sullom voe tirrick

Another of the Sullom Voe Harbour tugs, and again named after a bird, in this case Tirrick being the Shetland term for an Arctic Tern. It's policy for all tankers to be escorted to/from Sullom Voe through Yell Sound. Normally 4 tugs are taken for vessels inbound, with 2 outbound. The Rannoch always