AAIB Inspectors fall into one of three categories:
Operations Inspector - must hold a current Airline Transport Pilot Licence with a valid Class I medical certificate. Able to offer appropriate command experience on fixed-wing aircraft or helicopters. Broad-based knowledge of aviation.
Engineering Inspector - must hold an engineering degree and/or be a Chartered Engineer with a minimum of 5 years' post qualifications experience. Knowledge and experience of modern aircraft control systems.
Flight Recorder Inspector - degree level in electronics/electrical engineering or an aeronautical engineering related subject and/or is a chartered member of a relevant engineering institute with 8 years' experience since qualifying. Knowledge and experience of modern avionics.