KOEN
Greens Ledge Light in the middle, with the lights within 20 km, in their listed colours.
Greens Ledge Light — light characteristic, height, range
Alternating white and red every 20 seconds
White.Red.Once around every 20 seconds.
- Characteristic
- Al WR 20s
- Height
- 62 ft · 19 m
- Nominal range
- 14 nmi = 26 km
- Structure
- Conical tower, upper half white, lower half brown, on black cylindrical pier.
- Remarks
- HORN: 2 blasts ev 20s (2s bl-2s si-2s bl-14s 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 45 minutes.
- Position
- 41.0418°N, 73.4438°W · CT

Lights nearby
- Greens Ledge Lighted Buoy 2AOne red flash every 4 seconds · 935 m
- Fivemile River Entrance Lighted Buoy 3One green flash every 4 seconds · 1.6 km
- Great Reef Lighted Buoy 28One red flash every 6 seconds · 1.6 km
- Norwalk Channel Lighted Buoy 2One red flash every 2.5 seconds · 2.9 km
- Goodwives River Approach Lighted Buoy 1One green flash every 4 seconds · 3.4 km
- Norwalk Channel Lighted Buoy 4One red flash every 4 seconds · 3.4 km
- Noroton Range Front LightSteady red light · 3.6 km
- Noroton Range Rear LightSteady red light · 3.6 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