Incidente de entrenamiento del Ka 4 Rhönlerche II durante la aproximación en el aeródromo de Birrfeld
El 16 de julio de 1966, un Alexander Schleicher Ka 4 Rhönlerche II estuvo involucrado en un incidente en el aeródromo de Birrfeld, Suiza. Durante un vuelo de entrenamiento con doble mando, el alumno piloto realizó una maniobra evasiva, causando que la punta del ala izquierda tocara el suelo. El instructor no pudo intervenir a tiempo, lo que resultó en el impacto del planeador con el suelo. La aeronave sufrió daños significativos, pero no se reportaron heridos ni fallecidos.
- Training approach: During a dual-control instructional flight, the glider was being flown by the student under supervision of the instructor in the circuit at Birrfeld airfield.
- Student evasive maneuver: The student pilot initiated an evasive maneuver with the glider during the training flight.
- Left wingtip strikes ground: During the evasive maneuver, the left wingtip contacted the ground, upsetting the glider's attitude.
- Instructor unable to recover: The flight instructor attempted to intervene but was unable to regain control in time to prevent further loss of control.
- Crash - no injury: Following the wingtip strike, the glider impacted the ground and was significantly damaged, but no injuries occurred.