Turtle Bay Seaplane Base Seaplane BasePrivate
MN73 · Cohasset, MN · Non-towered
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-07 · night begins 09:14 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:26 AM | 10:26Z |
| Sunrise | 06:00 AM | 11:00Z |
| Sunset | 08:39 PM | 01:39Z |
| Evening civil twilight Loggable night begins | 09:14 PM | 02:14Z |
Plan a flight from MN73
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
Airspace hazards
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Runways
Headings shown are true (magnetic variation unavailable).
| Runway | Length | Your margin |
|---|---|---|
| 12W/30W | 3,298 ft |
Prefer one flat page? Full runway details for MN73 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the MN73 kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
GPZ 114.65 · HIB 116.55
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| GPZ · Grand Rapids | VOR/DME | 114.65 · 93Y | Low | r308° / 7.1 NM |
| HIB · Hibbing | VOR/DME | 116.55 · 112Y | Low | r263° / 37.2 NM |
Prefer one flat list? All MN73 frequencies →
Charts & procedures
No published instrument procedures or Chart Supplement for MN73 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- MN73
- Coordinates
- 47.2451, -93.6132
- Elevation
- 1,275 ft MSL
- Sectional chart
- TWIN CITIES
- Airport use
- Private
- Control tower
- No
- ARTCC
- MINNEAPOLIS (ZMP)
- Flight service (FSS)
- PRINCETON · 122.2 · 1-800-WX-BRIEF
- Segmented circle
- No
- Activated
- 2023/11
- Distance from city
- 1 SSE
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 under Sun & FAA night in the Weather section.
Ownership & management 2 contacts
Nearby airports
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Also nearby: 12MN Lily Lake Seaplane Base (private) (4 NM) · 5MN6 Northbound Seaplane Base (private) (6 NM) · 9MN2 Wabana Seaplane Base (private) (11 NM) · 52Y Remer Municipal Airport (16 NM) · 07Y Hill City-Quadna Mountain Airport (17 NM)
About MN73
Turtle Bay Seaplane Base (MN73) is a seaplane base in Cohasset, MN, at 1,275 ft MSL. It has 1 runway, the longest 3,298 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for MN73, refreshed from the Aviation Weather Center and FAA NASR.
Does MN73 have a control tower?
No. Turtle Bay Seaplane Base is a non-towered (pilot-controlled) seaplane base; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at MN73?
Turtle Bay Seaplane Base has 1 runway; the longest is 3,298 ft. See the Runways section for headings, surface, and lighting.
Where is MN73?
Turtle Bay Seaplane Base is in Cohasset, MN, at an elevation of 1,275 ft MSL. Coordinates: 47.2451, -93.6132.
Fly out of MN73 often?
Save MN73 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 MN73 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.