Sidney Municipal (N23), New York
Landing essentials
Whether you can land, whether you can refuel, and how customs works here.
Overview
Sidney Municipal Airport (N23), serving Sidney, New York, is a non-towered, publicly owned field surrounded by hills rising as much as 800 feet above field elevation. The single asphalt runway, 07/25, spans 4,201 feet, and the airport offers both 100LL and Jet A fuel during its attended hours. CBP inspection services are available onsite, giving the field customs capability despite its modest annual traffic. According to FAA TFMSC data, 2025 activity totaled 84 operations, 56 of them business aviation, placing Sidney Municipal in the moderate-traffic tier among airports Skystar tracks.
Runways
Sidney Municipal has one paved runway, 07/25, 4,201 ft long and 75 ft wide, with an asphalt surface.
Source: FAA Form 5010.
Fuel and airfield services
Sidney Municipal has Jet A and 100LL available on the field. Fueling is available from 8am to 5pm, daily, and the airport has no control tower.
Source: FAA Form 5010 / NASR.
Customs
Sidney 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
Sidney Municipal recorded 56 business aviation movements in 2025. Traffic peaks in July. Business aviation traffic at Sidney Muni is heavily concentrated in July, according to FAA TFMSC data for 2025, with that month recording far more operations than any other.
Business jet movements, FAA TFMSC count. Peak month July, 21 movements in 2025.
Source: FAA TFMSC, business jet movements, 2025.
Climate
Sidney Municipal averages 8.8 snow days in January.
Weather station is 5.1 NM from the field. Some values are estimated by the agency. 1991–2020 climate normals.
Source: NOAA NCEI.
Operating constraints
Sidney Municipal has published operating constraints in three categories: access, runway notes and other notes.
High tension lines are located more than 1 mile from the approach end of runway 07.
MIRL for runway 07/25 and REIL for runways 07 and 25 are pilot-activated via CTAF.
Runway 25 has numerous trees 28 to 80 feet tall, 300 feet right of centerline, extending to 1,500 feet from the threshold.
Two-foot-high cement fixtures are present in ditches within the primary surface, 130 feet west of the runway.
A fence 7 feet above the runway end is located 325 feet right of centerline.
Numerous hills surround the airport, rising up to 800 feet above airport elevation.
For clearance delivery, contact Boston ARTCC.
This is a cold temperature airport; altitude correction is required at or below -20°C.
Source: FAA Chart Supplement.
Nearby airfields
Sidney Municipal has five airfields within 37 NM. The closest is Lt Warren Eaton (KOIC), 16.56 NM north.
Part of the Upstate New York area.
Source: Skystar calculation from official coordinates.
Skystar at N23
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 N23.
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 service at Sidney Municipal (N23)?
Sidney Municipal, identified as N23, has CBP inspection services available onsite. This means arriving international flights can clear customs directly at the airport rather than diverting to another facility. Dispatchers should still confirm current CBP staffing and any advance notice requirements before planning an international arrival here, since availability details beyond onsite service are not published in this record.
What fuel is available at N23 Sidney Municipal?
Sidney Municipal Airport (N23) stocks both 100LL avgas and Jet A fuel. The field is attended daily from 0800 to 1700 local time, which is the window during which fuel service can reliably be arranged. Outside those hours, crews should plan for the possibility of no attended fuel service.
What is the runway configuration at Sidney Municipal?
Sidney Municipal Airport, N23, has a single paved runway, 07/25, measuring 4,201 feet long and 75 feet wide with an asphalt surface. There is no control tower on the field, so operations are conducted under CTAF procedures. Runway lighting, including MIRL on 07/25 and REIL on both runway ends, is pilot-activated via CTAF rather than continuously on.
Does traffic at Sidney Municipal vary by season?
Yes, business aviation traffic at Sidney Municipal (N23) is concentrated in a narrow window rather than spread evenly across the year. FAA TFMSC data for 2025 shows July alone accounting for 21 of the annual business aviation operations, far above any other month. Dispatchers planning summer trips into N23 should expect this month to carry noticeably higher volume than the rest of the year.