Just fill it up with hydrogen, that should do it.

Well everyone immediately thinks of the Hindenburg, but the Graf Zeppelin flew 1.7 million km and 590 flights over 9 years until it was scrapped for its aluminium.

https://en.wikipedia.org/wiki/LZ_127_Graf_Zeppelin

R101 ... didn't.

https://www.popularmechanics.com/flight/airlines/a16637939/b...

I think it even weighs less and the footage of burning airships makes great news...

Any sources / more info on that?

I've been looking into the airship question recently, raised the AV failure, wasn't aware of the cause.

https://mastodon.cloud/@dredmorbius/102054965695434021

A bit more to flesh that out:

https://mashable.com/2012/11/15/airship-ventures-zeppelin-br...