Patuxent River Naval Air Station (Trapnell Field)
Daylight today(Jul 18, 2026, local time)
About 14h 31m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
About Patuxent River Naval Air Station (Trapnell Field)
Naval Air Station Patuxent River, also known as NAS Pax River, is a United States naval air station in St. Mary’s County, Maryland on the Chesapeake Bay near the mouth of the Patuxent River.
Summary from Wikipedia, photo via Wikimedia Commons, licensed under CC BY-SA.
Live weather
KNHKLive departures & arrivals
Flight data by AeroDataBox. Times are estimates — not for navigation; confirm with the airline.
Where you can fly from here
Current scheduled routes & daily frequency by AeroDataBox. Approximate — confirm bookable schedules with the airline.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (3)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 06 / 24 | 11,799 ft / 3,596 m | 200 ft | Pem | Lighted | Open |
| 14 / 32 | 9,732 ft / 2,966 m | 200 ft | Pem | Lighted | Open |
| 02 / 20 | 5,021 ft / 1,530 m | 75 ft | Asp | Unlit | Open |
Radio frequencies (8)
| Type | Description | Frequency |
|---|---|---|
| A/D | APP/DEP | 120.050 MHz |
| ATIS | ATIS | 27.620 MHz |
| CLD | CLNC DEL | 135.200 MHz |
| GND | GND | 120.600 MHz |
| OPS | BASE OPS | 30.255 MHz |
| PMSV | PMSV METRO | 35.620 MHz |
| RDO | LEESBURG RDO | 117.600 MHz |
| TWR | TWR | 123.700 MHz |
Navaids(2)
Instrument procedures & charts
Airport diagram (1)
Instrument approaches (13)
Obstacle departure procedures (2)
Takeoff & alternate minimums (2)
Charts published by the FAA (public domain) and updated each 28-day cycle. Always fly the current, official chart. Full charts page.
Airspace in this area(7)
| Name | Class | Type | Floor | Ceiling |
|---|---|---|---|---|
| PATUXENT RIVER CLASS D | Class D | Controlled | GND | 2500 ft MSL |
| PATUXENT RIVER CLASS D | Class D | Controlled | GND | 2500 ft MSL |
| PATUXENT RIVER CLASS E2 | Class E | Controlled | GND | 17999 ft MSL |
| R4005 0700-2300 LCL DAILY; OTH TIMES AS SPECIFIED BY NOTAM | Special use | Restricted | GND | 24999 ft MSL |
| R4008 0700-2300 LCL DAILY; OTH TIMES AS SPECIFIED BY NOTAM | Special use | Restricted | FL250 | FL850 |
| R4006 0700-2300 LCL DAILY; OTH TIMES AS SPECIFIED BY NOTAM | Special use | Restricted | 3500 ft MSL | 25000 ft MSL |
| R4007 0700-2300 LCL DAILY; OTH TIMES AS SPECIFIED BY NOTAM | Special use | Restricted | GND | 4999 ft MSL |
Approximate bounding-box match from OpenAIP · all United States airspace. Reference only — consult official charts for exact boundaries and status.
Tall obstacles nearby
| Obstacle | Height AGL | Top (MSL) | Lit |
|---|---|---|---|
| Obstacle | 449 ft | 125 ft | — |
| Obstacle | 420 ft | 141 ft | — |
| Obstacle | 400 ft | 148 ft | — |
| Obstacle | 374 ft | 128 ft | — |
| Obstacle | 262 ft | 82 ft | — |
Tallest obstacles within ~10 nm. Data via OpenAIP. Reference only — consult official charts.
Nearby airports
Great-circle distance and true bearing from Patuxent River Naval Air Station (Trapnell Field).
Frequently asked questions
What is the ICAO code for Patuxent River Naval Air Station (Trapnell Field)?
The ICAO code for Patuxent River Naval Air Station (Trapnell Field) is KNHK, and its IATA code is NHK.
Where is Patuxent River Naval Air Station (Trapnell Field) located?
Patuxent River Naval Air Station (Trapnell Field) is medium airport located in Patuxent River, United States, at an elevation of 39 ft (12 m).
How many runways does Patuxent River Naval Air Station (Trapnell Field) have?
Patuxent River Naval Air Station (Trapnell Field) has 3 runways, the longest being 11,799 ft / 3,596 m.
What time zone is Patuxent River Naval Air Station (Trapnell Field) in?
Patuxent River Naval Air Station (Trapnell Field) is in the America/New York time zone (UTC-04:00).
What is the magnetic variation at Patuxent River Naval Air Station (Trapnell Field)?
The magnetic variation (declination) at Patuxent River Naval Air Station (Trapnell Field) is approximately 10.9° W, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near Patuxent River Naval Air Station (Trapnell Field)?
The nearest airport to Patuxent River Naval Air Station (Trapnell Field) is Chesapeake Ranch Airport (MD50), about 4.5 nm to the n, followed by West St Mary's Airport and Mears Creek Airfield.
Is the information on this page suitable for flight planning?
No. Patuxent River Naval Air Station (Trapnell Field) data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.