AirNav: 4WI1 - Bancroft East Airport

4WI1

Bancroft East Airport
Rio, Wisconsin, USA

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FAA INFORMATION EFFECTIVE 06 AUGUST 2026

Location

FAA Identifier:	4WI1
Lat/Long:	43-28-59.9460N 089-11-00.4120W 43-28.999100N 089-11.006867W 43.4833183,-89.1834478 (estimated)
Elevation:	840 ft. / 256 m (estimated)
Variation:	00E (1985)
From city:	1 mile E of RIO, WI
Time zone:	UTC -5 (UTC -6 during Standard Time)
Zip code:	53960

Airport Operations

Airport use:	Private use. Permission required prior to landing
Activation date:	07/1989
Control tower:	no
ARTCC:	CHICAGO CENTER
FSS:	GREEN BAY FLIGHT SERVICE STATION
Attendance:	UNATNDD
Wind indicator:	yes
Segmented circle:	no

Nearby radio navigation aids

VOR radial/distance		VOR name		Freq		Var
MSNr016/21.4		MADISON VORTAC		108.60		03E
DLLr096/25.6		DELLS VORTAC		117.00		03E

NDB name		Hdg/Dist		Freq		Var		ID
ROCK RIVER		314/27.3		371		01W		RYV	.-. -.-- ...-

Airport Services

Runway Information

Runway 6/24

Dimensions:	2600 x 70 ft. / 792 x 21 m
Surface:	turf
	RUNWAY 6	RUNWAY 24
Traffic pattern:	left	left
Obstructions:	pline, 625 ft. from runway	none

Airport Ownership and Management from official FAA records

Ownership:	Privately-owned
Owner:	DAVID BANCROFT W3798 OLD B RD. RIO, WI 53960 Phone (920) 319-2009
Manager:	M. JAMES BANCROFT W3758 OLD B RD. RIO, WI 53960 Phone 920-348-5738

Additional Remarks

-	FOR CD CTC CHICAGO ARTCC AT 630-906-8921.

Instrument Procedures

There are no published instrument procedures at 4WI1.

Some nearby airports with instrument procedures:

C47 - Portage Municipal Airport (14 nm W)
KUNU - Dodge County Airport (21 nm E)
KMSN - Dane County Regional Airport-Truax Field (22 nm S)
87Y - Blackhawk Airfield (23 nm S)
KDLL - Baraboo/Wisconsin Dells Regional Airport (26 nm W)

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Area around 4WI1 (Bancroft East Airport)

Road maps at: MapQuest Bing Google

Aerial photo

Sectional chart

Airport distance calculator
Flying to Bancroft East Airport? Find the distance to fly. From to 4WI1

Sunrise and sunset

Times for 14-Aug-2026

	Local (UTC-5)	Zulu (UTC)
Morning civil twilight	05:30	10:30
Sunrise	06:01	11:01
Sunset	20:01	01:01
Evening civil twilight	20:32	01:32

Current date and time

Zulu (UTC)	14-Aug-2026 17:29:51
Local (UTC-5)	14-Aug-2026 12:29:51

METAR

KUNU 21nm E	141715Z AUTO 09009KT 10SM 25/20 A3015 RMK AO2 T02500200 TSNO
KMSN 22nm S	141653Z 07015KT 10SM SCT022 BKN250 26/20 A3010 RMK AO2 SLP188 T02560200
KDLL 26nm W	141715Z AUTO 06010G16KT 10SM BKN019 SCT065 23/20 A3011 RMK AO2 T02330196
KC29 27nm SW	141715Z AUTO 08014G19KT 10SM SCT019 26/19 A3009 RMK AO1 T02550187
KRYV 28nm SE	141715Z AUTO 09010KT 10SM BKN024 BKN030 25/20 A3012 RMK AO2 T02510202
KY50 34nm N	141656Z AUTO RMK AO2 SLPNO PWINO FZRANO $
KFLD 35nm NE	141653Z AUTO 09009KT 10SM CLR 26/17 A3015 RMK AO2 SLP206 T02560167
KC35 35nm W	141710Z AUTO 07007KT 10SM OVC016 25/21 A3010 RMK AO2 T02460214 PWINO
KOSH 40nm NE	141653Z 07008KT 10SM CLR 25/15 A3015 RMK AO2 SLP199 T02500150

TAF

KMSN
22nm S

141317Z 1413/1512 07008KT 4SM BR BKN006 OVC010 FM141400 08010KT P6SM SCT017 BKN050 FM150100 09007KT P6SM BKN080 PROB30 1503/1507 5SM -SHRA OVC025 FM150700 10005KT 6SM -SHRA BKN018 OVC028 PROB30 1508/1512 4SM -TSRA OVC015CB

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