Harju Airport (20WI) — Redgranite, WI

Harju Airport (20WI)
20WI
Harju Airport (20WI)
Redgranite, WI
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Harju Airport (20WI) is a private-use airport located in Redgranite, WI. The airport sits at an elevation of 800 feet above mean sea level. It features 1 runway.

Location & QuickFacts
FAA Information Effective 2026-09-03
Airport Identifier 20WI
Airport Status Operational
Longitude/Latitude 89°4'45.4210" W / 44°1'16.9260" N
-89.079284 / 44.021368 (Estimated)
Elevation 800.00 ft / 243.84 m (Estimated)
From nearest city 1 nautical miles SE of Redgranite, WI
Location Waushara County, WI
Owner & Manager
Ownership Privately owned
Owner MRS ONNI R HARJU
Address 2184 COUNTY E, SO.
REDGRANITE, WI 54970
Phone number 414-566-4638
Manager ONNI R. HARJU
Address 2184 COUNTY E, SO.
REDGRANITE, WI 54970
Phone number 414-566-4638
Airport Operations and Facilities
Airport Use Private
Wind indicator Yes
Segmented Circle No
Control Tower NON-ATCT
Landing fee charge No
Sectional chart GREEN BAY
Region AGL - Great Lakes
Responsible ARTCC ZAU - CHICAGO
Tie-in FSS GRB - GREEN BAY
FSS on Airport No
FSS Toll Free 1-800-WX-BRIEF
Runway Information
Runway NW/SE
Dimensions 1800 x 40 ft (549 x 12 m)
Surface TURF
Surface treatment
NW SE
Traffic pattern Left Left
Remarks
  • OWNER DESIRES ARPT NOT BE CHARTED.
  • FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
  • PROVIDED ALL AERONAUTICAL OPERATIONS ARE CONDUCTED IN ACCORDANCE WITH LETTER OF AGREEMENT BETWEEN HARJU AND BUZZARD'S ROOST AIRPORTS.