BAE Systems Regional Aircraft produced the last fully UK-built airliner in November 2001, the Avro RJX

BAe 146

The British Aerospace 146 is a medium-sized commercial airliner formerly manufactured in the United Kingdom by British Aerospace, later part of BAE Systems. Production ran from 1983 until 2002. Manufacture of an improved version known as the Avro RJ began in 1992...

 (formerly the BAE 146). While this business unit no longer produces commercial Regional airliner

Regional airliner

A regional airliner or a feederliner is a small airliner designed to fly up to 100 passengers on short-haul flights, usually feeding larger carriers' hubs from small markets. This class of airliners are typically flown by the regional airlines that are either contracted by or subsidiaries of the...

s, it continues to lease aircraft and provide support, spares and training for its legacy products:

• Avro RJ/BAE 146 family
• BAe ATP
• Jetstream
  British Aerospace Jetstream
  The British Aerospace Jetstream is a small twin-turboprop airliner, with a pressurised fuselage, developed as the Jetstream 31 from the earlier Handley Page Jetstream-Development:...
  
  
• BAe 748

The decision to end production of the Avro RJ series was taken following the sharp downturn in aircraft sales following September 11, 2001 attacks

September 11, 2001 attacks

The September 11 attacks The September 11 attacks The September 11 attacks (also referred to as September 11, September 11th or 9/119/11 is pronounced "nine eleven". The slash is not part of the pronunciation...

. British Aerospace

British Aerospace

British Aerospace plc was a UK aircraft, munitions and defence-systems manufacturer. Its head office was in the Warwick House in the Farnborough Aerospace Centre in Farnborough, Hampshire...

 (BAE's predecessor) had already left the corporate jet market in 1993, with the sale of British Aerospace Corporate Jets Ltd. (producers of the mid-sized British Aerospace BAe 125

British Aerospace BAe 125

The British Aerospace 125 is a twin-engined mid-size corporate jet, with newer variants now marketed as the Hawker 800. It was known as the Hawker Siddeley HS.125 until 1977...

 line) to Raytheon

Raytheon

Raytheon Company is a major American defense contractor and industrial corporation with core manufacturing concentrations in weapons and military and commercial electronics. It was previously involved in corporate and special-mission aircraft until early 2007...

, but had maintained the regional jet division. Its headquarters are located at Prestwick International Airport, with an additional site in Weybridge

Weybridge

Weybridge is a town in the Elmbridge district of Surrey in South East England. It is bounded to the north by the River Thames at the mouth of the River Wey, from which it gets its name...

.