Reference data only — not for flight planning or navigation. Verify with official sources (AIP, NOTAMs, ATC). Full disclaimer
Patuxent River Naval Air Station (Trapnell Field) (KNHK/NHK) — Patuxent River, United States
At a glance
- Operating hours
- 16:00–08:00 UTC
- Port of entry
- No
- Tower
- 123.7
- Runways
- 02/20, 06/24, 14/32
- Elevation
- 39 ft
Times in UTC. Reference only: verify with the AIP and NOTAMs.
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77%
Data Complete
40 of 52 points
Missing: Fuel, Contacts
Section Breakdown
Basic Info
7/7
Runways
4/4
Frequencies
3/4
Operations
2/2
Fuel
0/1
Contacts
0/2
Additional Info
3/10
Observed Activity
· Nov 9
29 aircraft observed within 6 NM · 1 on the ground · busiest hour 14:00Z
2026-10-272026-11-09
Distinct ADS-B aircraft seen within 6 NM below 10,000 ft AGL per UTC day · community-feed coverage varies · not official movement totals
Data last updated:
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See a next to a field? Click it to confirm the info is still correct. Recently verified Outdated — please verify
Basic Airport Information
- ICAO: KNHK
- Name: Patuxent River Naval Air Station (Trapnell Field)
- Type: medium_airport
- Category: Military
- Latitude: 38.285999
- Longitude: -76.411797
- Elevation: 39 ft
- Country: United States
- Municipality: Patuxent River
- IATA Code: NHK
- FAA Code: N/A
- FIR: N/A
- Timezone: America/New_York
- Distance from City: N/A km
- VFR: Yes
- IFR: No
Runways
Runway 02/20
- Designation: 02/20
- Dimensions: 1530x23m
- Surface: ASP
- PCN: 79
- Lighting: Not lighted
- NAVAIDs: N/A
- Approach Types: N/A
- Remarks: N/A
Runway 06/24
- Designation: 06/24
- Dimensions: 3596x61m
- Surface: PEM
- PCN: 70
- Lighting: Lighted
- NAVAIDs: N/A
- Approach Types: N/A
- Remarks: N/A
Runway 14/32
- Designation: 14/32
- Dimensions: 2966x61m
- Surface: PEM
- PCN: 67
- Lighting: Lighted
- NAVAIDs: N/A
- Approach Types: N/A
- Remarks: N/A
Frequencies
- Tower: 123.700 MHz
- Ground: 120.600 MHz
- Operations: 30.255, 117.600 MHz
- Traffic/Approach: N/A
- ATIS: N/A
Operation Hours
Monday
16:00
–
08:00
Tuesday
16:00
–
08:00
Wednesday
16:00
–
08:00
Thursday
16:00
–
08:00
Friday
16:00
–
08:00
Saturday
16:00
–
08:00
Sunday
16:00
–
08:00
- Extra Hours On Request: Not recorded
- Remarks: N/A
Contacts
- AIS Tel: N/A
- ARO Tel: N/A
- MET Tel: N/A
- Admin Tel: +1 301-863-3339
- Health Tel: N/A
- Police Tel: N/A
- Authorities Tel: N/A
- Website: N/A
- Remarks: N/A
Slots / PPR
- Slot Required: Not recorded
- PPR Required: Not recorded
- PPR Contact: N/A
- Remarks: N/A
Fuel Information
- Fuel (FAA): No fuel listed by the FAA Source: FAA NASR airport data, cycle 2026-10-29
Immigration
- Port of Entry: No: Naval air station: customs only for aircraft on official business at the station (NASR) Source: FAA NASR airport data, cycle 2026-10-29
- APIS Required: Not recorded
- GAR Required: Not recorded
Airport Services
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United States Permit Requirements
Fast
Landing: 1d
- Overflight Permit: No
- Landing Permit: Conditional
- Overflight Lead Time: N/A
- Landing Lead Time: 60 minutes minimum (eAPIS manifest before departure); recommend 24-48 hours for CBP port notification
Private / GA Operations:
No permits required for private non-revenue flights. eAPIS manifest mandatory for all international arrivals/departures.
Active NOTAMs
M1270/
warning
Aerodrome restriction
LANDING ZONE GOLF IN THE TURF AREA CLOSED. DUE TO SAFETY HAZARDS
2026-10-22 17:45 UTC
2026-11-23 10:00 UTC
M1270/26
warning
Aerodrome restriction
LANDING ZONE GOLF IN THE TURF AREA CLOSED. DUE TO SAFETY HAZARDS
2026-10-22 17:45 UTC
2026-11-23 10:00 UTC
M1193/26
warning
Aerodrome restriction
AERODROME AERODROME TACAN RWY 14 UNUSABLE.
2026-10-06 09:58 UTC
2026-11-27 23:59 UTC
+6 more active NOTAMs
NOTAMs received from the FAA NOTAM feed (last message 2026-11-11 03:34 UTC). This list is built from the feed as NOTAMs are issued and is not checked against the FAA's full list: confirm with FAA NOTAM Search before flight.
View all NOTAMs on Map
Nearby Airports
Airport History
No milestones recorded for Patuxent River Naval Air Station (Trapnell Field) yet. Know when it opened, who built it or a notable event? Add it with a source.
Add a historical factFrequently Asked Questions
- What are the operating hours of KNHK?
- Patuxent River Naval Air Station (Trapnell Field) operates from 16:00 to 08:00.
- What is the tower frequency at KNHK?
- The tower frequency at Patuxent River Naval Air Station (Trapnell Field) is 123.7 MHz.
- What fuel is available at KNHK?
- The FAA lists no fuel at Patuxent River Naval Air Station (Trapnell Field). Source: FAA NASR airport data, cycle 2026-10-29.
- Does KNHK require landing permits?
- It depends on the flight. No permits required for private non-revenue flights. eAPIS manifest mandatory for all international arrivals/departures. Permit details for United States
- Where is KNHK located?
- Patuxent River Naval Air Station (Trapnell Field) (KNHK) is located in Patuxent River, United States.
- What is the IATA code for KNHK?
- The IATA code for Patuxent River Naval Air Station (Trapnell Field) is NHK.
- How long is the runway at KNHK?
- The main runway at Patuxent River Naval Air Station (Trapnell Field) (02/20) measures 1530x23m.
- Is KNHK a port of entry?
- No. Naval air station: customs only for aircraft on official business at the station (NASR). Source: FAA NASR airport data, cycle 2026-10-29.