| Name: | PLANET MARS |
| Type: | Cargo Ship |
| Launched: | 28/04/1900 |
| Completed: | 06/1900 |
| Builder: | Northumberland Shipbuilding Co Ltd |
| Yard: | Howdon |
| Yard Number: | 83 |
| Dimensions: | 4327grt, 2833nrt, 360.0 x 48.0 x 20.2ft |
| Engines: | T3cyl (23.5, 39 & 66 x 48ins), 360nhp |
| Engines by: | Wallsend Slipway & Engineering Co Ltd, Wallsend |
| Propulsion: | 1 x Screw |
| Construction: | Steel |
| Reg Number: | 113368 |
| History: | |
| 06/1900 | Leyland Shipping Co Ltd (RW Leyland & Co), Liverpool |
| 1909 | Managers became JH Welsford & Co Ltd |
| 1910 | Renamed IKARIA |
| 30/01/1915 | Sank |
| Comments: | 30/01/1915: Torpedoed & sunk by U-Boat U20, 25 miles NW of Le Havre |
| On a voyage from Buenos Aires to Le Havre carrying general cargo |