BTR Aerospace Group was a group of four companies formed in 1985 by

BTR plc BTR plc was a British multinational industrial conglomerate company headquartered in London, United Kingdom. It was founded in 1924, grew strongly by acquisition under Sir Owen Green's leadership, and merged with Siebe plc in 1999 to form BTR ...

after the acquisition of the Dunlop Aviation Division from

Dunlop Rubber Dunlop Ltd. (formerly Dunlop Rubber) was a British multinational company involved in the manufacture of various natural rubber goods. Its business was founded in 1889 by Harvey du Cros and he involved John Boyd Dunlop who had re-invented an ...

. It comprised Dunlop Aviation Division, Aero Engine Equipment, Dunlop Precision Rubber, and Standard Aero (Canada). In 1996,

Dunlop Aircraft Tyres Dunlop Aircraft Tyres is a tyre-manufacturing company in Birmingham, England, that claims to be world's only specialist aircraft tyre manufacturer and retreader, for aircraft landing gear (also known as undercarriage). History It was establish ...

Limited was sold by BTR plc to form an independent company. It is based at

Fort Dunlop Fort Dunlop (), is the common name of the original tyre factory and main office of Dunlop Rubber in the Erdington district of Birmingham, England. It was established in 1917, and by 1954 the entire factory area employed 10,000 workers. At one ...

, Birmingham, England. In July 1998,

Doughty Hanson & Co Doughty Hanson & Co is a British private equity fund manager focused on leveraged buyout and recapitalization transactions primarily of upper middle-market companies in Europe. The firm also invests opportunistically in European real estate and ...

purchased BTR Aerospace Group and renamed it

Dunlop Standard Aerospace Group Dunlop Standard Aerospace Group Ltd. was formed in 1998 from the assets of BTR Aerospace Group when they were purchased by Doughty Hanson & Co. In 2004 the company was sold and split into two. The Carlyle Group, a private equity firm, acquir ...

References

{{Aerospace industry in the United Kingdom Former defence companies of the United Kingdom Aerospace companies of the United Kingdom Aerospace companies of Canada