Casualties unknown

Abnormal Runway Contact Involving Beechcraft 76 Duchess at Ponte de Sor Airfield (CS-DIZ)

Cascais, PT

On July 5, 2010, a DIAMOND DA42 (registration CS-DIZ) operated by Private was involved in an aviation accident near Cascais, PT. This summary draws on records from the Portuguese Office for the Prevention and Investigation of Accidents in Civil Aviation and Rail (GPIAAF); 8 related events involving the same aircraft type or operator are linked below.

Sourcesthe Portuguese Office for the Prevention and Investigation of Accidents in Civil Aviation and Rail (GPIAAF)Primary reportUpdated 2026-10-18Data APIEditorial standards

On 12 February 2018, a Beechcraft 76 Duchess operated by Escola de Aviação Aerocondor experienced an abnormal runway contact at Ponte de Sor Airfield, Portugal. The GPIAAF published a final safety investigation report on the occurrence.

Accident Overview

On 12 February 2018 at 16:40 UTC, a Beechcraft 76 Duchess, registration CS-DCS, operated by Escola de Aviação Aerocondor S.A., was involved in an abnormal runway contact (ARC) at Ponte de Sor Airfield in Portalegre, Portugal. The occurrence was classified as an accident under investigation by the Portuguese Office for the Prevention and Investigation of Accidents in Civil Aviation and Rail (GPIAAF).

Investigation Report

The GPIAAF published a final safety investigation report (reference 01/ACCID/2018) on July 5, 2019, with a revision on December 18, 2020, that added two similar events. The report was produced in accordance with ICAO Annex 13 and EU Regulation No. 996/2010, with the sole purpose of preventing future accidents. It does not apportion blame or liability.

Report Structure

The final report includes sections on factual information, analysis, conclusions, and safety recommendations. The factual information covers the history of the flight, injuries to persons, damage to the aircraft, personnel information (including flight crew qualifications and experience), aircraft information (certification, characteristics, airworthiness and maintenance, landing gear system, weight and balance), meteorological information, aids to navigation, communications, aerodrome information, flight recorders, wreckage and impact information, and survival aspects. The analysis section examines the evidence, followed by conclusions that state the findings of the investigation. The report also contains safety recommendations aimed at preventing similar occurrences.

Findings and Recommendations

While the provided source does not disclose the specific causes or recommendations, the report's conclusions and safety recommendations are part of the full document. The investigation emphasized the importance of understanding the circumstances of the abnormal runway contact to enhance aviation safety.

Additional Context

The report notes that the accident occurred during daylight hours at a non-controlled airfield. The aircraft was a twin-engine Beechcraft 76 Duchess, a common training aircraft. The operator, Escola de Aviação Aerocondor, is a Portuguese flight school. The GPIAAF conducted a thorough investigation, gathering evidence from multiple sources, including operator and regulatory authorities.

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Frequently asked questions

What happened in the 5 Jul 2010 DIAMOND DA42 accident near Cascais, PT?

On 12 February 2018, a Beechcraft 76 Duchess operated by Escola de Aviação Aerocondor experienced an abnormal runway contact at Ponte de Sor Airfield, Portugal. The GPIAAF published a final safety investigation report on the occurrence.

What aircraft was involved and where did it happen?

The accident on 5 Jul 2010 involved a DIAMOND DA42, registration CS-DIZ, operated by Private, at Cascais, PT.