BIH was created in 1986 when British Airways Helicopters was privatisated.
In 1994 was bought by CHC and renamed Brintel Helicopters remaining the S-61 operating at Penzance Heliport.
In 1999 took control of Danish Maersk Air operations
The company has operated the Royal Navy Flag Officer Sea Training (FOST) programme and also supported the British forces in the Falklands (Malvinas) islands surrounding areas.
In Apr 2010, BIH celebrated carrying 4 million passengers between Penzance and the Isles of Scilly.
In May 2013 was acquired by Patriot Aerospace, part of The Rigby Group and owner of Veritair
In 2022 was acquired by Bristow.
Aug 3, 2022 · Bristow completed acquisition of British International Helicopter (BIH) which will adopt the name and brand throughout its operations supporting UK Ministry of Defence (MOD) .
Jul 14, 2021 · British International Helicopters (BIH) in 5-year extension partnership with HeliSpeed for the search and rescue (SAR) MoD contract in the Falkland Islands (Islas Malvinas)
Apr 1, 2016 · AW189 and S-61N from AAR, BIH and Air Rescue Systems (ARS) commenced Search and Rescue (SAR) and Support Helicopter (SH) services to the British Forces South Atlantic Islands (BFSAI) operations.
Jan 19, 2015 · AAR Corp and BIH gets 10-year UK Ministry of Defence Search and Rescue and Support contract for the Falkland/Malvinas Islands with AW189 and S-61 helicopters from April 2016 valued $275 million