NTM 88/21 Gourock Special Mark Buoy Dis-Established

Mariners are advised that the lit 1.2m diameter special mark buoy marking an acoustic measuring device at Gourock Ferry Terminal, Gourock Bay, Firth of Clyde has been permanently dis-established and removed from site along with the acoustic instruments.

Details of the buoy:

Name	M1 Buoy
Location Description	Firth of Clyde. Gourock Bay.
Latitude	56º 57.932′ North (WGS-84 datum)
Longitude	004º 48.923′ West (WGS-84 datum)
Character of Light	Fl (5) Y 20s
Range	2 nautical miles
Colour/Shape	Yellow Pillar
Topmark	Yellow X
Comments	Radar reflector fitted