Belfast Municipal (KBST), Maine
Landing essentials
Whether you can land, whether you can refuel, and how customs works here.
Overview
Belfast Municipal Airport (KBST) serves the Belfast, Maine area with a single paved runway and irregular attendance, making it a general aviation field best suited to light business traffic and local operations. Situated roughly 22 nautical miles from the nearest metro area, the airport sits within reach of several regional neighbors including Bangor International and Knox County Regional. Business aviation activity here is modest, consistent with its designation as a Tier 2 traffic facility, and operators should plan around its unattended status and seasonal service variations.
Runways
Belfast Municipal has one paved runway, 15/33, 4,000 ft long and 100 ft wide, with an asphalt surface.
Runway geometry from published threshold coordinates. Not for navigation.
Source: FAA Form 5010.
Fuel and airfield services
Belfast Municipal has Jet A+ and 100LL available on the field. The airport has no control tower.
Source: FAA Form 5010 / NASR.
Customs
Belfast Municipal does not clear customs. The nearest port of entry is Bangor International (KBGR), 25 NM away.
Source: CBP list of ports of entry.
Business aviation traffic
Belfast Municipal recorded 156 business aviation movements in 2025. Traffic peaks in July. Business aviation traffic at Belfast Municipal Airport is concentrated in the summer months, peaking in July.
Business jet movements, FAA TFMSC count. Peak month July, 30 movements in 2025.
Source: FAA TFMSC, business jet movements, 2025.
Climate
Belfast Municipal averages 0.7 days above 90°F in July, 30.3 freeze days in January and 4.7 snow days in January. July is the warmest month, with average highs of 77.0°F, and January the coldest, at 29.5°F.
Weather station is on the field. Some values are estimated by the agency. 1991–2020 climate normals.
Source: NOAA NCEI.
Operating constraints
Belfast Municipal has published operating constraints in four categories: access, runway notes, environmental and other notes.
For clearance delivery, contact Bangor Approach.
Pilot-activated REIL for Runway 15 and 33, and MIRL for Runway 15/33, on CTAF.
80-foot-tall obstruction lights are positioned along both sides of the primary surface at the edge of the tree line.
An 800 by 30 foot parallel turf landing area lies east of the runway and north of Taxiway B, available for winter use.
Deer and birds are present on and in the vicinity of the airport.
AWOS is available; click CTAF twice to activate.
Surface conditions are reported daily from 1400 to 2200Z, December through March.
FAA weather camera information is available online for this location.
Landing fee is waived with a fuel purchase; contact the airport manager.
Source: FAA Chart Supplement.
Nearby airfields
Belfast Municipal has five airfields within 28 NM. The closest is Islesboro, 7.75 NM southeast.
Part of the Maine and New Hampshire area.
Source: Skystar calculation from official coordinates.
Skystar at KBST
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.
$1,200.00 catering order at KBST.
Unchanged.
What the kitchen invoices us is what your quote reads.
One line, fixed.
It does not move with the size of the order.
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 there customs clearance available at KBST?
Belfast Municipal Airport (KBST) does not have customs service onsite. The nearest customs airport is Bangor International (KBGR), located approximately 25 nautical miles away. Operators requiring customs clearance should plan to route through KBGR instead of Belfast Municipal. This should factor into trip planning for any international arrival.
What fuel is available at Belfast Municipal Airport?
Belfast Municipal Airport (KBST) offers 100LL and A+ fuel, and jet fuel is also available on the field. The airport operates under an irregular attendance schedule, so fuel service is not guaranteed to be staffed at all hours. Pilots should confirm availability ahead of arrival given the irregular schedule. KBST's single runway supports aircraft up to its published dimensions for any fuel stop.
What is the runway configuration at KBST?
KBST has a single paved runway, 15/33, measuring 4,000 feet long and 100 feet wide with an asphalt surface. There is no parallel taxiway lighting system beyond the standard MIRL setup noted for this runway. Belfast Municipal Airport is unattended for tower service, and pilots use CTAF for traffic coordination. The runway length sets the practical limit for larger business aircraft operating into Belfast Municipal.
When is business aviation traffic highest at Belfast Municipal Airport?
Business aviation traffic at Belfast Municipal Airport (KBST) peaks in July, with 30 operations recorded in 2025 according to FAA TFMSC data, followed by August with 21. Winter months see much lower activity, with February and March recording only 2 and 3 operations respectively. This pattern reflects a strong seasonal concentration in the summer months. Dispatchers should anticipate lighter facility use outside the July-August window.