Airport information
- FAA LID
- 9WI1
- Coordinates
- 44.3294, -88.6236
- Elevation
- 805 ft MSL
- Magnetic variation
- 1W
- Sectional chart
- GREEN BAY
- Airport use
- Private
- Control tower
- No
- ARTCC
- MINNEAPOLIS (ZMP)
- Flight service (FSS)
- GREEN BAY · 1-800-WX-BRIEF
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1978/02
- Distance from city
- 1 E
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-21
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:34 AM | 09:34Z |
| Sunrise | 05:10 AM | 10:10Z |
| Sunset | 08:42 PM | 01:42Z |
| Evening civil twilight Loggable night begins | 09:19 PM | 02:19Z |
Plan a flight from 9WI1
Traffic pattern
- Landing
- Rwy 09
- Pattern
- right (turns right)
- TPA
- 1,800 ft MSL (≈1,000 AGL)
Enter the right downwind for Rwy 09 at 1,800 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 09/27
1,500 ft × 60 ft · Turf- Heading
- n/a
- Traffic pattern
- Right
- Approach obstacle
- Tree, 50 ft, 600 ft from threshold
- Displaced threshold
- 150 ft
- Heading
- 258° mag · 257° true
- Traffic pattern
- Right
- Displaced threshold
- 400 ft
| Runway | Length | Your margin |
|---|---|---|
| 09/27 | 1,500 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| OSH · Oshkosh | VORTAC | 111.80 | r350° / 20.6 NM |
| GRB · Green Bay | VORTAC | 115.50 | r233° / 22.8 NM |
VFR sectional
No published instrument procedures or Chart Supplement for 9WI1. VFR sectional link above.
Ownership & management
Remarks FAA
- FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.
Nearby airports
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 9WI1 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.
About 9WI1
Black Otter Airport (9WI1) is an airport in Hortonville, WI, at 805 ft MSL. It has 1 runway, the longest 1,500 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 9WI1, refreshed from the Aviation Weather Center and FAA NASR.
Does 9WI1 have a control tower?
No. Black Otter Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at 9WI1?
Black Otter Airport has 1 runway; the longest is 1,500 ft. See the Runways tab for headings, surface, and lighting.
Where is 9WI1?
Black Otter Airport is in Hortonville, WI, at an elevation of 805 ft MSL. Coordinates: 44.3294, -88.6236.
Fly out of 9WI1 often?
Save 9WI1 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.