In addition to building and equipping vertiports in Rome's city center and airports, the partners have plans for ground infrastructure in Venice and in France's Cote d'Azur region.
Bombardier today celebrated the grand opening of its expanded service in Singapore, and plans grand openings for another three service centers this fall.
The Denver-based start-up intends to launch a Series A funding round this year to support its ambitious plans to overtake major aircraft engine makers in power output and system redundancy.
The aircraft engine maker says it sees hydrogen as "the fuel of the future" and wants to be involved in its production as part of longer-term plans to move aviation away from fossil-fuel dependence.