[InvisiBill]

Originally Posted by https://www.progressive.com/glossary/comprehensive-and-collision/

With Collision coverage, your insurance company pays for damage to your auto when you collide with another vehicle or object. If you hit a car, a pole or another nonliving object, Collision coverage will apply.

With Comprehensive coverage, your insurance company pays for damage to your auto caused by an event other than a collision, such as fire, theft or vandalism. If you hit an animal, or if your auto is flooded or stolen, Comprehensive coverage will apply.

Technically I guess it did collide with the ground, but generally Collision is when you have an "accident" of some sort. I'd personally be fighting any decision that an incident not involving a rider or another vehicle would somehow fall under Collision.