"Never been an alcohol related accident in passenger transport"? Wrong. For instance this crash here, with 25 fatalities:
ASN Aircraft accident Douglas C-47A-30-DK (DC-3C) OH-LCC Koivulahti
The investigation report is available on the internet, albeit in Finnish only, and I can post the link if anybody wants to check, but, according to autopsies performed by the Pathology Dpt of the University of Helsinki, the captain had over 0.2 % alcohol in his blood and the copilot 0.156 %. Therefore the captain was at 4 times the present drink & drive limit and the copilot at 3 times the limit.