Notice to Mariners No 97 of 2026 (Temp)

Wednesday 11 November 2026

HARBORS AND NAVIGATION ACT 1993

Notice to Mariners No. 97 of 2026 (Temp)

Former Notice 61 of 2026 (Temp)

SOUTH AUSTRALIA – SPENCER GULF - PORT LINCOLN – BILLY LIGHTS POINT – VESSEL EXCLUSION ZONE

Mariners are advised that there will be an exclusion zone to the South of Billy Lights Point, Port Lincoln as bounded by the following positions:

Dredge Works

• Shore Pt 1 –   34° 45’ 09” S / 135° 53’ 05” E
• Shore Pt 2 –   34° 45’ 10” S / 135° 53’ 03” E
• MB 01 –          34° 45’ 24” S / 135° 53’ 15” E
• MB 02 –          34° 45’ 34” S / 135° 53’ 09” E
• MB 03 –          34° 45’ 44” S / 135° 53’ 03” E
• MB 04 –          34° 46’ 01” S / 135° 52’ 54” E
• MB 05 –          34° 45’ 54” S / 135° 52’ 36” E
• MB 06 –          34° 45’ 43” S / 135° 52’ 42” E

The area will be marked with yellow surface buoys with White flashing light Fl W 5s range 1-2 nautical miles.

The Exclusion zone in place has been extended until June 2027.

Mariners are advised to navigate with caution when in the area.

Charts affected:

Paper - AUS134, AUS343, AUS485, AUS776, AUS4060, AUS4709

ENC – AU5PRb01, AU435135, AU240130, AU160120

NP13 - Australian Pilot vol 1

Gordon Panton

Manager Marine Safety and Compliance

Department for Infrastructure and Transport

11 November 2026

DIT 2017/02277/01

www.marinesafety.sa.gov.au