Mount Sterling Municipal (I63), Illinois
Landing essentials
Whether you can land, whether you can refuel, and how customs works here.
Overview
Mount Sterling Municipal (I63) is a public-use general aviation airport in Mount Sterling, Illinois, served by a single paved runway and operating without a control tower or continuous staffing. Business aviation activity is light and irregular, consistent with a facility that primarily supports local and regional traffic rather than scheduled operations. Customs clearance is not available onsite, with the nearest customs airport located at KPIA. Dispatchers planning into I63 should account for its unattended attendance schedule and pilot-controlled lighting when sequencing arrivals.
Runways
Mount Sterling Municipal has one paved runway, 18/36, 5,905 ft long and 75 ft wide, with an asphalt surface.
Source: FAA Form 5010.
Fuel and airfield services
Mount Sterling Municipal has Jet A and 100LL available on the field. The airport has no control tower.
Source: FAA Form 5010 / NASR.
Customs
Mount Sterling Municipal does not clear customs. The nearest port of entry is General Downing - Peoria International (KPIA), 65 NM away.
Source: CBP list of ports of entry.
Business aviation traffic
Mount Sterling Municipal recorded 149 business aviation movements in 2025. Traffic peaks in October and November. Business aviation traffic at I63 peaks in October and November while dropping to its lowest levels in December and February, based on FAA TFMSC data.
Business jet movements, FAA TFMSC count. Peak month October, 21 movements in 2025.
Source: FAA TFMSC, business jet movements, 2025.
Climate
Mount Sterling Municipal averages 2.3 snow days in January.
Weather station is 2.4 NM from the field. Some values are estimated by the agency. 1991–2020 climate normals.
Source: NOAA NCEI.
Operating constraints
Mount Sterling Municipal has published operating constraints in two categories: runway notes and other notes.
Runway 18/36 medium intensity runway lighting and PAPI on both Runway 18 and Runway 36 are pilot-activated via CTAF.
For clearance delivery, contact Kansas City Air Route Traffic Control Center.
Fuel is now available to the public on a self-service basis.
Source: FAA Chart Supplement.
Nearby airfields
Mount Sterling Municipal has five airfields within 33 NM. The closest is Quincy Regional-Baldwin Field (KUIN), 18.05 NM west.
Source: Skystar calculation from official coordinates.
Skystar at I63
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 I63.
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 fuel available at Mount Sterling Municipal (I63)?
Yes, Mount Sterling Municipal offers both 100LL and Jet A fuel on a self-service basis, and it is now available to the public according to airport remarks. There is no attendant on a continuous schedule, so pilots should plan for self-service fueling. Confirm availability directly before arrival given the airport's irregular attendance schedule.
Does KI63 have customs clearance onsite?
Mount Sterling Municipal does not have customs clearance onsite. The nearest customs airport is KPIA, located approximately 65 nautical miles away. Operators requiring customs processing should plan a stop at that facility rather than expecting clearance at Mount Sterling Municipal itself.
What is the runway length at Mount Sterling Municipal?
Mount Sterling Municipal has a single paved runway, 18/36, measuring 5,905 feet long and 75 feet wide with an asphalt surface. This is also the airport's longest paved surface, matching the field's max paved length figure. The runway lighting, MIRL on 18/36 and PAPI on both ends, is pilot-activated via CTAF since the field is not towered.
How busy is Mount Sterling Municipal Airport with business aviation traffic?
Mount Sterling Municipal recorded 149 business aviation operations against 180 total annual operations in 2025, according to FAA TFMSC data, placing it in a moderate traffic tier. Monthly activity varies notably, with October and November showing the highest counts and December the lowest. This pattern suggests dispatchers should expect variable, rather than steady, business aviation demand throughout the year.