1
Runway
0
Frequencies
0
Procedures
0
NOTAMs
Quick Facts
FAA
4WI1
Elevation
840 ft MSL
Runways
1
Frequencies
0
Tower
No
Fuel
N/A
Coordinates
43.483, -89.183
Airport Information
Facility Type
AIRPORT
Elevation
840 ft MSL
Control Tower
No
Fuel Types
None listed
ARTCC
CHICAGO
Coordinates
43.4833, -89.1834
Ownership
Private
Hours of Operation
Current Weather
METAR KMSN 202153Z 31005G14KT 10SM SCT060 24/11 A2994 RMK AO2 SLP135 T02390106 $
Flight Category
VFR
Wind
310° at 5 kt G14
Visibility
10+ SM
Temperature
23.9°C
Dewpoint
10.6°C
Altimeter
1014.00 inHg
Cloud Cover
SCT
Nearest weather from KMSN (23 NM away)
Observed 2026-06-20 21:53Z
Runways
| ID | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 06/24 | 2,600 ft | 70 ft | TURF | - |
Active NOTAMs
No active NOTAMs for 4WI1.
Nearby Airports in Wisconsin
67WI
ACCURATE
NECEDAH — 890 ft
67WI
ACCURATE
NECEDAH — 890 ft
K63C
ADAMS COUNTY LEGION FLD
FRIENDSHIP (ADAMS) — 979.2 ft
63C
ADAMS COUNTY LEGION FLD
FRIENDSHIP (ADAMS) — 979.2 ft
1WI6
AERO ESTATES
RAYMOND TOWNSHIP — 825 ft
1WI6
AERO ESTATES
RAYMOND TOWNSHIP — 825 ft
WI69
AIR TROY ESTATES
EAST TROY — 820 ft
WI69
Air Troy Estates Restricted Airport
East Troy — 820 ft
Nearest airports
- 67WI — ACCURATE
NECEDAH
- 67WI — ACCURATE
NECEDAH
- K63C — ADAMS COUNTY LEGION FLD
FRIENDSHIP (ADAMS)
- 63C — ADAMS COUNTY LEGION FLD
FRIENDSHIP (ADAMS)
- 1WI6 — AERO ESTATES
RAYMOND TOWNSHIP
Wisconsin airports
4WI1 Operational Overview
Location & Facility
BANCROFT EAST (4WI1) is a privately owned airport restricted to private use located in RIO, Wisconsin, United States. The field sits at an elevation of 840 feet above mean sea level (MSL) at coordinates 43.4833°N, 89.1834°W.
Runways
BANCROFT EAST has 1 runway. The longest runway (06/24) measures 2,600 feet by 70 feet with a turf surface.
Communications & Operations
BANCROFT EAST is a non-towered (pilot-controlled) field.
Current Conditions
The current flight category at BANCROFT EAST 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 4WI1?
4WI1 is the ICAO identifier for BANCROFT EAST, a public-use airport located in RIO, Wisconsin, United States.
How many runways does BANCROFT EAST have?
BANCROFT EAST (4WI1) has 1 runway. See the runway table above for dimensions and surface types.
What is the elevation of 4WI1?
The field elevation of BANCROFT EAST is 840 feet above mean sea level (MSL).
Is fuel available at 4WI1?
No fuel types are currently listed for BANCROFT EAST. Contact the FBO directly for availability.
What are the current weather conditions at 4WI1?
The current flight category at BANCROFT EAST is VFR. See the METAR section above for full decoded weather data including wind, visibility, temperature, and altimeter.
Are there active NOTAMs at 4WI1?
There are currently no active NOTAMs for BANCROFT EAST.
How do I access complete data for 4WI1?
Sign up for a free AeroCopilot account to access all frequencies, full NOTAM text with AI interpretation, decoded forecasts, and IFR procedure charts for BANCROFT EAST.
Where is BANCROFT EAST located?
BANCROFT EAST (4WI1) is located in RIO, Wisconsin, United States, at an elevation of 840 ft MSL.