Parachuting... Standard practice..
Airborne
Flaps Retracted
Power Set
Temps and Pressures in the greens
Parking Brake ON..
Them meatbombs love to climb over the gear on their way out or even stand on them now and then.. they get pi$$ed off when they stand on the gear and the wheel throws em off..
Hence landing with the parking brake on is not a good way to impress the boss...