Incident Overview
A dual student pilot, who held a private pilot certificate with a single-engine land rating, was practicing touch-and-go landings at dusk. A certificated flight instructor occupied the right seat. During the final landing of the session, the aircraft touched down with excessive force.
Damage Assessment
A post-flight inspection revealed extensive structural damage. The main spars were bent beyond repair. Fuel was observed leaking from both engine gascolators. The wing skin exhibited wrinkling. Additionally, the emergency locator transmitter (ELT) was jarred from its mounting bracket and had activated.
Sequence of Events
The flight was conducted under the supervision of a flight instructor, with the student at the controls. The hard landing occurred on the last touch-and-go of the practice session. No other abnormalities were reported prior to the landing.