KOEN
Spectacle Reef Light in the middle, with the lights within 20 km, in their listed colours.
Spectacle Reef Light — light characteristic, height, range
One red flash every 5 seconds
Count 5 seconds.Flash red, once.Begin again.
- Characteristic
- Fl R 5s
- Height
- 86 ft · 26 m
- Nominal range
- 11 nmi = 20 km
- Structure
- Gray conical tower on square concrete pier.
- Position
- 45.7730°N, 84.1380°W · MI
Lights nearby
- Martin Reef LightOne red flash every 10 seconds · 16 km
- Cordwood Point Lighted Buoy 1One green flash every 4 seconds · 16 km
- Pomeroy Reef Lighted Gong Buoy 2PROne red flash every 4 seconds · 18 km
- Poe Reef LightWhite, 1 s on and 1 s off · 19 km
- Les Cheneaux Island Lighted Buoy 2One red flash every 6 seconds · 20 km
- Hammond Bay Harbor Of Refuge East Breakwater LightOne green flash every 2.5 seconds · 20 km
- Hammond Bay Harbor Of Refuge West Breakwater LightOne red flash every 4 seconds · 20 km
- Les Cheneaux Island Lighted Buoy 3One green flash every 6 seconds · 21 km
Not for navigation. Use official NOAA charts and USCG Local Notices to Mariners.
Real periods; the phase is reconstructed from a fixed clock (real lights don't keep time with each other).
Sources: U.S. Coast Guard Light List (opens in a new tab) · Checked