The first diesel-engined airship: power and control in R101. Illustrations of some of the features of R101: a power car, the chart room, and mooring arrangements. The Illustrated London News states that "every precaution has been taken to guard against the possibilities of fire, and for the first time petrol engines have been superseded by engines burning heavy fuel oil" diesel which is less flammable. However this did not stop the R101 from crashing near Beauvais, France, on its mai