In May 2009, mediation between the Ministry of Defence and BAE Systems commenced, with the main issue being the estimated 300 tonnes increase in weight which could cause potential hazard when OPVs are in ice in Antarctica as the weight increased over the life of the vessels.
I maj 2009 begyndte de endelige forhandlinger mellem forsvarsministeriet og BAE Systems, hovedspørgsmålet var en forventet 300 tons forøgelse i deplacementet som kunne have alvorlige konsekvenser hvis skibet befandt sig i isen ved Antarktis.