"The dog did it". That's what Civil Aviation Investigators have concluded in the case of the Piper 32-300 which buckled on the PG Runway yesterday. The plane is air ambulance form BERT, and it was headed to PG to pick up a patient with the pilot and a nurse on board. But when the plane was touching down, the landing gear stuck a dog, and as a result, the lending gear broke off the aircraft. No one was hurt.