Mason District Hospital HeliportPrivate
31IS · Havana, IL · Non-towered · Open on the map
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Weather
METAR observed
TAF forecast
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Sun & FAA night2026-09-21 · night begins 07:27 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:19 AM | 11:19Z |
| Sunrise | 06:47 AM | 11:47Z |
| Sunset | 06:59 PM | 23:59Z |
| Evening civil twilight Loggable night begins | 07:27 PM | 00:27Z |
Plan a flight from 31IS
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
NOTAMs · Loading NOTAMs…
Pilot reports · Loading PIREPs…
Airspace hazards · Checking SIGMETs and G-AIRMETs…
Temporary flight restrictions · Checking for TFRs…
Runways
| Runway | Length | Your margin |
|---|---|---|
| H1/ | 42 ft |
Prefer one flat page? Full runway details for 31IS → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 31IS kneeboard →
Comms & NavAids
Nearby navigation aids
PIA 115.20 · SPI 112.70
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| PIA · Peoria | VORTAC | 115.20 · 99X | Low | r204° / 25.4 NM |
| SPI · Spinner | VORTAC | 112.70 · 74X | High | r329° / 32.9 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for 31IS — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- 31IS
- Coordinates
- 40.3062, -90.0545
- Elevation
- 479 ft MSL
- Magnetic variation
- 1W
- Sectional chart
- CHICAGO
- Airport use
- Private
- Control tower
- No
- ARTCC
- KANSAS CITY (ZKC)
- Flight service (FSS)
- KANKAKEE · 1-800-WX-BRIEF
- NOTAM facility
- FDC
- Attendance
- ALL ALL
- Beacon
- white-green-yellow (SEE RMK)
- Segmented circle
- No
- Wind indicator
- lighted
- Activated
- 1987/02
- Distance from city
- 0 N
Night operations
- Rotating beacon
- white-green-yellow · SEE RMK
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Ownership & management 2 contacts
Remarks FAA · 4 notes
General
- FOR CD CTC ST LOUIS APCH AT 314-890-1017.
Lighting
- 24 HRS
- FLOOD LGTS.
Obstructions
- NUMEROUS OBSTRUCTIONS ALL QUADRANTS.
Nearby airports
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Also nearby: 34IL G Bray (private) (4 NM) · 9I0 Havana Regional (5 NM) · IS08 Curless (private) (9 NM) · 97IL Graham Hospital (private) (15 NM) · IL90 Canton Correctional Center (private) (15 NM) · IL49 Desutter Farm (private) (16 NM)
About 31IS
Mason District Hospital (31IS) is a heliport in Havana, IL, at 479 ft MSL. It has 1 runway, the longest 42 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 31IS, refreshed from the Aviation Weather Center and FAA NASR.
Does 31IS have a control tower?
No. Mason District Hospital is a non-towered (pilot-controlled) heliport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at 31IS?
Mason District Hospital has 1 runway; the longest is 42 ft. See the Runways section for headings, surface, and lighting.
Where is 31IS?
Mason District Hospital is in Havana, IL, at an elevation of 479 ft MSL. Coordinates: 40.3062, -90.0545.
More about 31IS
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open 31IS in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.
Something here wrong or out of date? Report a data problem.