MARINE NOTICE No 75 of 2021
Shannon Navigation
Diving operations – Portumna and Ballymacegan Island Areas
Monday 11 to Sunday 17 October 2021
Waterways Ireland wishes to advise Masters of Vessels on the Shannon Navigation that the Underwater Archaeology Unit of the National Monuments Service will be carrying out diving operations from Monday 11th to Sunday 17th October 2021 in the following locations:
- Portumna: From 500 metres North of Portumna bridge to Lough Derg
- Ballymacegan Island, within the old navigation channel. Ballymacegan Island is 7km north of Portumna bridge.
All vessels are asked to take additional care when underway in these areas. A safety boat will be in attendance and Flag Alpha will be flown during diving operations.
Waterways Ireland thanks its customers for their understanding in relation to this matter.
P Harkin
Inspector of Navigation
07 October 2021