99sm
Calm
LIFR
7:00 PM EST - 9:00 PM EST
Showers and Mist in vicinity
Overcast 400'
2.98sm
30.27"Hg
110° 6kts
LIFR
Temporary 9:00 PM EST - 1:00 AM EST
Light Rain and Mist
Overcast 500'
0.99sm
Calm
IFR
9:00 PM EST - 1:00 AM EST
Light Rain and Mist
Overcast 1,500'
Broken 500'
2.98sm
30.21"Hg
200° 6kts
MVFR
Becoming 1:00 AM EST - 12:00 PM EST
Mist
Overcast 4,000'
Broken 2,000'
4.97sm
30.18"Hg
140° 8kts
MVFR
Becoming 12:00 PM EST - 6:00 PM EST
Showers and Mist in vicinity
Overcast 8,000'
Broken 4,000'
3.73sm
30.21"Hg
VRB° 6kts
TAF AMD KNHK 0400/0423 11006KT 4800 VCSH BR OVC004 650709 651709 WS020/24040KT QNH3026INS
   TEMPO 0400/0402 1600 -RA BR
   FM040200 20006KT 4800 -RA BR BKN005 OVC015 650709 651709 WS020/24040KT QNH3022INS
   TEMPO 0402/0406 1600 -RA BR OVC005
   BECMG 0406/0408 14008KT 8000 BR BKN020 OVC040 650909 651805 QNH3019INS
   BECMG 0417/0418 VRB06KT 6000 VCSH BR BKN040 OVC080 621006 QNH3020INS AUTOMATED SENSOR METWATCH 0404 TIL 0409 TX12/0419Z TN05/0323Z AMD 0025 FN20117
KNHK
EffectiveExpiresCategoryNOTAM
Military
2/26/26
1300Z
2/26/26
1600Z
Obstruction!KNHK M0212/26 NHK OBST CRANE 381655N0762359W (0.46NM SSE NHK) UNKNOWN MSL
(60FT AGL) FLAGGED AND NOT LGTD BLDG 2122 2602261300-2602261600
2/25/26
1700Z
2/25/26
1800Z
AerodromeAERODROME UAS OPERATIONS 2NM SOUTH OF PATUXENT RIVER OPERATING 300 FEET AND BELOW.
2/23/26
1300Z
2/27/26
2200Z
UAS OPERATIONS 10NM SOUTH WEST OF NAS PATUXENT RIVER OPERATING 400 FEET AND BELOW OAG TANKS
2/17/26
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.