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The Pilots Desk
Small airport

John L Coppernoll Airport

ICAO 4LL3🇺🇸 Stockton
Coordinates
42.3083°N, 89.9835°W
Elevation
930 ft (283 m)
Type
Small airport
Region
US-IL
Time zone
Chicago(UTC-05:00)
Magnetic variation
2.5° W

Daylight today(Jul 17, 2026, local time)

Civil dawn
05:06
Sunrise
05:39
Sunset
20:34
Civil dusk
21:08

About 14h 56m 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 John L Coppernoll Airport

John L Coppernoll Airport is a small airport in Stockton, United States. It sits at an elevation of 930 ft (283 m) and has 1 runway, the longest 2,000 ft / 610 m. It observes America/Chicago local time. The nearest airport is Stockton Airport (IS37), about 1 nm to the nnw.

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
N / S2,000 ft / 610 m100 ftTurfUnlitOpen

Tall obstacles nearby

ObstacleHeight AGLTop (MSL)Lit
Obstacle961 ft
Obstacle1,004 ft
Obstacle991 ft
Obstacle1,001 ft
Obstacle1,007 ft
Obstacle988 ft
Obstacle994 ft
Obstacle984 ft

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

Nearby airports

Great-circle distance and true bearing from John L Coppernoll 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 John L Coppernoll Airport located?

John L Coppernoll Airport is small airport located in Stockton, United States, at an elevation of 930 ft (283 m).

How many runways does John L Coppernoll Airport have?

John L Coppernoll Airport has 1 runway, the longest being 2,000 ft / 610 m.

What time zone is John L Coppernoll Airport in?

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

What is the magnetic variation at John L Coppernoll Airport?

The magnetic variation (declination) at John L Coppernoll Airport is approximately 2.5° W, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.

What airports are near John L Coppernoll Airport?

The nearest airport to John L Coppernoll Airport is Stockton Airport (IS37), about 1 nm to the nnw, followed by Providence Place Field and Bud Pierce Memorial Airport.

Is the information on this page suitable for flight planning?

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