Unknown: Ardbeg Point, Loch Striven, Upper Firth Of Clyde
Boom Defence (20th Century), Obstruction (20th Century)
Site Name Unknown: Ardbeg Point, Loch Striven, Upper Firth Of Clyde
Classification Boom Defence (20th Century), Obstruction (20th Century)
Alternative Name(s) Inner Clyde Estuary; Obstruction
Canmore ID 102454
Site Number NS07NE 8001
NGR NS 06422 79067
Datum WGS84 - Lat/Long
Permalink http://canmore.org.uk/site/102454
- Council Argyll And Bute
- Parish Maritime - Argyll And Bute
- Former Region Strathclyde
- Former District Maritime
- Former County Not Applicable
NS07NE 8001 0642 7906
N55 57.9333 W5 6.1167
NLO: Ardbeg Point [name: NS 063 787]
Loch Striven [name centred NS 086 723].
Formerly entered as NS07NE 9083.
Horizontal Datum = UND
Surveying Details
-----------------------------
9 September 1952. The boom defence net is marked by dan buoy to aid removal.
Hydrographic Office 1995.
Reference (19 April 2012)
UKHO Identifier : 003959
Feature Class : Obstn
State : DEAD
Classification : Unclassified
Position (Lat/long) : 55.96547,-5.10310
Horizontal Datum : ETRS 1989
WGS84 Position (Lat/long) : 55.96547,-5.10310
WGS84 Origin : Block Shift
Previous Position : 55.96555,-5.10195
Position Quality : Precisely known
Depth : 18.3
Depth Quality : Least depth known
Water Depth : 45
Water Level Effect : Always under water/submerged
Vertical Datum : Mean Low Water Springs
Name : Obstruction
Type : BOOM DEFENCE NET
Bottom Texture : Rock
Contact Description : None reported
Original Sensor : None reported
Original Detection Year : 1952
Original Source : Survey Vessel
Surveying Details : **H1941/49 9.9.52 MARKED BY DAN BUOY TO AID REMOVAL. (HMS FRANKLIN, SIGNAL DTD 22.9.52). INS OBSTN 10FMS.
**24.6.82 AMEND TO OBSTN 18.3MTRS IN 555756N, 050607W [OGB]. NE 2131.
POSITIONS BELOW THIS POINT ARE IN DEGREES, MINUTES AND DECIMALS OF A MINUTE
**30.1.03 EUT POSN: 5557.928N, 050616W. NE 1906.
**SEP 2010/000177768 26.10.10 NOT LOCATED 11.4.09 BY M/B SURVEY PRIOR LAYING UP OF MAERSK VESSELS. AGAIN NOT LOCATED BY M/B ON 30.11.09. SHOALEST SOUNDING OBSERVED WAS 40.1MTRS. (D HOAD, HYDROGRAPHIC & DREDGING MANAGER, CLYDEPORT OPS LTD, HN DTD 13.8.10). DELETE. - NM 5586/10.
Chart Symbol : OB 18.3
Date Last Amended : 26/10/2010
Date Position Last Amended : 29/07/2009