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20WI Harju Airport
Redgranite, Wisconsin, USA

GOING TO REDGRANITE?

FAA INFORMATION EFFECTIVE 22 JANUARY 2026

Location

FAA Identifier: 20WI
Lat/Long: 44-01-16.9260N 089-04-45.4210W
44-01.282100N 089-04.757017W
44.0213683,-89.0792836
(estimated)
Elevation: 800 ft. / 244 m (estimated)
Variation: 00W (1985)
From city: 1 mile SE of REDGRANITE, WI
Time zone: UTC -6 (UTC -5 during Daylight Saving Time)
Zip code: 54970

Airport Operations

Airport use: Private use. Permission required prior to landing
Activation date: 08/1978
Control tower: no
ARTCC: CHICAGO CENTER
FSS: GREEN BAY FLIGHT SERVICE STATION
Attendance: UNATNDD
Wind indicator: yes
Segmented circle: no

Airport Communications

WX AWOS-3PT at Y50 (10 nm W): 119.475 (920-787-0515)
WX AWOS-3 at PCZ (19 nm N): 118.625 (920-867-2407)

Nearby radio navigation aids

VOR radial/distance  VOR name  Freq  Var
OSHr273/22.7OSHKOSH VORTAC116.7502E

Airport Services

Runway Information

Runway NW/SE

Dimensions: 1800 x 40 ft. / 549 x 12 m
Surface: turf
RUNWAY NW  RUNWAY SE
Traffic pattern: leftleft

Airport Ownership and Management from official FAA records

Ownership: Privately-owned
Owner: MRS ONNI R HARJU
2184 COUNTY E, SO.
REDGRANITE, WI 54970
Phone 414-566-4638
Manager: ONNI R. HARJU
2184 COUNTY E, SO.
REDGRANITE, WI 54970
Phone 414-566-4638

Additional Remarks

- OWNER DESIRES ARPT NOT BE CHARTED.
- FOR CD CTC CHICAGO ARTCC AT 630-906-8921.

Instrument Procedures

There are no published instrument procedures at 20WI.

Some nearby airports with instrument procedures:

Y50 - Wautoma Municipal Airport (10 nm W)
KPCZ - Waupaca Municipal Airport (19 nm N)
KOSH - Wittman Regional Airport (23 nm E)
KATW - Appleton International Airport (28 nm NE)
KFLD - Fond Du Lac County Airport (30 nm SE)
  
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Area around 20WI (Harju Airport)
 
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Sectional chart

 
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From to 20WI

Sunrise and sunset
Times for 06-Feb-2026
 Local
(UTC-6)		 Zulu
(UTC)
Morning civil twilight06:3912:39
Sunrise07:0913:09
Sunset17:1223:12
Evening civil twilight17:4223:42

Current date and time
Zulu (UTC)  06-Feb-2026 15:31:00
Local (UTC-6)  06-Feb-2026 09:31:00
 
METAR
KY50 
10nm W 		061509Z AUTO 32013G17KT 10SM OVC031 02/M02 A2983 RMK AO2 P0001 FZRANO $
KPCZ 
19nm N 		061515Z AUTO 32014G18KT 10SM OVC032 03/M02 A2984 RMK AO2 T00251025
TAF
KATW 
28nm NE 		061120Z 0612/0712 32010G16KT P6SM SCT025 OVC030 FM061300 32010G17KT P6SM BKN025 FM061800 34012G20KT P6SM SCT150 FM070500 33006KT P6SM SKC
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