Propeller strike and subsequent stall lead to loss of Fournier RF4D at Halesland Airfield

Casualties unknown • Haleshand Airfield, Somerset, GB

A private flight involving a Fournier RF4D ended in an aircraft accident at Halesland Airfield after a propeller strike led to an engine-stalling sequence.

What happened

On 24 August 2003, a Fournier RF4D, registration G-AVWY, was performing a private flight at Halesland Airfield in Somerset. Following a standard takeoff, the pilot accelerated the aircraft to 50 knots while maintaining an altitude of approximately five feet. During the process of retracting the landing gear, the pilot became distracted by a map interfering with the gear control lever. This distraction caused the aircraft to descend, resulting in the propeller striking the ground and sustaining damage to the tips.

In an attempt to recover, the pilot climbed to an altitude of roughly 10 feet. However, significant engine vibrations prompted the pilot to reduce the throttle. Finding insufficient runway to perform a straight-ahead landing, the pilot increased power to a level that mitigated vibration enough to clear a stone wall, intending to land in an overshoot field. While attempting to clear a fence within that field, the aircraft entered a stall and struck both the fence and the ground. The impact with a fence post caused damage to the right-hand wing root, and the aircraft eventually came to rest on its right side.

The investigation

The investigation examined the sequence of events following the initial propeller strike and the pilot's subsequent maneuvers. The inquiry established that the pilot had retracted the landing gear prematurely. Furthermore, the investigation looked into the aerodynamic performance of the aircraft during the final approach to the field, noting that the aircraft was operating at a higher all-up weight than usual, which influenced the stall characteristics during the maneuver.

Probable cause

The accident was caused by a sequence of events beginning with pilot distraction during gear retraction, which led to a propeller strike, followed by an aerodynamic stall during an emergency landing attempt due to an underestimation of the increased stalling speed at a higher weight.

Frequently asked questions

What happened in the 2003-08-24 FOURNIER RF4D accident near Haleshand Airfield, Somerset, GB?

A private flight involving a Fournier RF4D ended in an aircraft accident at Halesland Airfield after a propeller strike led to an engine-stalling sequence.

What aircraft was involved and where did it happen?

The accident on 2003-08-24 involved a FOURNIER RF4D, registration G-AVWY, at Haleshand Airfield, Somerset, GB.

What was the probable cause of the accident?

The accident was caused by a sequence of events beginning with pilot distraction during gear retraction, which led to a propeller strike, followed by an aerodynamic stall during an emergency landing attempt due to an underestimation of the increased stalling speed at a higher weight.

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