Rosenbaum Field Private
3WI9 · Chippewa Falls, 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 09:02 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:21 AM | 10:21Z |
| Sunrise | 05:54 AM | 10:54Z |
| Sunset | 08:28 PM | 01:28Z |
| Evening civil twilight Loggable night begins | 09:02 PM | 02:02Z |
Plan a flight from 3WI9
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 18LEFT traffic
- Heading
- 179° mag · 180° true
- Dimensions
- 2,600 × 100 ft
- TPA
- 1,900 ft MSL (≈1,000 AGL) · standard
- Surface
- Turf
Enter the left downwind (heading 359°) on the 45° at 1,900 ft MSL (≈1,000 AGL).
More details — RWY 18
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)
| Runway | Length | Your margin |
|---|---|---|
| 18/36 | 2,600 ft |
Prefer one flat page? Full runway details for 3WI9 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 3WI9 kneeboard →
Comms & NavAids
Nearby navigation aids
EAU 113.65
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| EAU · Eau Claire | VORTAC | 113.65 · 83Y | Low | r033° / 7.2 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for 3WI9 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- 3WI9
- Coordinates
- 44.9938, -91.3778
- Elevation
- 940 ft MSL
- Magnetic variation
- 1E
- Sectional chart
- GREEN BAY
- Airport use
- Private
- Control tower
- No
- ARTCC
- MINNEAPOLIS (ZMP)
- Flight service (FSS)
- GREEN BAY · 122.2 · 1-800-WX-BRIEF
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1963/09
- Distance from city
- 3 N
Night operations
- Airport lighting
- SEE RMK
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- Airframe service
- NONE
- Powerplant service
- NONE
Ownership & management 2 contacts
Remarks FAA · 4 notes
General
- FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.
Lighting
- PHONE REQ FOR NSTD LIRL RWY 18/36 CALL 715-829-4800.
- LIRL ON BOTH SIDES OF RWY.
Obstructions
- WIRES-M WEST SIDE NORTH END OF RWY.
Nearby airports
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Also nearby: WI32 T-Bo Field Airport (private) (2 NM) · 3WN8 Blunt Field (private) (4 NM) · 4WI0 Wissota Airport (private) (6 NM) · WI21 Crane Field (private) (8 NM) · WI18 Gateway Airport (private) (9 NM)
About 3WI9
Rosenbaum Field (3WI9) is an airport in Chippewa Falls, WI, at 940 ft MSL. It has 1 runway, the longest 2,600 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 3WI9, refreshed from the Aviation Weather Center and FAA NASR.
Does 3WI9 have a control tower?
No. Rosenbaum Field is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at 3WI9?
Rosenbaum Field has 1 runway; the longest is 2,600 ft. See the Runways section for headings, surface, and lighting.
Where is 3WI9?
Rosenbaum Field is in Chippewa Falls, WI, at an elevation of 940 ft MSL. Coordinates: 44.9938, -91.3778.
Fly out of 3WI9 often?
Save 3WI9 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 3WI9 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.