Red sky, a start up airline or BLTA is a potential risk for equity players, not banks. The return from lending money is not near commensurate with the risk.
Outside of any acquisition costs, there is the required working capital, insurance....
Heck the merchant bank card processor will probably require $5 million cash to back stop charge backs, etc.
This doesn’t need $5-$10 million, it needs $20+ million.