Introduction
The Gabinete de Prevenção e Investigação de Acidentes com Aeronaves e de Acidentes Ferroviários (GPIAAF) published Safety Study 2021-SS-01 on November 5, 2021. The study, titled "Safety study on general aviation events ALTO – Approach, landing and Take-off Accidents (2011 to 2021)," aims to present information to assist in the prevention of accidents and incidents in national general and light sport aviation.
Study Overview
The ALTO study covers events occurring between 2011 and 2021. It is published in both Portuguese and English, with the Portuguese text prevailing in case of discrepancies. The document includes sections on the safety study framework, national perspective, selected events, latent conditions, decision-making processes, consequences, and main conclusions.
Examined Events
The study examines multiple accidents and incidents, each identified by a unique event number and aircraft registration. The events listed in the annex include:
- Event 05/ACCID/2011, registration CS-DIN
- Event 11/ACCID/2011, registration CS-ASQ
- Event 15/INCID/2011, registration CS-AHW
- Event 17/INCID/2011, registration CS-ADF
- Event 18/INCID/2011, registration CS-UQD
- Event 21/INCID/2011, registration CS-USR
- Event 03/INCID/2013, registration G-AWXR
- Event 05/INCID/2013, registration CS-XAB
These events are categorized as either accidents (ACCID) or incidents (INCID) and form the basis of the study's analysis.
Publication Details
The study was produced by GPIAAF, the Portuguese state body responsible for investigating civil aviation and rail accidents to identify causes and issue safety recommendations. The document is controlled under revision M40021-C R00 and is available from GPIAAF's Lisbon office.