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Unknown: Ardyne Point, Upper Firth Of Clyde
Mooring Stage (Period Unassigned), Obstruction (Period Unassigned)
Site Name Unknown: Ardyne Point, Upper Firth Of Clyde
Classification Mooring Stage (Period Unassigned), Obstruction (Period Unassigned)
Alternative Name(s) Inner Clyde Estuary; Obstruction
Canmore ID 102686
Site Number NS16NW 8049
NGR NS 10034 67470
Datum WGS84 - Lat/Long
Permalink http://canmore.org.uk/site/102686
- Council Argyll And Bute
- Parish Maritime - Argyll And Bute
- Former Region Strathclyde
- Former District Maritime
- Former County Not Applicable
NS06NE 8005 0998 6747
N55 51.7767 W5 2.16
NLO: Ardyne Point [name: NS 096 683].
Formerly entered as NS06NE 9318.
See also NS06NE 8006-14.
Quality of fix = EDM
Horizontal Datum = OGB
General water depth = 45
Surveying Details
-----------------------------
30 March 1978. A large concrete block, almost certainly part of the anchoring system for Ardyne Point oil rig fabrication yard is reported at 55 51 47N, 05 02 10.5W with a least depth of 43 metres
Report by HMS HECLA, 12 November 1977
16 August 1994. An anchor is reported at 55 51 46.6N, 005 02 09.6W.
Report by Clydeport Limited, 26 July 1994.
Hydrographic Office, 1995.
Reference (19 April 2012)
UKHO Identifier : 003948
Feature Class : Obstn
State : LIVE
Classification : Unclassified
Position (Lat/long) : 55.86287,-5.03717
Horizontal Datum : ETRS 1989
WGS84 Position (Lat/long) : 55.86287,-5.03717
WGS84 Origin : Block Shift
Previous Position : 55.86295,-5.03600
Position Method : Electronic Distance Measuring System
Position Quality : Precisely known
Depth : 43.0
Depth Quality : Least depth known
Water Depth : 45
Water Level Effect : Always under water/submerged
Vertical Datum : Mean Low Water Springs
Name : Obstruction
Type : CONCRETE BLOCK
Bottom Texture : Mud
Contact Description : Other
Original Sensor : Acoustic Sensor
Last Sensor : None reported
Original Detection Year : 1977
Last Detection Year : 1994
Original Source : Survey Vessel
Last Source : Other
Surveying Details : **H2579/76 30.3.78 LARGE CONCRETE BLOCK, ALMOST CERTAINLY PART OF ANCHORING SYSTEM FOR ARDYNE PT OIL RIG FABRICATION YARD, SHOWN IN 555147N, 050210.5W [OGB] ON SURVEY [K7908/1]. LEAST DEPTH 43MTRS. (HMS HECLA, ROS FOR HI 2A/77). INS AS OBSTN 43MTRS. BR STD.
**HH274/510/02 16.8.94 REPORTED TO BE AN ANCHOR IN 555146.6N, 050209.6W [OGB]. (CLYDEPORT LIMITED, HN DTD 26.7.94). AMEND POSN. BR STD.
POSITIONS BELOW THIS POINT ARE IN DEGREES, MINUTES AND DECIMALS OF A MINUTE
**5.4.04 EUT POSN: 5551.772N, 0502.230W. BA 1867 [3RD EDN JAN '03].
Chart Symbol : OB 43.0
Date Last Amended : 05/04/2004
Date Position Last Amended : 05/04/2004
