Safety Issues Associated with Excessive Consumption of Alcohol The Directorate reminds all concerned parties of the Marine Safety Investigation Report No: 01/2018 and 10/2019. It highlights the possible safety issues related to imprudent consumption of alcohol on board merchant vessels and yachts while reminding that the maximum allowable limit is 0.05% or 0.25mg/L alcohol in the breath for Officers On Watch (OOWs). To read the complete Information Notice 29 Rev. 1, click here. Should you have any questions concerning this matter, please contact Dr Jotham Scerri-Diacono at Ganado Advocates. Go back