Airships in general didn't take off because of the high rate of accidents. Almost every major airship from 1900-1940 crashed after a few years of service. It's

Airships in general didn't take off because of the high rate of accidents. Almost every major airship from 1900-1940 crashed after a few years of service. It's only now that we have better weather info and new materials that anyone is taking them seriously again.