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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
5/14/26-6/11/26
KNHK VFR
8:52 AM EDT  
Clear
10sm
72°F
52°F
30.20"Hg
330° 5kts
AO2 SLP226 T02220111 $
METAR KNHK 041252Z 33005KT 10SM CLR 22/11 A3020 RMK AO2 SLP226 T02220111 $
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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
Thu, 6/4 2:54 AM EDT
Thu, 6/4 3:00 AM EDT - Fri, 6/5 3:00 AM EDT
VFR
3:00 AM EDT - 4:00 PM EDT
Few 7,000'
6sm
30.09"Hg
VRB° 6kts
VFR
Becoming 4:00 PM EDT - 3:00 AM EDT
Few 10,000'
6sm
30.00"Hg
180° 8kts
Gusts 13kts
TAF KNHK 0407/0507 VRB06KT 9999 FEW070 QNH3008INS
   BECMG 0420/0422 18008G13KT 9999 FEW100 QNH3001INS AUTOMATED SENSOR METWATCH 0407 TIL 0408 TX28/0420Z TN16/0410Z FN00319
KNHK
EffectiveExpiresCategoryNOTAM
Domestic
6/4/26
1300Z
!DCA 06/015 NHK AIRSPACE FLTCK ACFT OPS WI AN AREA DEFINED AS 5NM RADIUS OF NHK SFC-3500FT AGL ACFT CS FLC75 2606041300-2606042100EST
Military
6/9/26
1200Z
6/9/26
1830Z
Obstruction!KNHK M0643/26 NHK OBST CRANE 381720N0762337W (.2NM NNE NHK) UNKNOWN MSL
(160FT AGL) FLAGGED AND NOT LGTD BLDG 2100 EMP SITE 2606091200-2606091830
6/5/26
1600Z
6/5/26
1705Z
UAS OPERATING 200 FT AND BELOW 5 MILES SOUTHWEST OF KNHK IN THE VICINITY OF GREAT MILLS HIGH SCHOOL.
6/4/26
1745Z
6/4/26
1845Z
UAS OPERATIONS R4007 WILL BE EXCLUSIVE FOR 15 MINUTE RECOVERY PERIOD BETWEEN 1745Z-1845Z. ROTARY WING OPERATIONS NW OF RWY 06/24 ARE PERMITTED DURING THE EXCLUSIVE PERIOD.
6/4/26
1445Z
6/4/26
1545Z
UAS OPERATIONS R4007 WILL BE EXCLUSIVE FOR 15 MINUTE LAUNCH PERIOD BETWEEN 1445Z-1545Z. ROTARY WING OPERATIONS NW OF RWY 06/24 ARE PERMITTED DURING THE EXCLUSIVE PERIOD.
6/4/26
1227Z
6/7/26
1227Z
M0647/26 NOTAMC M0646/26
6/4/26
1100Z
6/7/26
2200Z
UAS OPERATING 395FT AND BELOW 8 MILES NORTHEAST OF KNHK AT BARREN ISLAND.
6/2/26
1355Z
6/5/26
1355Z
M0632/26 NOTAMC M0627/26
6/1/26
1637Z
6/4/26
1637Z
M0626/26 NOTAMC M0621/26
6/1/26
1200Z
7/3/26
2200Z
UAS OPERATING 400FT AND BELOW 11 MILES SOUTH OF KNHK.
6/1/26
1136Z
7/31/26
2359Z
AerodromeAERODROME AERODROME TACAN UNUSABLE BEYOND 12NM AND BELOW 2500FT FOR ARCS 060-075, 171-190, 322-332, AND 355-025.
6/1/26
1136Z
7/31/26
2359Z
AerodromeAERODROME TACAN RWY 14 UNUSABLE.
6/1/26
1100Z
8/25/26
2200Z
UAS OPERATING 100FT AND BELOW 13NM SOUTHEAST OF KNHK OVER THE POTOMAC RIVER BETWEEN PINEY POINT AND LEWIS POINT VA.
5/15/26
1237Z
7/24/26
2300Z
Obstruction!KNHK M0578/26 NHK OBST ANTENNA 381701N0762456W (.2NM N NHK) UNKNOWN MSL
(65FT AGL) LGTD WEATHER ANTENNA. 65FT ONLY WHEN IN USE. 2605151237-2607242300
5/13/26
1042Z
7/29/26
1930Z
Obstruction!KNHK M0546/26 NHK OBST CRANE 381646N0762618W (1.5NM WSW NHK) UNKNOWN MSL
(110FT AGL) FLAGGED AND NOT LGTD HGR 305 2605131042-2607291930
5/5/26
1711Z
7/27/26
2300Z
AerodromeAERODROME HELO LANDING ZONE GOLF CLOSED FOR TERRAPIN NESTING SEASON
5/1/26
1018Z
7/29/26
2300Z
Obstruction!KNHK M0485/26 NHK OBST ANTENNA 381709N0762410W (0.2NM N NHK) UNKNOWN MSL
(60FT AGL) LGTD MQ-9 ANTENNA OPS 2605011018-2607292300
4/30/26
1019Z
7/2/26
2300Z
Taxiway!KNHK M0473/26 NHK TWY D CLSD BARRICADED CLOSED FROM DELTA COMPASS ROSE TO TWY ALPHA 2604301019-2607022300
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.