| Name: | MEDWAY DOCK or AFD4 |
| Type: | Floating Drydock |
| Keel: | 28/05/1910 |
| Launched: | 04/01/1912 |
| Completed: | 06/1912 |
| Builder: | Swan, Hunter & Wigham Richardson Ltd |
| Yard: | Wallsend |
| Yard Number: | 867 |
| Dimensions: | 680.0 x 107.0 x 36.0ft; 32,000 tons lifting capacity |
| Engines: | None |
| Engines by: | n/a |
| Propulsion: | None |
| Construction: | Steel |
| Armament: | n/a |
| History: | |
| 06/1912 | British Royal Navy |
| 1946 | Metal Industries, Faslane |
| 1948 | Rotterdam Dry Dock, Rotterdam; renamed PRINS BERNHARD DOCK (or NO 8) |
| 1984 | Gotaverken Finnboda, Stockholm |
| 1994 | Bergen Group Shipyard, Laksevag, Bergen |
| 2017 | Coast Center Base AS, Aagotnes |
| No later history known | |
| Comments: | Lifting capacity of 33000tons |
| Dimensions: overall length, width between walls & max internal draft | |
| Assigned Admiralty pennant number AFD4 | |
| 1912: Based at Sheerness | |
| 1915: Based on the Tyne at the Jarrow Slake | |
| 1923: Based at Portland | |
| 1925: Based at Devonport | |
| 09/1941: Based on the Clyde | |
| 1991: Gotaverken Finnboda declared bankrupt | |
| 25/11/2018: Sank at Aagotnes |
Ready for leaving Wallsend. This photo is often wrongly identified as the Callao Dock of 1908. Photo copyright of Tyne & Wear Museums
Photo thought to be of battleship ST VINCENT in the dock
Photo thought to be of battleship ROYAL OAK in the dock
Photo of AFD4 at the Jarrow Slake in about 1919. Courtesy of Kevin Blair
Photo thought to be AFD4 under tow to Portland
German WW1 battlecruiser DERFLINGER for scrapping in the dock
Arriving at Rotterdam to be the PRINS BERNHARD DOCK
Whilst at Rotterdam with the aircraft carrier KAREL DOORMAN docked
Photo taken in Bergen on 16/06/2011. Copyright John Oram
Photo taken at Aagotnes by Morten Wanvik, courtesy of Torstein Saksvik
Photo taken at Aagotnes by Morten Wanvik, courtesy of Torstein Saksvik
The Times, Wednesday, 26/06/1912