| Name: | ORBY | 
| Type: | Mineweeper | 
| Keel: | |
| Launched: | 22/10/1918 | 
| Completed: | 11/1918 | 
| Builder: | Swan, Hunter & Wigham Richardson Ltd | 
| Yard: | Neptune Yard, Low Walker | 
| Yard Number: | 1070 | 
| Dimensions: | 1320disp, 258.0 x 35.0 x 10.5(draft)ft | 
| Engines: | T4cyl (20.5, 33, 33 & 37 x 30ins), 2500ihp, 207nhp | 
| Engines by: | Swan, Hunter & Wigham Richardson Ltd | 
| Propulsion: | 1 x Screw, 17.0knots | 
| Construction: | Steel | 
| Armament: | 2 x 1 x 4.0ins guns; 39 x depth charges | 
| History: | |
| 11/1918 | British Royal Navy | 
| 15/11/1922 | Broken up | 
| Comments: | A member of the 24 Class, named after winning horses of the Epsom Derby | 
| They were designed to appear double ended to confuse U-Boats | |
| 15/11/1922: Sold for breaking up to Ferguson Muir | |
| NOTE: Engine details above are as for sister MINORU | 

Above photo is for illustration and shows sister ship SIR BEVIS. Photo copyright of The Imperial War Museum