After looking at the photos, I would comment that after hitting the power line, the pilot had little choice where the aircraft was going to finish up, he had just become a passenger. Thanks should go to the Cessna designers that designed the Cessna single engine aircraft with the passenger module the strongest part of the aircraft. No doubt the force landing check was carried out and the tightened seat belts prevented serious injury to the occupants.
Bad news for the GA operators in Darwin business wise.