Garden County / King Rhiley Field (KOKS), Nebraska
Landing essentials
Whether you can land, whether you can refuel, and how customs works here.
Overview
KOKS, also known as Garden County / King Rhiley Field, serves Oshkosh, Nebraska with a single paved runway at an elevation of 3,394 feet. The airport is unattended and uncontrolled, with self-service fuel available around the clock, and business aviation traffic remains light and irregular through the year. There is no customs facility onsite; the nearest customs airport of entry is KFNL, roughly 133 nautical miles away, so operators arriving from abroad need to plan a stop there first. Denver ARTCC handles clearance delivery contact for the field.
Runways
Garden County / King Rhiley Field has one paved runway, 12/30, 4,699 ft long and 60 ft wide, with a concrete surface.
Runway geometry from published threshold coordinates. Not for navigation.
Source: FAA Form 5010.
Fuel and airfield services
Garden County / King Rhiley Field has Jet A, Jet A+ and 100LL available on the field. The airport has no control tower.
Source: FAA Form 5010 / NASR.
Customs
Garden County / King Rhiley Field does not clear customs. The nearest port of entry is Northern Colorado Regional (KFNL), 133 NM away.
Source: CBP list of ports of entry.
Business aviation traffic
Garden County / King Rhiley Field recorded 24 business aviation movements in 2025. Traffic peaks in January. Business aviation activity at KOKS is concentrated mainly in January and November, with several months in the FAA TFMSC data showing minimal or no recorded operations.
Business jet movements, FAA TFMSC count. Peak month January, 8 movements in 2025.
Source: FAA TFMSC, business jet movements, 2025.
Climate
Garden County / King Rhiley Field averages 14.6 days above 90°F in July, 30.9 freeze days in January and 2.0 snow days in February. July is the warmest month, with average highs of 88.3°F, and January the coldest, at 39.7°F.
Weather station is on the field. Some values are estimated by the agency. 1991–2020 climate normals.
Source: NOAA NCEI.
Operating constraints
Garden County / King Rhiley Field has published operating constraints in two categories: runway notes and other notes.
MIRL, PAPI, and REIL lighting for runway 12 and 30 are activated via CTAF.
Runway 12 has a clearance slope of 27:1 to the runway threshold due to a tree located 1,586 feet from and 50 feet above the runway end, offset 325 feet to the right.
Runway 30 has a clearance slope of 26:1 to the runway threshold due to a tree located 1,322 feet from and 42 feet above the runway end, offset 245 feet to the left.
For clearance delivery, contact Denver ARTCC.
Self-service fuel is available 24 hours a day through a credit card system.
Source: FAA Chart Supplement.
Nearby airfields
Garden County / King Rhiley Field has five airfields within 43 NM. The closest is Billy G Ray Field (KCNP), 20.08 NM south.
Source: Skystar calculation from official coordinates.
Skystar at KOKS
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 KOKS.
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 KOKS outside normal hours?
Yes, KOKS offers 24-hour self-service fuel through a credit card system, so pilots are not dependent on staffed hours. The field itself is unattended, meaning there is no on-site personnel for handling or services. Both 100LL and Jet A fuel types are available. This makes the airport workable for after-hours transient traffic despite the lack of attendance.
Can international flights clear customs directly at Garden County / King Rhiley Field?
No, Garden County / King Rhiley Field has no customs facility on site. The nearest airport of entry is KFNL, located about 133 nautical miles away. International arrivals need to route through KFNL or another customs airport before continuing to KOKS. This distance should be factored into fuel and routing plans for cross-border trips.
What runway lighting is available at KOKS and how is it activated?
KOKS runway 12/30 has MIRL, PAPI, and REIL lighting, all activated by pilot control over CTAF since the airport is uncontrolled and unattended. There is no tower or on-field personnel to manage lighting manually. Pilots operating at night or in low visibility need to key the radio on the appropriate frequency to bring up the lights before landing.</br>
Are there obstacles to consider on approach at KOKS?
Yes, both runway ends at KOKS have documented obstruction clearance slopes tied to trees near the runway thresholds. Runway 12 has a 27:1 clearance slope due to a tree 1,586 feet from and 50 feet above the runway end, offset 325 feet to the right. Runway 30 has a 26:1 slope from a tree 1,322 feet out and 42 feet above the runway end, offset 245 feet to the left. Pilots should account for these obstacles when planning approach and departure paths.