abbreviation
Air Accident Investigation Branch

The Air Accidents Investigation Branch (AAIB) investigates all the air accidents in the United Kingdom. It is a branch of the Department for Transport and is based on the grounds of Farnborough Airport near Aldershot, Hampshire.

reference

• 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, a branch of the government of Iceland
• Air Accident Investigation Bureau (Mongolia), a branch of the government of Mongolia
• Aircraft Accident Investigation Bureau, a branch of the government of India
• Aircraft Accident Investigation Bureau, a former branch of the government of Switzerland