Yes they are and why not.Looks like they have the financial backing.
The airline has the backing of US private investment firm 777 Partners, which announced in March the addition of 24 737-8s to the firm’s aviation portfolio, with purchase rights for an additional 60 aircraft.
The Miami-based company said it would place the single-aisle planes with its “growing portfolio of low-cost carrier investments around the world”, so you can only assume some of them will be for Bonza.