There could be a supporting character, like a friend or family member of the main character. This person might offer emotional support or be a sounding board for the main character's ideas about flight. They could also get caught up in the adventure and mystery surrounding the secrets of flight.
I'm not sure as I haven't read the book specifically. But typically in a novel about the secrets of flight, there could be an inventor or scientist type of character who is obsessed with understanding flight.
There might also be a pilot character. This person could be involved in testing out the theories related to the secrets of flight. They could provide a practical perspective compared to the more theoretical inventor or scientist.
Perhaps there is a theme of mystery as well. The 'secrets' in the title suggest that there are elements that are not immediately known or understood. This mystery could drive the plot forward as the characters strive to solve it.
I'm not entirely sure, but it probably has pilots as main characters since it's about flight operations.
I don't know for sure since I haven't read it, but it could be a pilot as a main character. Pilots often play crucial roles in flight - related stories.
There could be a heroic figure like a fearless pilot who has to deal with the challenges of this last flight. And perhaps there's a mysterious passenger who holds the key to some secrets related to the flight. There might also be a crew member who is having second thoughts about their job during this last flight.
Since I haven't read it, I can't say for sure. But I assume the raven is a main character. There might also be other animals or people that the raven interacts with.
I don't know for sure as I haven't read it. But they could be pilots or adventurers.
I don't know for sure as I haven't read the graphic novel. But it could be the pilot, the co - pilot, and some passengers who play significant roles in the events of flight 33.
I don't know as I haven't read it. Maybe there's a traveler who has been away for a long time.
I'm not sure as I haven't read it, but it could be the angels themselves. There might be a lead angel who is guiding the flight or has a special mission.
Some of the main characters in 'alpha flight graphic novel' could be Guardian. He is often a central figure with leadership qualities.