Harju Airport Private
20WI · Redgranite, WI · Non-towered · Print kneeboard
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-04 · night begins 08:49 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:15 AM | 10:15Z |
| Sunrise | 05:47 AM | 10:47Z |
| Sunset | 08:17 PM | 01:17Z |
| Evening civil twilight Loggable night begins | 08:49 PM | 01:49Z |
Plan a flight from 20WI
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Advisories
NOTAMs
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Pilot reports
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Airspace hazards
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Runways
RWY NWLEFT traffic
- Heading
- 000° mag · 000° true
- Dimensions
- 1,800 × 40 ft
- TPA
- 1,800 ft MSL (≈1,000 AGL) · standard
- Surface
- Turf
Enter the left downwind (heading 180°) on the 45° at 1,800 ft MSL (≈1,000 AGL).
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)
| Runway | Length | Your margin |
|---|---|---|
| NW/SE | 1,800 ft |
Prefer one flat page? Full runway details for 20WI → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 20WI kneeboard →
Comms & NavAids
Nearby navigation aids
OSH 116.75
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| OSH · Oshkosh | VOR/DME | 116.75 · 114Y | Low | r273° / 22.7 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for 20WI — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- 20WI
- Coordinates
- 44.0214, -89.0793
- Elevation
- 800 ft MSL
- Magnetic variation
- 0W
- Sectional chart
- GREEN BAY
- Airport use
- Private
- Control tower
- No
- ARTCC
- CHICAGO (ZAU)
- Flight service (FSS)
- GREEN BAY · 122.2 · 1-800-WX-BRIEF
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1978/08
- Distance from city
- 1 SE
Ownership & management 2 contacts
Remarks FAA · 2 notes
General
- OWNER DESIRES ARPT NOT BE CHARTED.
- FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
Nearby airports
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Also nearby: 1WI7 Buzzards Roost Airport (private) (1 NM) · 80WI Spring Creek Airport (private) (3 NM) · 3WI8 Plantation Pine Airport (private) (3 NM) · WI55 Broken Prop Airport (private) (5 NM) · 31WN Berlin Field LLC (private) (5 NM) · Y50 Wautoma Municipal Airport (10 NM)
About 20WI
Harju Airport (20WI) is an airport in Redgranite, WI, at 800 ft MSL. It has 1 runway, the longest 1,800 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 20WI, refreshed from the Aviation Weather Center and FAA NASR.
Does 20WI have a control tower?
No. Harju Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at 20WI?
Harju Airport has 1 runway; the longest is 1,800 ft. See the Runways section for headings, surface, and lighting.
Where is 20WI?
Harju Airport is in Redgranite, WI, at an elevation of 800 ft MSL. Coordinates: 44.0214, -89.0793.
Fly out of 20WI often?
Save 20WI as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open 20WI in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.