Patuxent River Naval Air Station (Trapnell Field)
NHK · KNHK · Patuxent River, Maryland · St Marys County · map
Patuxent River Naval Air Station (Trapnell Field) is a private airport owned by the US Navy in Patuxent River, Maryland, 39 feet above sea level. It has 3 runways; the longest, 06/24, is 11,799 feet of asphalt. It has a control tower.
Private use: permission from the owner is required before landing here.
Weather right now KNHK · observed 6:52 pm EDT (22:52 UTC), 39 minutes ago
VFR good flying weather
- Wind from the south-southeast (150°) at 3 knots
- Visibility 10 miles or more
- Temperature 55°F (13°C), dew point 46°F (8°C)
- Altimeter 30.11 inHg
The forecast issued Tue 6:00 pm EDT (22:00 UTC), good until Wed 7:00 pm EDT (23:00 UTC)
- From Tue 7:00 pm EDT (23:00 UTC): wind light and variable, clear skies
- Changing between Wed 11:00 am EDT (15:00 UTC) and 11:00 am EDT (15:00 UTC) to: wind from the south at 6 knots, a few clouds at 5,000 feet, a few clouds at 25,000 feet
The codes as issued (METAR and TAF)
METAR KNHK 062252Z 15003KT 10SM CLR 13/08 A3011 RMK AO2 SLP195 T01280078 $
TAF KNHK 062200Z 0623/0723 VRB06KT 9999 SKC QNH3002INS BECMG 0715/0815 19006KT FEW050 FEW250 QNH2990INS AUTOMATED SENSOR METWATCH 0703 TIL 0708 TX22/0720Z TN11/0710Z FN20117
From the National Weather Service's aviation weather service, refreshed every few minutes; times are local to the airport with UTC in brackets. For a flight, get your briefing from Flight Service or an approved provider.
The airport
- Codes
- FAA NHK · ICAO KNHK
- Kind
- Airport · private use, permission required · owned by the Navy
- Owner
- US Navy
- Elevation
- 39 feet above sea level
- Control tower
- A control tower with radar approach control · 24 hours++ mon-sun, other times by notam.
- Attended
- every day, 12:00 pm to 0400z++.
- Lights
- runway lights see the remarks below; beacon sunset to sunrise
- On the chart
- Washington sectional
- Magnetic variation
- 10W
- In the FAA's files since
- February 1944
Runways 3
For understanding the field, not for navigation.
| Runway | Length × width | Surface | Lights |
|---|---|---|---|
| 06/24 | 11,799 × 200 ft | Asphalt, good | High-intensity lights |
| 14/32 | 9,732 × 200 ft | Asphalt, good | High-intensity lights |
| 02/20 | 5,021 × 75 ft | Asphalt, good |
- Runway 06: ILS with DME, approach lights with sequenced flashers (ALSF-1)
Radio frequencies
| Clearance delivery | 121.75 | |
| Clearance delivery When sby tower closed | 132.45 | Salisbury |
| Clearance delivery | 135.2 | Patuxent |
| Ground | 120.6 | Patuxent |
| Tower | 123.7 | Patuxent |
| Approach and departure 165-055 above 3000 feet | 120.05 | Patuxent |
| Approach and departure 165-055 3000 feet and below | 121.0 | Patuxent |
| Approach and departure 056-164 all altitudes | 127.95 | Patuxent |
| Approach (secondary) Departure (secondary) When nhk approach closed | 135.625 | Patuxent |
| Emergency | 121.5 | Patuxent |
Aircraft registered in Patuxent River from the FAA register
134 aircraft are registered to owners in Patuxent River, Maryland: 126 helicopters, 3 turboprops, 3 piston singles, 2 piston twins. Not every one of them is based at this airport; the based-aircraft count above is the FAA's figure for this airport alone.
Companies and organisations in town with two or more aircraft:
Individuals are counted, never named. All aircraft registered in Maryland.
Accidents and incidents at or near this airport NTSB records · 4 since 1982, 0 fatal
Cases the NTSB recorded with this as the nearest airport, newest first. Each opens the full report in plain English.
Nearby within 30 nautical miles
The FAA's remarks as written in the airport file
- Jasu: (GTC-85) (NCPP-105) (NC-8) (NC-10).
- Available only during hours of operation.
- Closed holidays.
- Hook E28(B) (2180 feet).
- Hook E28(B) (1280 feet).
- Hook E28(B) (1499 feet).
- Hook E28(B) (3050 feet).
- Ols.
- Ols.
- Ols.
- Ols.
- Fuel: 100LL, a, J5.
Facts from the FAA's airport file effective October 1, 2026, written out in plain English; weather from the National Weather Service's aviation weather service; registered aircraft from the FAA register as of October 5, 2026; accidents from the NTSB's public database. Owners are shown only when they are an organisation; no person is named. Check the official sources before a flight: this page is for understanding an airport, not for planning one.