KOEN
Penfield Reef Light in the middle, with the lights within 20 km, in their listed colours.
Penfield Reef Light — light characteristic, height, range
One red flash every 6 seconds
Count 6 seconds.Flash red, once.Begin again.
- Characteristic
- Fl R 6s
- Height
- 51 ft · 16 m
- Nominal range
- 14 nmi = 26 km
- Structure
- White tower on granite dwelling on pier.
- Remarks
- HORN: 1 blast ev 15s (2s bl). 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 45 minutes.
- Position
- 41.1171°N, 73.2221°W · CT

Lights nearby
- Black Rock Lighted Danger BuoyContinuous quick white flashes · 462 m
- The Little Cows Lighted Bell Buoy LCOne green flash every 4 seconds · 857 m
- Black Rock Harbor Entrance Light 2AOne red flash every 4 seconds · 2.3 km
- Ash Creek Lighted Buoy 1One green flash every 6 seconds · 2.6 km
- Ash Creek Lighted Buoy 2One red flash every 3 seconds · 2.7 km
- Pine Creek Point Aquaculture Lighted Buoys (4)One yellow flash every 4 seconds · 2.7 km
- Ash Creek Lighted Buoy 3One green flash every 6 seconds · 2.8 km
- Ash Creek Lighted Buoy 4One red flash every 3 seconds · 2.8 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