1
Runway
0
Frequencies
0
Procedures
0
NOTAMs
Quick Facts
FAA
31IS
Elevation
479 ft MSL
Runways
1
Frequencies
0
Tower
No
Fuel
N/A
Coordinates
40.306, -90.054
Airport Information
Facility Type
HELIPORT
Elevation
479 ft MSL
Control Tower
No
Fuel Types
None listed
ARTCC
KANSAS CITY
Coordinates
40.3062, -90.0545
Ownership
Private
Hours of Operation
Current Weather
METAR KPIA 131954Z 35012G20KT 10SM SCT070 19/03 A3004 RMK AO2 SLP169 T01940033
Flight Category
VFR
Wind
350° at 12 kt G20
Visibility
10+ SM
Temperature
19.4°C
Dewpoint
3.3°C
Altimeter
1017.40 inHg
Cloud Cover
SCT
Nearest weather from KPIA (31 NM away)
Observed 2026-05-13 19:54Z
Runways
| ID | Length | Width | Surface | Lights |
|---|---|---|---|---|
| H1 | 42 ft | 42 ft | CONC | PERI |
Active NOTAMs
No active NOTAMs for 31IS.
Nearby Airports in Illinois
Nearest airports
- 35IL — 7TH HEAVEN
LA MOILLE
- 35IL — 7th Heaven Airport
La Moille
- KSPI — ABRAHAM LINCOLN CAPITAL
SPRINGFIELD
- 70LL — ADAMS NUMBER 1
PONTIAC
- 2LL7 — ADAMS NUMBER 2
PONTIAC
Illinois airports
31IS Operational Overview
Location & Facility
MASON DISTRICT HOSPITAL (31IS) is a privately owned heliport restricted to private use located in HAVANA, Illinois, United States. The field sits at an elevation of 479 feet above mean sea level (MSL) at coordinates 40.3062°N, 90.0545°W.
Helipads
MASON DISTRICT HOSPITAL has 1 helipad. The longest pad (H1) measures 42 feet by 42 feet with a conc surface.
Communications & Operations
MASON DISTRICT HOSPITAL is a non-towered (pilot-controlled) field.
Current Conditions
The current flight category at MASON DISTRICT HOSPITAL is VFR (Visual Flight Rules — good flying conditions). Weather conditions are updated in real-time from official NOAA Aviation Weather Center observations.
Frequently Asked Questions
What is 31IS?
31IS is the ICAO identifier for MASON DISTRICT HOSPITAL, a public-use airport located in HAVANA, Illinois, United States.
How many runways does MASON DISTRICT HOSPITAL have?
MASON DISTRICT HOSPITAL (31IS) has 1 runway. See the runway table above for dimensions and surface types.
What is the elevation of 31IS?
The field elevation of MASON DISTRICT HOSPITAL is 479 feet above mean sea level (MSL).
Is fuel available at 31IS?
No fuel types are currently listed for MASON DISTRICT HOSPITAL. Contact the FBO directly for availability.
What are the current weather conditions at 31IS?
The current flight category at MASON DISTRICT HOSPITAL is VFR. See the METAR section above for full decoded weather data including wind, visibility, temperature, and altimeter.
Are there active NOTAMs at 31IS?
There are currently no active NOTAMs for MASON DISTRICT HOSPITAL.
How do I access complete data for 31IS?
Sign up for a free AeroCopilot account to access all frequencies, full NOTAM text with AI interpretation, decoded forecasts, and IFR procedure charts for MASON DISTRICT HOSPITAL.
Where is MASON DISTRICT HOSPITAL located?
MASON DISTRICT HOSPITAL (31IS) is located in HAVANA, Illinois, United States, at an elevation of 479 ft MSL.