| Prosser Plate | |||
| The Prosser Plate was originally presented to the Ajax Fleet | |||
| at the Royal Corinthian Yacht Club by Lionel Prosser in 1967. | |||
| Lionel was the original owner of Thunderer in 1967. | |||
| When the Burnham fleet dissolved, the Plate was returned. | |||
| The Plate was presented to the RHYC fleet in 1999 by | |||
| Jeremy Prosser following the death of his father, Lionel. | |||
| The Plate was presented to the winner of the | |||
| Harwich Regatta weekend until 2012. | |||
| From 2013 it was awarded for a "Short sharp series" of races on 1 day. | |||
| Year | Boat | Owner | |
| 1968 | Polly Oliver | D.G.Baldwin | |
| 1969 | Polly Oliver | D.G.Baldwin | |
| 1970 | Pickle | R.Walkin & A.Campbell | |
| RHYC Regatta | |||
| 1999 | |||
| 2000 | |||
| 2001 | |||
| 2002 | |||
| 2003 | Avocet | D Sharps & R Chenery | |
| 2004 | Avocet | D Sharps & R Chenery | |
| 2005 | Avocet | D Sharps & R Chenery | |
| 2006 | Guillemot | D Mayne & K Douglas | |
| 2007 | Avocet | D Sharps & R Chenery | |
| 2008 | Pegasus | D Kerridge | |
| 2009 | Guillemot | D Mayne & K Douglas | |
| 2010 | Mandalay | P Nicholls | |
| 2011 | Pegasus | D. Kerridge | |
| 2012 | Pegasus | D Kerridge | |
| Short Sharp Series | |||
| 2013 | Thunderer | J Williams | |
| 2014 | Thunderer | J Williams | |
| 2015 | Polly Oliver | M Clayton & B Portway | |
| 2016 | Thunderer | J Williams | |
| 2017 | Telamon | G Sutton | |
| 2018 | Thunderer | J Williams | |
| 2019 | Thunderer | J Williams | |
| 2020 | Not sailed because of Covid 19 Pandemic | ||
| 2021 | Thunderer | J Williams | |
| 2022 | Storm Petrel | J McKellar | |
| 2023 | Storm Petrel | J McKellar | |
| 2024 | Dionysius | P Mayhew | |
| 2025 | Thunderer | J Williams | |