Document Overview
The Gabinete de Prevenção e Investigação de Acidentes com Aeronaves e de Acidentes Ferroviários (GPIAAF), the Portuguese state body responsible for investigating civil aviation and rail accidents, has published a safety study titled "Safety study on general aviation events ALTO – Approach, landing and Take-off Accidents (2011 to 2021)" (document ID 2021-SS-01, dated 2021-11-05). The study aims to present information to assist in the prevention of accidents and incidents in national general and light sport aviation.
Scope and Content
The study focuses on approach, landing, and take-off events, as indicated by the acronym ALTO. It covers occurrences from 2011 to 2021. The document includes a glossary defining terms such as AFIS, APAPI, ATO, ARC, RE, and others relevant to general aviation safety. The study is structured into chapters including a national perspective, selected events, latent conditions, decision-making processes, consequences, and main conclusions.
Selected Events
Annex I lists specific ALTO events with references to aircraft registrations. The listed events include:
- Event 05/ACCID/2011 CS-DIN
- Event 11/ACCID/2011 CS-ASQ
- Event 15/INCID/2011 CS-AHW
- Event 17/INCID/2011 CS-ADF
- Event 18/INCID/2011 CS-UQD
- Event 21/INCID/2011 CS-USR
- Event 03/INCID/2013 G-AWXR
- Event 05/INCID/2013 CS-XAB
Further event details are not provided in the source excerpt.
Publication and Language
The study is published in two languages: Portuguese and English. According to the foreword, in case of discrepancies between versions, the Portuguese text prevails. The document is available from GPIAAF at their Lisbon address. The foreword also states that GPIAAF operates independently from safety authorities, regulatory bodies, and other parties whose interests may conflict with its tasks.
Status of the Study
This safety study is a technical document intended solely for accident prevention. It does not aim to apportion blame or liability, in accordance with ICAO Annex 13, EU Regulation No. 996/2010, and Portuguese Decree-Law nr. 318/99.