Larson Airport Private
5WI4 · Marinette, 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 08:47 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:06 AM | 10:06Z |
| Sunrise | 05:39 AM | 10:39Z |
| Sunset | 08:14 PM | 01:14Z |
| Evening civil twilight Loggable night begins | 08:47 PM | 01:47Z |
Plan a flight from 5WI4
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 18RIGHT trafficRP · charted
- Heading
- 182° mag · 180° true
- Dimensions
- 2,600 × 75 ft
- TPA
- 1,600 ft MSL (≈1,000 AGL) · standard
- Surface
- Turf
Enter the right downwind (heading 002°) on the 45° at 1,600 ft MSL (≈1,000 AGL).
More details — RWY 18
- Approach obstacle
- Pline, 40 ft from threshold
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 5WI4 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 5WI4 kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
GRB 115.50
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| GRB · Green Bay | VORTAC | 115.50 · 102X | High | r034° / 38.5 NM |
Prefer one flat list? All 5WI4 frequencies →
Charts & procedures
No published instrument procedures or Chart Supplement for 5WI4 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- 5WI4
- Coordinates
- 45.0814, -87.6793
- Elevation
- 615 ft MSL
- Magnetic variation
- 2W
- 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
- ALL DALGT
- Segmented circle
- Yes
- Wind indicator
- yes
- Activated
- 1976/07
- Distance from city
- 3 SW
Ownership & management 2 contacts
Remarks FAA · 1 notes
General
- FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.
Nearby airports
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Also nearby: 5WI8 Ermis-Ridgeview Airport (private) (14 NM) · 30WI Chambers Island Airport (private) (15 NM) · 7WI8 Crispy Cedars Airport (private) (18 NM)
About 5WI4
Larson Airport (5WI4) is an airport in Marinette, WI, at 615 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 5WI4, refreshed from the Aviation Weather Center and FAA NASR.
Does 5WI4 have a control tower?
No. Larson Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at 5WI4?
Larson Airport has 1 runway; the longest is 2,600 ft. See the Runways section for headings, surface, and lighting.
Where is 5WI4?
Larson Airport is in Marinette, WI, at an elevation of 615 ft MSL. Coordinates: 45.0814, -87.6793.
Fly out of 5WI4 often?
Save 5WI4 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 5WI4 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.