Lifeboats Roy Barker I Royal National Lifeboat Institution (RNLI) Trent Class 16 April 2017 ukemergency Roy Barker I Royal National Lifeboat Institution (RNLI) Trent Class Alderney’s lifeboat. A lifeboat has been based at Alderney since 1984. Prior to this, there was a 100 year gap since a lifeboat was based on this small Channel Island. Share Follow