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The Pilots Desk
Small airport

Williams Airpark

ICAO 30LL🇺🇸 Chapin
Coordinates
39.7542°N, 90.3654°W
Elevation
614 ft (187 m)
Type
Small airport
Region
US-IL
Time zone
Chicago(UTC-05:00)
Magnetic variation
2° W

Daylight today(Jul 19, 2026, local time)

Civil dawn
05:18
Sunrise
05:50
Sunset
20:27
Civil dusk
20:58

About 14h 37m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.

About Williams Airpark

Williams Airpark is a small airport in Chapin, United States. It sits at an elevation of 614 ft (187 m) and has 1 runway, the longest 1,960 ft / 597 m. It observes America/Chicago local time. The nearest airport is Jacksonville Municipal Airport (IJX), about 6 nm to the ene.

Summary generated from this airport’s structured data — reference only.

Map

Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.

Runways (1)

RunwayLengthWidthSurfaceLightingStatus
E / W1,960 ft / 597 m80 ftTurfUnlitOpen

Airspace in this area(1)

NameClassTypeFloorCeiling
PRUITT A 0900-1200 & 1300-1600 SUN-SAT & BY NOTAMSpecial useDanger500 ft GND6000 ft MSL

Approximate bounding-box match from OpenAIP · all United States airspace. Reference only — consult official charts for exact boundaries and status.

Nearby airports

Great-circle distance and true bearing from Williams Airpark.

Live tracking (FR24) Open in Maps
🇺🇸 More airports in United States📘 Flying in the United States: a pilot's guide

Frequently asked questions

Where is Williams Airpark located?

Williams Airpark is small airport located in Chapin, United States, at an elevation of 614 ft (187 m).

How many runways does Williams Airpark have?

Williams Airpark has 1 runway, the longest being 1,960 ft / 597 m.

What time zone is Williams Airpark in?

Williams Airpark is in the America/Chicago time zone (UTC-05:00).

What is the magnetic variation at Williams Airpark?

The magnetic variation (declination) at Williams Airpark is approximately 2° W, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.

What airports are near Williams Airpark?

The nearest airport to Williams Airpark is Jacksonville Municipal Airport (IJX), about 6 nm to the ene, followed by Kinsey Airport and Krohe Airport.

Is the information on this page suitable for flight planning?

No. Williams Airpark data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.