KOEN
Castle Hill Light in the middle, with the lights within 20 km, in their listed colours.
Castle Hill Light — light characteristic, height, range
Red, 3 s on and 3 s off
On for 3 seconds.Off for 3 seconds.Begin again.
- Characteristic
- Iso R 6s
- Height
- 40 ft · 12 m
- Nominal range
- 9 nmi = 17 km
- Structure
- Conical granite tower, upper half white.
- Remarks
- HORN: 1 blast ev 10s (1s 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
- 41.4622°N, 71.3629°W · RI
Lights nearby
- East Passage Lighted Gong Buoy 7One green flash every 4 seconds · 1.3 km
- East Passage Lighted Gong Buoy 9One green flash every 2.5 seconds · 1.8 km
- East Passage Lighted Bell Buoy 11Continuous quick green flashes · 2.6 km
- Fort Adams Light 2One red flash every 6 seconds · 3.1 km
- Brenton Point Lighted Whistle Buoy 2Continuous quick red flashes · 3.3 km
- Beavertail LightOne white flash every 10 seconds · 3.4 km
- Goat Island Lighted Bell Buoy 3One green flash every 2.5 seconds · 3.7 km
- Jamestown Harbor Channel Lighted Buoy 2One red flash every 4 seconds · 3.7 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