KOEN
Halfway Rock Light in the middle, with the lights within 20 km, in their listed colours.
Halfway Rock Light — light characteristic, height, range
One red flash every 5 seconds
Count 5 seconds.Flash red, once.Begin again.
- Characteristic
- Fl R 5s
- Height
- 76 ft · 23 m
- Nominal range
- 14 nmi = 26 km
- Structure
- White tower attached to dwelling.
- Remarks
- HORN: 2 blasts ev 30s (2s bl-2s si-2s bl-24s si). MRASS-Fog signal is radio activated, during times of reduced visibility, turn marine VHF-FM radio to channel 83A/157.175Mhz. Key microphone 5 times consecutively, to activate fog signal for 60 minutes.
- Position
- 43.6558°N, 70.0368°W · ME

Lights nearby
- East Cod Ledge Lighted Buoy 1ECOne green flash every 6 seconds · 5.3 km
- Merriconeag Sound Approach Lighted Gong Buoy 8One red flash every 4 seconds · 6.5 km
- Mackerel Cove Lighted Buoy 1One green flash every 4 seconds · 7.9 km
- Hope Island Lighted Bell Buoy 2One red flash every 4 seconds · 8.5 km
- Bangs Island Aquaculture Lighted Raft AOne yellow flash every 2.5 seconds · 9.2 km
- Bangs Island Aquaculture Lighted Raft BOne yellow flash every 2.5 seconds · 9.2 km
- Bangs Island Aquaculture Lighted Raft COne yellow flash every 2.5 seconds · 9.2 km
- Quahog Bay Lighted Buoy 3One green flash every 2.5 seconds · 9.3 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