I'm betting this will involve certification for sure. Additionally, this will take a lot of money. When Count Zeppelin ran short of personal funds, he got permission to start a lottery which produced gobs of money quickly.
1. How do you fund a multi-occupant ( more than two I assume) airship?
2. How do you fund certification?
3. How many people need to be in a multi-occupant ship for it to pay for itself?
4. How do you control the CG shifts when junior runs back to the bathroom?