Sault Ste Marie International Seaplane Base
MI8 · Sault Ste Marie, MI · Non-towered · Open on the map
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Weather
METAR observed
TAF forecast
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Sun & FAA night2026-09-22 · night begins 08:05 PM
| Event | Local (EDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:54 AM | 10:54Z |
| Sunrise | 07:24 AM | 11:24Z |
| Sunset | 07:35 PM | 23:35Z |
| Evening civil twilight Loggable night begins | 08:05 PM | 00:05Z |
Plan a flight from MI8
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
NOTAMs · Loading NOTAMs…
Pilot reports · Loading PIREPs…
Airspace hazards · Checking SIGMETs and G-AIRMETs…
Temporary flight restrictions · Checking for TFRs…
Runways
Headings shown are true (magnetic variation unavailable).
| Runway | Length | Your margin |
|---|---|---|
| 11W/29W | 7,000 ft | |
| 15W/33W | 7,000 ft | |
| 16W/34W | 3,000 ft |
Prefer one flat page? Full runway details for MI8 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the MI8 kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
SSM 112.20
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| SSM · Sault Ste Marie | VOR/DME | 112.20 · 59X | High | r011° / 4.3 NM |
Prefer one flat list? All MI8 frequencies →
Charts & procedures
No published instrument procedures or Chart Supplement for MI8 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- MI8
- Coordinates
- 46.4837, -84.3019
- Elevation
- 575 ft MSL
- Sectional chart
- LAKE HURON
- Airport use
- Public
- Control tower
- No
- ARTCC
- TORONTO (ZYZ)
- Flight service (FSS)
- GREEN BAY · 122.2 · 1-800-WX-BRIEF
- NOTAM facility
- GRB
- Segmented circle
- No
- Activated
- 2019/10
- Distance from city
- 2 SE
Night operations
- Pilot-controlled lighting
- Usually keyed on CTAF 122.7 — 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 TORONTO ARTCC ON 132.65, IF UNA CALL LONDON FIC AT 866-541-4104.
Nearby airports
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Also nearby: 5Y1 Albert J Lindberg (27 NM) · 1MI0 Ashman Island (private) (35 NM) · D22 Yacht Haven (36 NM)
About MI8
Sault Ste Marie International (MI8) is a seaplane base in Sault Ste Marie, MI, at 575 ft MSL. It has 3 runways, 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 MI8, refreshed from the Aviation Weather Center and FAA NASR.
Does MI8 have a control tower?
No. Sault Ste Marie International is a non-towered (pilot-controlled) seaplane base; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at MI8?
Sault Ste Marie International has 3 runways; the longest is 7,000 ft. See the Runways section for headings, surface, and lighting.
Where is MI8?
Sault Ste Marie International is in Sault Ste Marie, MI, at an elevation of 575 ft MSL. Coordinates: 46.4837, -84.3019.
More about MI8
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 MI8 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.