Libby Island Light (us-maine)
Type: building=lighthouse
Coordinates: 44.56749500135042, -67.36618768692597
Area: 3.2998046875e-05 km²
OSM tags:
building: lighthouse
building:architecture: other
heritage: 2
heritage:operator: nrhp
heritage:website: https://npgallery.nps.gov/AssetDetail/NRIS/76000117
historic: heritage
int_ref: J 24.00
man_made: lighthouse
name: Libby Island Light
nat_ref: LLNR 1120
note: centered on NGS position
note:position: NOAA/USCG surveyed location. Please use for calibration.
note:seamark: Electronic Navigation Charts track the diffferent parts of seamarks (light, fog_signal, buoy, etc.) in separate files, that are updated seperately. Individual sources are needed to track updates sanely.
nrhp:criteria: (A)
nrhp:inscription_date: 1976-06-18
ref:nrhp: 76000117
seamark:fog_signal:category: horn
seamark:fog_signal:group: 1
seamark:fog_signal:information: 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.
seamark:fog_signal:period: 15.0
seamark:fog_signal:ref: US001945996800050
seamark:fog_signal:sequence: 2.0+(13.0)
seamark:fog_signal:source: US,US,reprt,1stCGD,LNM 35/18
seamark:fog_signal:source_date: 20180828
seamark:landmark:category: tower
seamark:landmark:conspicuity: conspicuous
seamark:landmark:function: light_support
seamark:landmark:height: 27.7
seamark:landmark:ref: US001945997100050
seamark:landmark:source: US,US,graph,Chart 13326
seamark:landmark:source_date: 200404
seamark:landmark:status: permanent
seamark:light:character: Fl
seamark:light:colour: white
seamark:light:emergency:category: emergency
seamark:light:emergency:character: Fl
seamark:light:emergency:colour: white
seamark:light:emergency:exhibition: night
seamark:light:emergency:group: 2
seamark:light:emergency:height: 27.7
seamark:light:emergency:information: Reduced intensity when main light is extinguished
seamark:light:emergency:period: 20.0
seamark:light:emergency:range: 18.0
seamark:light:emergency:ref: US001945997200050
seamark:light:emergency:sequence: 0.2+(4.8)+0.2+(14.8)
seamark:light:emergency:source: US,US,reprt,1stCGD,LNM 45/08
seamark:light:emergency:source_date: 20040401
seamark:light:emergency:visibility: unintensified
seamark:light:exhibition: night
seamark:light:group: 2
seamark:light:height: 27.7
seamark:light:period: 20.0
seamark:light:range: 18.0
seamark:light:ref: US001945997300050
seamark:light:sequence: 0.2+(4.8)+0.2+(14.8)
seamark:light:source: US,US,reprt,1stCGD,LNM 45/08
seamark:light:source_date: 20040401
seamark:name: Libby Island Light
seamark:type: landmark
source:position: https://www.ngs.noaa.gov/cgi-bin/ds_mark.prl?PidBox=PD1001
source:seamark: NOAA Electronic Navigation Chart US4ME50M (Approach)
source:seamark:date: 2023-10-23
start_date: 1823
wikipedia: en:Libby Island Light