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 · 1-800-WX-BRIEF
- Attendance
- ALL DALGT
- Segmented circle
- Yes
- Wind indicator
- yes
- Activated
- 1976/07
- Distance from city
- 3 SW
Weather
METAR observed
Loading current weather…
TAF forecast
Loading forecast…
Sun & FAA night 2026-06-22
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:26 AM | 09:26Z |
| Sunrise | 05:04 AM | 10:04Z |
| Sunset | 08:42 PM | 01:42Z |
| Evening civil twilight Loggable night begins | 09:19 PM | 02:19Z |
Plan a flight from 5WI4
Traffic pattern
- Landing
- Rwy 18
- Pattern
- right (turns right)
- TPA
- 1,600 ft MSL (≈1,000 AGL)
Enter the right downwind for Rwy 18 at 1,600 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 18/36
2,600 ft × 75 ft · Turf- Heading
- n/a
- Traffic pattern
- Right
- Approach obstacle
- Pline, 40 ft from threshold
- Heading
- n/a
- Traffic pattern
- Left
- Approach obstacle
- Trees, 100 ft from threshold
| Runway | Length | Your margin |
|---|---|---|
| 18/36 | 2,600 ft |
Communication frequencies
Tower & ground
| UNICOM | 122.8 |
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| MNM · Menominee | VOR-DME | 109.60 | r193° / 6.1 NM |
| GRB · Green Bay | VORTAC | 115.50 | r034° / 38.5 NM |
VFR sectional
No published instrument procedures or Chart Supplement for 5WI4. VFR sectional link above.
Ownership & management
Remarks FAA
- PROVIDED TFC PTN OPS RESTRICTED TO THE WEST SIDE OF RUNWAY.
- 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 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.
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 on the Comms & NavAids tab.
What is the longest runway at 5WI4?
Larson Airport has 1 runway; the longest is 2,600 ft. See the Runways tab 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.