R26

The first British airship designated under the new system of adding an "R" prefix rather than an "r" suffix for rigids and had the benefit of only being in the early stages of construction when the weight problems with her sisters were discovered, allowing weight-saving measures to be implemented from the outset.

1917 Improved version of the R9 airship. 997,500 cubic feet and a length of 535 feet. Fitted with 1,000 hp engines and had a speed of 55 mph and disposable weight of 6 tons.