The three main types of airships are rigid, semi-rigid, and non-rigid. Non-rigid airships are what people commonly call blimps. Blimps rely on internal pressure to maintain their shape.

Notable mentions here include the semi-rigid Zeppelin NT, the hybrid Airlander 10, and more recently LTA’s rigid Pathfinder 1, which as the name suggests is a pathfinder airship. Of these the ...

Brin's interest in airships seems to have begun in 2012 around the same time as a modern semi-rigid Zeppelin NT (New Technology) airship began tourist flights from Moffett Field. The following ...