What happened
During a routine training flight, the pilot experienced a loss of control over the aircraft. The plane subsequently impacted the water surface of the Hamble River in the vicinity of Bursledon. Following the crash, the airframe was recovered from the riverbed and assessed as destroyed. The sole occupant, the pilot, sustained serious injuries in the incident.
Findings
The available records indicate that the accident occurred while the aircraft was engaged in instructional maneuvers. No specific mechanical failures or external hazards are detailed in the provided source material, but the primary event was identified as a loss of control leading to a water impact.