Defence trial – Thistle Island, Spencer Gulf

18 August 2014

Mariners are advised that defence trials involving a submarine will be carried out in this area from 0600hours (6:00 AM) Wednesday 20 August 2014 to 1800 hours (6:00 PM) Sunday 24 Aug 2014.

Designated area R246 is bounded by a circle of radius 2 nautical miles cantered on a position Lat: 35° 00’05.706" South and Long: 136° 15’08.1603" East and also links between the circle and Thistle Island.

Call sign "Navy Range Control" at Thistle Island may be contacted on VHF Marine band 69 whilst trials are underway.

Mariners are further advised to use extreme caution while navigating in the vicinity of the Defence Practice area and where possible to keep clear of the area at all times.

Vessels entering this defined area during the above period are liable to prosecution.

Charts affected: Aus 134, 343, 345 and 776.
Publication affected: Australia pilot Vol 1, (Third Edition 2011) Page 357.