Derivatives / Succeeded by 2007 Modified River class -- Port of Spain class 2012 Amazonas class -- River (Batch 2) class 2013 Modified River class Specifications Aircraft Typical Max Landing platform only. No hangar Shipyards Vosper Thornycroft - Woolston2 List of Ships Filter: AllBH - Royal Bahrain Naval Force .......... 1BR - Brazilian Navy .......... 3TH - Royal Thai Navy .......... 1TT - Trinidad and Tobago Coast Guard .......... 3UK - Royal Navy .......... 8 Hide Transfers Hide derivatives ----Trinidad and Tobago Coast GuardPort of Spain class Port of Spain2012-- Amazonas class Brazilian Navy P120 BNS Amazonas ----Trinidad and Tobago Coast GuardPort of Spain class Scarborough2012-- Amazonas class Brazilian Navy P121 BNS Apa ----Trinidad and Tobago Coast GuardPort of Spain class San Fernando2013-- Amazonas class Brazilian Navy P122 BNS Araguari 20032017Royal NavyP282HMS SevernGBSK2003--Royal NavyP283HMS MerseyGBSY2007--Royal NavyP257Modified River class HMS ClydeGXRS - CD2020-- Royal Bahrain Naval Force 80 RBNS Al Zubara 2013--Royal Thai NavyOPV 551Modified River class HTMS KrabiHSNK2018--Royal NavyP222River (Batch 2) class HMS ForthGFTH2019--Royal NavyP223River (Batch 2) class HMS Medway GMED - MW2020--Royal NavyP224River (Batch 2) class HMS TrentGTNT2020--Royal NavyP233River (Batch 2) class HMS Tamar GTMR - TM2021--Royal NavyP226River (Batch 2) class HMS SpeyGSPY12 units Events 2001-aprOrderedOrdered P283 HMS Mersey 2001-aprOrderedOrdered P282 HMS Severn 2002-dec-04LaunchedLaunched P282 HMS Severn 2003-jun-14LaunchedLaunched P283 HMS Mersey last steel ship to be built at the Woolston yard. 2003-jul-31CommissionedCommissioned P282 HMS Severn 2003-nov-28CommissionedCommissioned P283 HMS Mersey 2015-jan-18Port VisitPort Visit P282 HMS Severn Three day visit to Grand Cayman, including anti-narcotics conference. 2016-jan-24Port VisitPort Visit P282 HMS Severn visit to London for 150th anniversary of the London Fire Brigade. Departed 27 Jan. 2016-marPort VisitPort Visit P283 HMS Mersey Visited Cayman Islands and came alongside in Grand Cayman. 2017-oct-27DecommissionedDecommissioned P282 HMS Severn at South Railway Jetty in HMNB Portsmouth 2018-novRefitRefit P283 HMS Mersey Refit to modernise and extend service life. 2019-mayRefitRefit P282 HMS Severn Refit for planned recommissioning, some time in 2020. 2019-sepPort VisitPort Visit P283 HMS Mersey visited Douglas IoM, during UK Fishery Protection assignment. 2020-sep-07Port VisitPort Visit P282 HMS Severn visited Aberdeen 2024-jun-08 P282 HMS Severn tied up alongside at HMNB Portsmouth