Princeton/Rocky Hill, New Jersey

39N Princeton

Princeton (39N) is a non-towered, public-use airport in Princeton/Rocky Hill, New Jersey, at 128.2 ft MSL. Its runway is 10/28 (3,499 by 75 ft, asphalt). CTAF 122.725.

FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.

Airport

At a glance

Identifiers
FAA 39N
Location
Princeton/Rocky Hill, New Jersey (Somerset County). 3 NM N of the city center
Elevation
128.2 ft MSL
Position
40.3991° N, 74.6590° W
Control tower
No, non-towered
Sectional chart
New York
Magnetic variation
13° W (2005)
Fuel
100LL, Jet A
Ownership
Privately owned, open to the public
Attendance
Daily 0800-DUSK

1 runway

Runways

RunwayLength × widthSurfaceEdge lights
10/283,499 × 75 ftAsphalt, fair conditionMedium intensity

Runway ends and traffic pattern

EndPatternGlide slope lightsInstrumentDisplaced thresholdLanding distance
10Left traffic2-light PAPI, leftNone listedNone listedNot listed
28Left traffic2-light PAPI, leftNone listed369 ftNot listed

VHF

Frequencies

CTAF
122.725
UNICOM
122.725
Approach / departure
132.8
"Newark"

Before you go

Brief 39N in Ascent EFB.

Current weather, NOTAMs and the airport diagram for Princeton, in the app on iPhone and iPad.

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Not for navigation. Verify with current FAA charts and the Chart Supplement before flight.

Source: FAA NASR 28-day subscription, cycle effective Oct 29, 2026. Airport data changes every 28 days and NOTAMs can override it at any time.