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KNHK

NHK

Patuxent River Naval Air Station (Trapnell Field) · Patuxent River

Key Facts

Technical summary and operational standards.

ILS Approach StatusILS FREQUENCIES VERIFIED ✅

Field Elevation

39 ft / 12 m

Transition Altitude

18,000 ft

Primary Channel

TWR 123.70 MHz (TWR)

Runway Summary

06/2411,807 ftPEMLIGHTED

14/329,742 ftPEMLIGHTED

02/205,021 ftAsphaltUNLIT

Details Runways Frequencies Navaids Nearby

Mission Briefing & Tools

Direct calculators and pre-filled resources for this airport.

SkyVector FlightAware Live METAR Satellite

Less math, more flying. Did this save your approach? 🛬

Briefing for Patuxent River Naval Air Station (Trapnell Field) (KNHK), United States. This facility features 3 active runways with an elevation of 39 ft. Verified ILS frequencies are available for precision approaches.Maintain a Transition Altitude of 18,000 ft for altimeter reset.

Airport Details

Full geographical and organizational metadata.

Full Name

Patuxent River Naval Air Station (Trapnell Field)

ICAO / IATA

KNHK / NHK

Municipality

Patuxent River

Country

Region

US-MD

GPS Coordinates

38.285999, -76.411797

Transition Altitude

18,000 ft

Official Website

—

Wikipedia

Runways & ILS Approach Data

Detailed dimensions and verified landing frequencies.

Runway 06 / 24

ILSLIGHTED

Crosswind 06 Crosswind 24 TOD VDP

Length: 11,807 ft / 3,599 m
Surface: PEM
Heading: 49.1° / 229.1°

RWY 06

108.70 MHz

ID: NHK | CRS: 59°

RWY 24

No ILS

Runway 14 / 32

LIGHTED

Crosswind 14 Crosswind 32 TOD VDP

Length: 9,742 ft / 2,969 m
Surface: PEM
Heading: 126° / 306°

RWY 14

No ILS

RWY 32

No ILS

Runway 02 / 20

UNLIT

Crosswind 02 Crosswind 20 TOD VDP

Length: 5,021 ft / 1,530 m
Surface: Asphalt
Heading: 8.1° / 188.1°

RWY 02

No ILS

RWY 20

No ILS

Nearby Navaids

VOR, NDB, DME stations in the vicinity.

NHK · NDB (Patuxent)400 kHz

19 ft · Associated: KNHK
38.285999, -76.403198

PXT · VORTAC (Patuxent)117,600 kHz

20 ft · Associated: KNHK
38.287800, -76.400200

Communication Frequencies

ATC and advisory channels.

A/D APP/DEP

120.05 MHz

ATIS ATIS

27.62 MHz

CLD CLNC DEL

135.20 MHz

GND GND

120.60 MHz

OPS BASE OPS

30.25 MHz

PMSV PMSV METRO

35.62 MHz

RDO LEESBURG RDO

117.60 MHz

TWR TWR

123.70 MHz

Nearby Airports

Alternatives in the vicinity.

Joint Base Andrews

Salisbury Ocean City Wicomico Regional Airport

Quantico Marine Corps Airfield / Turner Field

Davison Army Air Field

Ronald Reagan Washington National Airport

Data Source: OurAirports · Technical Briefing Jan 2026
ILS Data Source: AIP / FAA NASR Cycle Verified