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The Pilots Desk
Heliport

OSF St Anthony's Health Center Heliport

ICAO 03IS🇺🇸 Alton
Coordinates
38.9050°N, 90.1734°W
Elevation
580 ft (177 m)
Type
Heliport
Region
US-IL
Time zone
Chicago(UTC-05:00)
Magnetic variation
2.1° W

Daylight today(Jul 16, 2026, local time)

Civil dawn
05:18
Sunrise
05:49
Sunset
20:26
Civil dusk
20:57

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 OSF St Anthony's Health Center Heliport

OSF St Anthony's Health Center Heliport is a heliport in Alton, United States. It sits at an elevation of 580 ft (177 m) and has 1 runway, the longest 40 ft / 12 m with a hard surface. It observes America/Chicago local time. The nearest airport is St Louis Regional Airport (ALN), about 6 nm to the e.

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
H140 ft / 12 m40 ftConcUnlitOpen

Airspace in this area(3)

NameClassTypeFloorCeiling
ST LOUIS CLASS B AREA CClass BControlled2000 ft MSL8000 ft MSL
ST LOUIS CLASS B AREA E EXCLUDES AREA A,B,C AND DClass BControlled3000 ft MSL8000 ft MSL
ST LOUIS CLASS B AREA KClass BControlled5000 ft MSL8000 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 OSF St Anthony's Health Center Heliport.

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 OSF St Anthony's Health Center Heliport located?

OSF St Anthony's Health Center Heliport is heliport located in Alton, United States, at an elevation of 580 ft (177 m).

How many runways does OSF St Anthony's Health Center Heliport have?

OSF St Anthony's Health Center Heliport has 1 runway, the longest being 40 ft / 12 m.

What time zone is OSF St Anthony's Health Center Heliport in?

OSF St Anthony's Health Center Heliport is in the America/Chicago time zone (UTC-05:00).

What is the magnetic variation at OSF St Anthony's Health Center Heliport?

The magnetic variation (declination) at OSF St Anthony's Health Center Heliport is approximately 2.1° W, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.

What airports are near OSF St Anthony's Health Center Heliport?

The nearest airport to OSF St Anthony's Health Center Heliport is St Louis Regional Airport (ALN), about 6 nm to the e, followed by William E. Koenig Airport and Raymond Restricted Landing Area.

Is the information on this page suitable for flight planning?

No. OSF St Anthony's Health Center Heliport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.