State Commission on Aircraft Accidents Investigation (SCAAI,[1] Polish: Państwowa Komisja Badania Wypadków Lotniczych, PKBWL) is the civil air accident investigation agency of Poland and a division of the Ministry of Infrastructure.

[2] The mission of PKBWL is to contribute to the improvement of safety in civil aviation by investigating accidents and serious incidents in order to determine their causes and propose actions to prevent similar occurrences in the future.

4.1. of Regulation (EU) No 996/2010 of the European Parliament and of the Council of 20 October 2010 on the investigation and prevention of accidents and incidents.

[3] The Commission consists of a Chairman, two Deputy Chairmen, the Secretary and other members who are appointed by a minister responsible for transport for a term of 4 years.

PKBWL investigation is separated and independent from any judicial or administrative proceedings that aim to apportion blame or liability.