If a seafarer is dismissed and repatriated to the UK from an overseas port, how could the master help the employer recover some of the repatriation costs?

If the Crew Agreement is a BSF Agreement, or an additional clause has been inserted in an NFD agreement so as to permit it, the master could deduct a sum from the seafarer's wages equal to the actual cost of his repatriation, or to one week's pay, whichever was the lower sum.