Green Castle Airport (IA24), Iowa
Landing essentials
Whether you can land, whether you can refuel, and how customs works here.
Overview
Green Castle (IA24) is a privately used airfield near Oxford, Iowa, offering a single paved runway. Business aviation traffic at this field has been minimal, with FAA data showing no bizav operations recorded across the year.
Runways
Green Castle Airport has one paved runway, 15/33, 4,000 ft long and 60 ft wide, with an asphalt and turf surface.
Source: FAA Form 5010.
Fuel and airfield services
Fueling is available from 8am to 5pm, daily, and the airport has no control tower.
Source: FAA Form 5010 / NASR.
Customs
Green Castle Airport does not clear customs. The nearest port of entry is Quad Cities International (KMLI), 58 NM away.
Source: CBP list of ports of entry.
Business aviation traffic
Green Castle Airport recorded 0 business aviation movements in 2025. Snow-day data shows accumulation concentrated in the winter months of January, February, and December, tapering off through the rest of the year.
Business jet movements, FAA TFMSC count. Peak month March, 0 movements in 2025.
Source: FAA TFMSC, business jet movements, 2025.
Climate
Green Castle Airport averages 2.7 snow days in December.
Weather station is 5.6 NM from the field. Some values are estimated by the agency. 1991–2020 climate normals.
Source: NOAA NCEI.
Operating constraints
Green Castle Airport has published operating constraints in two categories: runway notes and other notes.
Runway 15/33 has a 1400-foot turf stopway at the end of runway 33.
For clearance delivery, contact Chicago ARTCC.
Source: FAA Chart Supplement.
Nearby airfields
Green Castle Airport has five airfields within 30 NM. The closest is The Eastern Iowa (KCID), 7.62 NM north.
Source: Skystar calculation from official coordinates.
Skystar at IA24
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.
$600.00 catering order at IA24.
Unchanged.
What the kitchen invoices us is what your quote reads.
One line, fixed.
The $75 minimum applies below $862.50.
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 customs clearance available at Green Castle (IA24)?
Green Castle does not offer onsite customs clearance. The nearest customs facility is KMLI, located approximately 57.56 nautical miles away, so aircraft requiring customs must plan to clear there instead.
What runway does IA24 offer for arriving traffic?
Green Castle (IA24) has a single runway, 15/33, measuring 4000 feet by 60 feet with an asphalt-turf surface. A 1400-foot turf stopway extends beyond the end of runway 33.
What is the annual traffic volume at Green Castle Airport?
Green Castle Airport recorded 70 total annual operations in 2025 according to FAA TFMSC data, with no business aviation operations logged that year. This places the field in the lowest operations tier tracked for this dataset.