A simple Tweet and they are gone.

They are survived by Wisk with whom they shared a relationship.

Physics is a tricky thing as many AAM companies are finding. I still believe these startups should have bet on cargo delivery of up to 150kg and built their technology and safety cases around that. Ramping up to manned flight as airspace, charging and autonomy are resolved.

If I had money to place, I would bet on companies that have started that way.

I do have a soft spot for Wisk though.

By Gary Mortimer

Founder and Editor of sUAS News | Gary Mortimer has been a commercial balloon pilot for 25 years and also flies full-size helicopters. Prior to that, he made tea and coffee in air traffic control towers across the UK as a member of the Royal Air Force.