A sea captain has been convicted of being drunk while on duty on board a merchant ship coming into Belfast Lough.
Lithuanian national Eugenijus Tulauskas had been up to four times over the maritime limit when arrested in September last year.
Fining him £1,500, a judge pointed out that a pilot had to take control of the cargo vessel to ensure its safe passage into harbour.
The 44-year-old seaman, of no fixed abode, contested a charge of having excess alcohol while on duty as professional master of a ship.
His lawyers argued that he was not on duty at the time.
Belfast Magistrates' Court heard that an experienced pilot sent out to guide the ship into port thought he smelt alcohol on Tulauskas's breath.
He alerted Harbour Police who detained the defendant and took a breath sample.
Talauskas said at that stage he had not taken any alcohol in the previous four hours.
Ruling on the case, District Judge Amanda Henderson said: "I'm satisfied on the evidence that the defendant was not just master of the vessel but was on duty at the time."
Under legislation she could have imposed a maximum £5,000 penalty for the offence.
But a defence lawyer argued that the Tulauskas was aware of the pilot's actions and had congratulated him on his manoeuvres.
"It's not a case that he was totally incoherent," the barrister said.
"The pilot came out and through collaboration controlled the vessel the whole way in."
Tulauskas, a professional seaman with 17 years' experience, three of them as a ship's master, has since lost his job, the court heard.
Judge Henderson said: "If the defendant were in employment I would be looking at the upper region (of a fine)."
