Bois Blanc Island, Michigan
6Y1 Bois Blanc Island
Bois Blanc Island (6Y1) is a non-towered, public-use airport in Bois Blanc Island, Michigan, at 664 ft MSL. Its runway is 10/28 (3,498 by 75 ft, asphalt). CTAF 122.9.
FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.
Airport
At a glance
- Identifiers
- FAA 6Y1
- Location
- Bois Blanc Island, Michigan (Mackinac County). 3 NM NW of the city center
- Elevation
- 664 ft MSL
- Position
- 45.7663° N, 84.5038° W
- Control tower
- No, non-towered
- Sectional chart
- Lake Huron
- Magnetic variation
- 6° W (1985)
- Ownership
- Publicly owned, open to the public
- Attendance
- Unattended
1 runway
Runways
| Runway | Length × width | Surface | Edge lights |
|---|---|---|---|
| 10/28 | 3,498 × 75 ft | Asphalt, good condition | Medium intensity |
Runway ends and traffic pattern
| End | Pattern | Glide slope lights | Instrument | Displaced threshold | Landing distance |
|---|---|---|---|---|---|
| 10 | Left traffic | None listed | None listed | None listed | Not listed |
| 28 | Left traffic | 4-light PAPI, left | None listed | None listed | Not listed |
VHF
Frequencies
- CTAF
- 122.9
- Actvt Reil Rwy 28; Papi Rwy 28; Mirl Rwy 10/28 - Ctaf.
Before you go
Brief 6Y1 in Ascent EFB.
Current weather, NOTAMs and the airport diagram for Bois Blanc Island, in the app on iPhone and iPad.
Not for navigation. Verify with current FAA charts and the Chart Supplement before flight.
Source: FAA NASR 28-day subscription, cycle effective Oct 29, 2026. Airport data changes every 28 days and NOTAMs can override it at any time.