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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
3/19/26-4/16/26
KNHK VFR
7:52 PM EDT  
Clear
10sm
68°F
58°F
30.02"Hg
130° 5kts
AO2 SLP167 T02000144 10289 20200 56008 $
METAR KNHK 042352Z AUTO 13005KT 10SM CLR 20/14 A3002 RMK AO2 SLP167 T02000144 10289 20200 56008 $
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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
Sat, 4/4 7:45 PM EDT
Sat, 4/4 7:00 PM EDT - Sun, 4/5 7:00 PM EDT
VFR
7:00 PM EDT - 2:00 AM EDT
Scattered 10,000'
Scattered 5,000'
6sm
30.00"Hg
190° 10kts
Gusts 15kts
VFR
Becoming 2:00 AM EDT - 12:00 PM EDT
Broken 25,000'
Scattered 10,000'
6sm
29.97"Hg
200° 15kts
Gusts 20kts
VFR
12:00 PM EDT - 6:00 PM EDT
Thunderstorm in vicinity
Broken 5,000'
Scattered 1,500'
6sm
29.94"Hg
230° 15kts
Gusts 20kts
IFR
Temporary 1:00 PM EDT - 5:00 PM EDT
Thunderstorm and Rain
Broken 5,000'
Broken 1,000'
1.99sm
VRB° 18kts
Gusts 28kts
IFR
6:00 PM EDT - 7:00 PM EDT
Showers and Rain
Broken 7,000'
Broken 1,500'
2.98sm
29.91"Hg
270° 8kts
Gusts 13kts
TAF KNHK 0423/0523 19010G15KT 9999 SCT050 SCT100 QNH3000INS
   BECMG 0506/0508 20015G20KT 9999 SCT100 BKN250 QNH2996INS
   FM051600 23015G20KT 9999 VCTS SCT015CB BKN050 QNH2994INS
   TEMPO 0517/0521 VRB18G28KT 3200 TSRA BKN010CB BKN050
   FM052200 27008G13KT 4800 SHRA BKN015 BKN070 QNH2990INS AUTOMATED SENSOR METWATCH 0423 TIL 0511 TX25/0520Z TN18/0512Z FN00319
KNHK
EffectiveExpiresCategoryNOTAM
Military
4/6/26
1200Z
4/6/26
1800Z
Obstruction!KNHK M0352/26 NHK OBST CRANE 381653N0762432W (.5NM E NHK) UNKNOWN MSL
(40FT AGL) FLAGGED AND NOT LGTD CENTERFIELD THRUST LIFT 2604061200-2604061800
4/6/26
1200Z
4/6/26
1800Z
Obstruction!KNHK M0351/26 NHK OBST CRANE 381714N0762522W (.5NM W NHK) UNKNOWN MSL
(40FT AGL) FLAGGED AND NOT LGTD HGR 101 2604061200-2604061800
4/2/26
1730Z
4/5/26
1730Z
M0350/26 NOTAMC M0347/26
4/2/26
1200Z
4/5/26
2300Z
UAS OPERATIONS 8NM NORTHEAST OF NHK 395 FT AND BELOW AT BARREN ISLAND
3/9/26
1016Z
4/24/26
2300Z
AerodromeAERODROME EMP EAST TOWER LIGHT OUT
3/2/26
2043Z
5/30/26
2359Z
AerodromeAERODROME TACAN UNUSABLE BEYOND 12NM AND BELOW 2500FT FOR ARCS 060-075, 171-190, 322-332, AND 355-025.
3/2/26
2043Z
5/30/26
2359Z
AerodromeAERODROME TACAN RWY 14 UNUSABLE.
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
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.