Oscoda / Wurtsmith Airport (KOSC), Michigan
Landing essentials
Whether you can land, whether you can refuel, and how customs works here.
Overview
KOSC, Oscoda / Wurtsmith Airport, sits in Oscoda, Michigan, and offers one of the longest paved runways in the state at 11,801 feet. The field is untowered and operates on a part-time attendance schedule, staffed weekdays and on call over weekends, which shapes how crews should plan fuel and ground handling. Jet A, 100LL, and A+ fuel are available, and the airport's former military-scale infrastructure, including a wide runway and taxiway system, remains a notable feature for business aviation traffic passing through this part of northern Michigan.
Runways
Oscoda / Wurtsmith Airport has one paved runway, 07/25, 11,801 ft long and 200 ft wide, with an asphalt surface.
Runway geometry from published threshold coordinates. Not for navigation.
Source: FAA Form 5010.
Fuel and airfield services
Oscoda / Wurtsmith Airport has Jet A+ and 100LL available on the field. The airport has no control tower.
Source: FAA Form 5010 / NASR.
Customs
Oscoda / Wurtsmith Airport does not clear customs. The nearest port of entry is 3CM, 58 NM away.
Source: CBP list of ports of entry.
Business aviation traffic
Oscoda / Wurtsmith Airport recorded 214 business aviation movements in 2025. Traffic peaks in July. Business aviation traffic at KOSC peaks in July, with June showing the lowest monthly volume of the year.
Business jet movements, FAA TFMSC count. Peak month July, 31 movements in 2025.
Source: FAA TFMSC, business jet movements, 2025.
Climate
Oscoda / Wurtsmith Airport averages 2.3 days above 90°F in July, 29.7 freeze days in January and 4.2 snow days in January. July is the warmest month, with average highs of 80.2°F, and January the coldest, at 29.7°F.
Weather station is 11.1 NM from the field. Some values are estimated by the agency. 1991–2020 climate normals.
Source: NOAA NCEI.
Operating constraints
Oscoda / Wurtsmith Airport has published operating constraints in four categories: access, runway notes, environmental and other notes.
During daylight hours, simultaneous tailwind conditions may exist over the approach end of runway 07 and runway 25.
Activate MALSR for runway 25; REIL for runway 07; PAPI for runway 07 and 25; and HIRL for runway 07/25, all via CTAF.
Deer and large birds are present on and in the vicinity of the airport.
Transient aircraft should follow the blue centerline on taxiway A and taxiway D to locate the airport terminal, fuel, and parking.
Possible jet blast on taxiway A in the vicinity of the restricted parking apron and east ramp.
Possible severe turbulence over the two jet engine test buildings.
Terminal building and parking lot gate access: press V, then III and II simultaneously, then I.
For clearance delivery, contact Minneapolis ARTCC.
Source: FAA Chart Supplement.
Nearby airfields
Oscoda / Wurtsmith Airport has five airfields within 44 NM. The closest is Iosco County, 8.41 NM south.
Source: Skystar calculation from official coordinates.
Skystar at KOSC
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 KOSC.
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
What is the runway length available at KOSC?
KOSC, Oscoda / Wurtsmith Airport, has a single paved runway, 07/25, measuring 11,801 feet long and 200 feet wide with an asphalt surface. This length matches the airport's published maximum paved distance, making it suitable for larger business aircraft. No other runways are listed for the field.
Is the airport at Oscoda / Wurtsmith staffed around the clock?
Oscoda / Wurtsmith Airport (KOSC) is attended Monday through Friday from 0800 to 1700, with weekend coverage provided on call rather than on a fixed schedule. Crews arriving outside these windows, particularly on Saturday or Sunday, should plan for on-call rather than guaranteed attendance. The field is untowered, so radio procedures follow CTAF at all times.
Where is the nearest customs clearance point to KOSC?
The nearest customs facility to KOSC, Oscoda / Wurtsmith Airport, is located at 3CM, approximately 58.47 nautical miles away. KOSC itself has no onsite customs processing indicated in airport data. Operators requiring customs clearance should route through 3CM and plan ground or air transport accordingly.
What lighting is available for arrivals at Oscoda / Wurtsmith Airport?
Oscoda / Wurtsmith Airport (KOSC) provides MALSR on runway 25, REIL on runway 07, PAPI on both runway 07 and runway 25, and HIRL covering the full 07/25 runway. All of these lighting systems are activated via CTAF rather than a control tower, consistent with the field's untowered status.