Larson Private
5WI4 · Marinette, WI · Non-towered · Print kneeboard · Open on the map
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Weather
METAR observed
TAF forecast
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Sun & FAA night2026-09-18 · night begins 07:26 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:03 AM | 11:03Z |
| Sunrise | 06:33 AM | 11:33Z |
| Sunset | 06:56 PM | 23:56Z |
| Evening civil twilight Loggable night begins | 07:26 PM | 00:26Z |
Plan a flight from 5WI4
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
NOTAMs · Loading NOTAMs…
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Airspace hazards · Checking SIGMETs and G-AIRMETs…
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Runways
RWY 18RIGHT trafficRP · charted
- Heading
- 180° mag · 178° true
- Dimensions
- 2,600 × 75 ft
- TPA
- 1,600 ft MSL (≈1,000 AGL) · standard
- Surface
- Turf
- CTAF
- 122.8
Enter the right downwind (heading 000°) 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
Night operations
- Pilot-controlled lighting
- Usually keyed on CTAF 122.8 — confirm the click sequence in the Chart Supplement
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
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 (private) (14 NM) · 30WI Chambers Island (private) (15 NM) · 7WI8 Crispy Cedars (private) (18 NM)
About 5WI4
Larson (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 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 has 1 runway; the longest is 2,600 ft. See the Runways section for headings, surface, and lighting.
Where is 5WI4?
Larson is in Marinette, WI, at an elevation of 615 ft MSL. Coordinates: 45.0814, -87.6793.
More about 5WI4
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.
Something here wrong or out of date? Report a data problem.