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The Pilots Desk
Small airport

Thompson Airport

ICAO 9IL4🇺🇸 Steward
Coordinates
41.8072°N, 89.0481°W
Elevation
790 ft (241 m)
Type
Small airport
Region
US-IL
Time zone
Chicago(UTC-05:00)
Magnetic variation
3.1° W

Daylight today(Jul 19, 2026, local time)

Civil dawn
05:06
Sunrise
05:38
Sunset
20:28
Civil dusk
21:01

About 14h 49m 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 Thompson Airport

Thompson Airport is a small airport in Steward, United States. It sits at an elevation of 790 ft (241 m) and has 1 runway, the longest 1,385 ft / 422 m. It observes America/Chicago local time. The nearest airport is Durin RLA Airport (US-0578), about 1.5 nm to the sse.

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
18 / 361,385 ft / 422 m100 ftTurfUnlitOpen

Tall obstacles nearby

ObstacleHeight AGLTop (MSL)Lit
Obstacle935 ft
Obstacle873 ft
Obstacle883 ft
Obstacle873 ft
Obstacle840 ft
Obstacle886 ft
Obstacle873 ft
Obstacle866 ft

Tallest obstacles within ~10 nm. Data via OpenAIP. Reference only — consult official charts.

Nearby airports

Great-circle distance and true bearing from Thompson Airport.

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 Thompson Airport located?

Thompson Airport is small airport located in Steward, United States, at an elevation of 790 ft (241 m).

How many runways does Thompson Airport have?

Thompson Airport has 1 runway, the longest being 1,385 ft / 422 m.

What time zone is Thompson Airport in?

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

What is the magnetic variation at Thompson Airport?

The magnetic variation (declination) at Thompson Airport is approximately 3.1° W, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.

What airports are near Thompson Airport?

The nearest airport to Thompson Airport is Durin RLA Airport (US-0578), about 1.5 nm to the sse, followed by Ranken Airport and Staton Airport.

Is the information on this page suitable for flight planning?

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