Notice to Mariners No 50 of 2025 (Temporary)

Monday 4 August 2025

HARBORS AND NAVIGATION ACT 1993

Notice to Mariners No. 50 of 2025 (Temporary)

SOUTH AUSTRALIA – SPENCER GULF – PORT BROUGHTON – MISSING AND DAMAGED TOPMARKS ON NAVIGATION BEACONS

Mariners are advised that the following topmarks on the navigation beacons marking the channel into Port Broughton are either missing or damaged:

Beacon

No

Type

Latitude

Longitude

12

Port

33° 34’ 03.92” S

137° 53’ 34.87” E

15

Starboard

33° 34’ 13.15” S

137° 53’ 49.70” E

47

Starboard

33° 34’ 53.59” S

137° 55’ 35.56” E

49

Starboard

33° 34’ 59.56” S

137° 55’ 34.23” E

51

Starboard

33° 35’ 07.84” S

137° 55’ 30.82” E

53

Starboard

33° 35’ 14.46” S

137° 55’ 28.09” E

The topmarks will be replaced in the near future.

Mariners are advised to navigate with caution in the area.

Charts affected:        AUS485, AUS778, AUS4060, AUS4709

ENC PACK AUST1, CST09, PT514, PT516, VOY03, VOY04

GORDON PANTON

Manager Marine Safety and Compliance

Department for Infrastructure and Transport

4 August 2025

2017/02277/01

www.marinesafety.sa.gov.au