What happened
On November 24, 2020, at 17:20 local time, a Tecnam P2006T, registration EC-NKF, was involved in an accident during a dual flight training session at Burgos Airport. The flight, operated by Flybai, S.L., consisted of a series of take-offs and landings.
During the tenth maneuver of the session, while landing on runway 22, the aircraft made contact with the runway surface on its fuselage rather than its wheels. The aircraft slid along the pavement for approximately 130 meters, coming to a stop 600 meters from the runway threshold. There were no injuries to the instructor or the student on board, and both occupants evacuated the aircraft on their own.
The investigation
The investigation focused on the configuration of the landing gear at the moment of impact. While the instructor reported that the final checklist had been completed and that the three green lights (indicating the gear was down and locked) had been confirmed, the physical evidence suggested otherwise.
Post-accident inspections of the Tecnam P2006T revealed that the nose gear doors were semi-open and the main landing gear doors were open, with the gear in the retracted position. Drag marks on the runway were parallel, consistent with the wheel hubcaps scraping the pavement.
Technical testing of the aircraft's hydraulic system in a hangar demonstrated that the landing gear functioned correctly. Multiple extension and retraction cycles were performed without any mechanical or hydraulic failures, and the cockpit indicator lights functioned as intended. The investigation concluded that the gear was not extended in time to complete the deployment process, which requires approximately 20 seconds under normal conditions.
Findings
- The primary cause of the accident was the incorrect execution of landing procedures, which resulted in the aircraft landing with the gear not fully extended.
- The landing gear system was fully operational, and the cockpit indicators were functional.
- The crew failed to correctly perform the final checklist item regarding the landing gear configuration.
- The aircraft suffered significant damage to the lower fuselage, nose gear doors, and main gear wheel hubs.