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Patuxent River Naval Air Station (Trapnell Field) (KNHK/NHK) — Patuxent River, United States

Patuxent River Naval Air Station (Trapnell Field) (KNHK/NHK) serves Patuxent River, United States. This is a mid-sized airport with 3 runways (02/20, 06/24). Field elevation is 39 ft AMSL. Data on this page is maintained by the aviation community — contribute to keep it accurate.

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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 · Jul 28
35 aircraft observed within 6 NM · busiest hour 18:00Z
2026-07-182026-07-28
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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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: No
  • 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: No
  • PPR Required: No
  • PPR Contact: N/A
  • Remarks: N/A

Immigration

  • Port of Entry: No
  • GENDEC Required: No
  • GAR Required: No
  • Remarks: N/A

Airport Services

No services listed for this airport yet.

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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.

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Airport History

Discover the key milestones and historical events that shaped Patuxent River Naval Air Station (Trapnell Field). Our community-powered timeline traces this airport's journey from its origins to the present day.

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Frequently 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.
Does KNHK require landing permits?
Yes, landing permits are required for Patuxent River Naval Air Station (Trapnell Field) (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.