Princeton Municipal (KPNN), Maine
Landing essentials
Whether you can land, whether you can refuel, and how customs works here.
Overview
Princeton Municipal (KPNN) is an unattended public airport in eastern Maine, roughly 92 nautical miles from the nearest metro area. Business aviation traffic is light, drawn mainly from the FAA TFMSC-tracked crossing activity typical of this border region.
Runways
Princeton Municipal has two paved runways. The longest, 15/33, is 4,007 ft long and 75 ft wide, with an asphalt surface.
Runway geometry from published threshold coordinates. Not for navigation.
Runways are listed longest first.
Source: FAA Form 5010.
Fuel and airfield services
Princeton Municipal has 100LL available on the field. The airport has no control tower.
Source: FAA Form 5010 / NASR.
Customs
Princeton Municipal has US Customs and Border Protection clearance available onsite, with general clearance for international arrivals.
Source: CBP list of ports of entry.
Business aviation traffic
Princeton Municipal recorded 100 business aviation movements in 2025. Traffic peaks in June. Business aviation traffic at KPNN concentrates in June, which recorded 21 operations against a monthly average closer to single digits the rest of the year.
Business jet movements, FAA TFMSC count. Peak month June, 21 movements in 2025.
Source: FAA TFMSC, business jet movements, 2025.
Climate
Princeton Municipal averages 3.2 days above 90°F in July and 30.0 freeze days in January. July is the warmest month, with average highs of 80.0°F, and January the coldest, at 28.3°F.
Weather station is 7.5 NM from the field. Some values are estimated by the agency. 1991–2020 climate normals.
Source: NOAA NCEI.
Operating constraints
Princeton Municipal has published operating constraints in four categories: access, runway notes, environmental and other notes.
Trees 20-35 feet tall stand 20 feet from the threshold, spanning 125 feet left and right across the approach.
PAPI for Runway 15 must be activated manually; Runway 15/33 has medium intensity runway lights (MIRL) controlled via CTAF.
This runway is closed indefinitely because the pavement is unusable.
Brush lies 100-200 feet left and 75-170 feet right of the runway.
Runway 06/24 is marked with yellow closure markings at both ends and at midfield; displaced threshold markings are not visible.
The displaced threshold is no longer visible.
Wildlife is present on and in the vicinity of the airport.
Fuel is available 24 hours with major credit card.
For clearance delivery, contact Boston ARTCC.
Source: FAA Chart Supplement.
Nearby airfields
Princeton Municipal has three airfields within 50 NM. The closest is Eastport Municipal (KEPM), 29.19 NM southeast.
Source: Skystar calculation from official coordinates.
Skystar at KPNN
We arrange catering, fuel and trip support here. Supplier prices reach you unchanged; our coordination fee sits on its own line.
The same order, priced two ways.
$600.00 catering order at KPNN.
Unchanged.
What the kitchen invoices us is what your quote reads.
One line, fixed.
The $75 minimum applies below $862.50.
At cost.
Passed on at the exact amount the processor took.
Market practice figures are industry averages, not a specific competitor.
Frequently asked questions
Is Jet A fuel available at KPNN?
No. Princeton Municipal (KPNN) stocks 100LL only, with no Jet A on the field. Fuel is listed as available 24 hours with major credit card, though the airport itself is unattended.
Are both runways usable at Princeton Municipal?
No. Runway 15/33 is 4,007 feet and open, but Runway 06/24 is closed indefinitely due to unusable pavement and marked with yellow closure markings at both ends and midfield. Displaced threshold markings on 06/24 are also no longer visible.
Can international flights clear customs at KPNN?
Yes. Princeton Municipal lists CBP inspection services available onsite, distinct from many nearby Maine strips that require routing to another customs airport. Coordination for clearance should still be arranged in advance of arrival.