I'm sure this project will see the light of day.Here are a bunch of interesting situations that can be implemented in first person gameplay.
1.Scramble:
It would be real fun to take part in a small minigame(Chess,cards) with your squadron mates and then suddenly hearing the scramble siren.The players could run to the gear bay and then to their aircraft parked at the flight line.
2.Airfield under Fire:
The airbase is under attack from both aerial and ground based elements.Run,Hide,Fight and do pretty much everything you can to survive.
3.Crash:
A friendly plane has crashed inside the airbase vicinity.Race along with the medical crew towards the wreckage.Evade smoke and fire to rescue the trapped crew.(The time taken to complete the mission could determine the casualties:more time taken,more dead).
4.S.A.M control:
An enemy flight is inbound to attack your airbase.The S.A.M crew have either been killed or are injured or are missing a few members.As a pilot,take control of the S.A.M batteries and bring down or chase away the intruding flight(s).
Well,these are most of the common scenarios which can be implemented on the ground.I'm sure a lot of people have better ideas.Good Luck!