Black River Ranch Airport Private
1MI3 · Onaway, MI · 880 ft elevation · var 6W · Non-towered
Airport information
- FAA LID
- 1MI3
- Coordinates
- 45.1958, -84.3217
- Elevation
- 880 ft MSL
- Magnetic variation
- 6W
- Sectional chart
- LAKE HURON
- Airport use
- Private
- Control tower
- No
- ARTCC
- MINNEAPOLIS (ZMP)
- Flight service (FSS)
- LANSING · 1-800-WX-BRIEF
- Attendance
- UNATNDD
- Segmented circle
- No
- Activated
- 1948/11
- Distance from city
- 10 SW
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 | 05:12 AM | 09:12Z |
| Sunrise | 05:50 AM | 09:50Z |
| Sunset | 09:29 PM | 01:29Z |
| Evening civil twilight Loggable night begins | 10:06 PM | 02:06Z |
Plan a flight from 1MI3
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.
Traffic pattern
- Landing
- Rwy E
- Pattern
- left (turns left)
- TPA
- 1,900 ft MSL (≈1,000 AGL)
- CTAF
- 122.9
Enter the left downwind for Rwy E at 1,900 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway E/W
3,900 ft × 60 ft · Asphalt- Heading
- n/a
- Traffic pattern
- Left
- Heading
- n/a
- Traffic pattern
- Left
| Runway | Length | Your margin |
|---|---|---|
| E/W | 3,900 ft |
Communication frequencies
Tower & ground
| CTAF | 122.9 |
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| GLR · Gaylord | VOR-DME | 109.20 | r062° / 19.6 NM |
| PLN · Pellston | VORTAC | 111.80 | r157° / 29.8 NM |
| APN · Alpena | VORTAC | 108.80 | r289° / 33.1 NM |
| CGG · Grayling | VOR | 109.80 | r035° / 35.4 NM |
VFR sectional
No published instrument procedures or Chart Supplement for 1MI3. VFR sectional link above.
Services
- Airframe service
- NONE
- Powerplant service
- NONE
Ownership & management
Remarks FAA
- ESTABD BFR 1959.
- 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 1MI3 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 1MI3
Black River Ranch Airport (1MI3) is an airport in Onaway, MI, at 880 ft MSL. It has 1 runway, the longest 3,900 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 1MI3, refreshed from the Aviation Weather Center and FAA NASR.
Does 1MI3 have a control tower?
No. Black River Ranch Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at 1MI3?
Black River Ranch Airport has 1 runway; the longest is 3,900 ft. See the Runways tab for headings, surface, and lighting.
Where is 1MI3?
Black River Ranch Airport is in Onaway, MI, at an elevation of 880 ft MSL. Coordinates: 45.1958, -84.3217.
Fly out of 1MI3 often?
Save 1MI3 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.