AAIB

AAIB may refer to:

==Aircraft accident investigation organizations== Air Accident Investigation Bureau (Malaysia), an agency of the Ministry of Transport (Malaysia) Air Accident Investigation Bureau (Mongolia), a branch of the government of Mongolia Air Accident Investigation Bureau of Singapore, a statutory board of the Ministry of Transport in Singapore Air Accidents Investigation Branch, a branch of the Department for Transport in the United Kingdom Aircraft Accident Investigation Board (Iceland), a branch of the government of Iceland Aircraft Accident Investigation Bureau (India), a branch of the government of India Aircraft Accident Investigation Bureau (Switzerland), a former branch of the government of Switzerland