0%? Bullshit. It's really not that hard, the regulations are very well documented and commented from all possible angles. They will happily consult with you about their needs, just ask the appropriate person at a conference.

The buyers are actively looking for new options. They were practically begging us to consider entering the market at EBACE past few years, but we're working with business jet operators only now.

7 years ago we didn't know anything about aviation. Was much easier to learn than other verticals I worked in.