Update - I loaded into any plane on ground, then I went back to main menu and selected the 700. I  saw someone else suggest trying to start in mid air. I did this and it loaded. I let it crash and it put me at the nearest airport after respawn. I was then able to fly the plane. I exited it out an chose another airport and it loaded just fine. I flew for a little bit and backed out to main menu. I then loaded the 550 and that is when it took about 8 minutes to load and it did. I was able to fly t