What happened
On 12 December 2010, at approximately 09:39 UTC, a Rotax 912-UL powered EV-97 TeamEurostar UK, registration G-CDOA, was involved in an accident at City Airport (Manchester Barton). The pilot was performing an engine start sequence using a checklist in cold weather conditions.
During the procedure, the pilot mistakenly moved the throttle fully forward, believing this was the required position for the checklist stage. Upon pressing the starter button, the engine ignited and immediately surged to full power. This sudden acceleration caused the aircraft to lurch forward, prompting the pilot to apply the toe brakes. The aircraft then turned sharply to the left, causing the right wing to strike a hangar door. The momentum of the movement caused the left wing to collide with a parked, empty microlight located outside the open hangar.
In the immediate aftermath, the pilot attempted to locate the magnetos to shut down the engine. Before this could be achieved, the engine stopped. The pilot, who was unhurt, subsequently switched off the magnetos and battery before exiting the aircraft.
The investigation
The investigation examined the sequence of events and the pilot's actions during the start-up procedure. It was established that the aircraft sustained damage to the fuselage, both wings, the engine frame, and the propeller. Additionally, the hangar door and a parked microlight were damaged. The investigation focused on the pilot's error regarding throttle positioning and the lack of familiarity with the specific aircraft controls, as the pilot had only one hour of experience on this particular type.
Findings
- The primary cause of the accident was the pilot's error in advancing the throttle to the full forward position under the mistaken belief that it was the correct procedure.
- The pilot's haste to start the engine in cold weather contributed to the error.
- A lack of familiarity with the aircraft's control configuration played a role in the incorrect handling of the throttle.