Notice to Mariners No 23 of 2025 (Temporary)

Friday, 7 March 2025

HARBORS AND NAVIGATION ACT 1993

Notice to Mariners No. 23 of 2025 (Temporary)

SOUTH AUSTRALIA – SPENCER GULF – WHYALLA – GEOTECHNICAL INVESTIGATIONS

Mariners are advised that there will be geotechnical investigations operating off Mullaquana from early March 2025 to early July 2025.

Mullaquana Locations-

33° 13' 56.16'' S 137° 26' 45.74'' E

33° 14' 08.72'' S                                 137° 27' 31.71" E
33° 14' 27.82" S                                 137° 28' 42.35" E
33° 14' 03.16" S                                 137° 27' 00.83" E
33° 14' 09.15" S                                 137° 27' 18.78" E
33° 14' 15.13" S                                 137° 27' 36.72" E
33° 14' 35.47" S                                 137° 28' 37.75" E

33° 14' 21.23" S                                 137° 27' 56.08" E
33° 14' 28.74" S                                 137° 28' 18.58" E
33° 14' 25.61" S                                 137° 28' 09.18" E
33° 14' 28.00" S                                 137° 28' 16.36" E

Mariners are advised to navigate with caution in the area.

Charts affected: AUS136, AUS485, AUS778, AUS4709

ENC AU160120, AU240130, AU434137

GORDON PANTON

Manager Marine Safety and Compliance

Department for Infrastructure and Transport

07 March 2025

DIT 2017/02277/01