Background
The Office for the Prevention and Investigation of Accidents in Civil Aviation and Rail (GPIAAF) is the Portuguese state body responsible for investigating civil aviation and rail accidents. Its safety investigations are technical processes conducted solely for accident prevention, not to apportion blame or liability. This safety study is published in both Portuguese and English, with the Portuguese version prevailing in case of discrepancies.
Scope of the Study
The study, titled "Approach, Landing and Take-Off (ALTO) Accidents (2011 to 2021)", focuses on general aviation events occurring during these critical flight phases. It covers national general and light sport aviation. The document includes a glossary of relevant terms and abbreviations, such as ARC (Abnormal Runway Contact), RE (Runway Excursion), and PIO (Pilot Induced Oscillation).
Document Structure
The study is organized into several chapters: a national perspective, selected events, latent conditions, decision-making process, and consequences. It also includes an annex (Annex I) listing specific ALTO events, identified by registration marks such as CS-DIN, CS-ASQ, CS-AHW, CS-ADF, CS-UQD, CS-USR, G-AWXR, and CS-XAB.
Publication Details
The study was published on 2021-11-05 under document ID 2021-SS-01. It is intended to assist in the prevention of accidents and incidents in national general and light sport aviation.