Airport information
- FAA LID
- MI4
- Coordinates
- 46.0403, -83.6914
- Elevation
- 580 ft MSL
- Sectional chart
- LAKE HURON
- Airport use
- Public
- Control tower
- No
- ARTCC
- MINNEAPOLIS (ZMP)
- Flight service (FSS)
- GREEN BAY · 1-800-WX-BRIEF
- NOTAM facility
- GRB
- Segmented circle
- No
- Activated
- 2020/02
- Distance from city
- 2 NE
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-22
| Event | Local (EDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:05 AM | 09:05Z |
| Sunrise | 05:44 AM | 09:44Z |
| Sunset | 09:30 PM | 01:30Z |
| Evening civil twilight Loggable night begins | 10:08 PM | 02:08Z |
Plan a flight from MI4
Night operations
- Pilot-controlled lighting
- Usually keyed on CTAF 122.9 — confirm the click sequence in the Chart Supplement
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.
Runway 10W/28W
7,000 ft · Water- Heading
- n/a
- Threshold elev
- 580 ft
- Traffic pattern
- Left
- Heading
- n/a
- Threshold elev
- 580 ft
- Traffic pattern
- Left
Headings shown are true (magnetic variation unavailable).
| Runway | Length | Your margin |
|---|---|---|
| 10W/28W | 7,000 ft |
Communication frequencies
Tower & ground
| CTAF | 122.9 |
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| SSM · Sault Ste Marie | VOR-DME | 112.20 | r135° / 34.2 NM |
VFR sectional
No published instrument procedures or Chart Supplement for MI4. VFR sectional link above.
Ownership & management
Remarks FAA
- PAULLAPOINT@YAHOO.COM
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 MI4 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 MI4
Lapoint Seaplane Base (MI4) is a seaplane base in Drummond, MI, at 580 ft MSL. It has 1 runway, the longest 7,000 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for MI4, refreshed from the Aviation Weather Center and FAA NASR.
Does MI4 have a control tower?
No. Lapoint Seaplane Base is a non-towered (pilot-controlled) seaplane base; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at MI4?
Lapoint Seaplane Base has 1 runway; the longest is 7,000 ft. See the Runways tab for headings, surface, and lighting.
Where is MI4?
Lapoint Seaplane Base is in Drummond, MI, at an elevation of 580 ft MSL. Coordinates: 46.0403, -83.6914.
Fly out of MI4 often?
Save MI4 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.