Eastern Airways (T3, Humberside (HUY)) has returned its last ex-Air Southwest (SZ, Plymouth Roborough (PLH)) Dash 8-300 G-WOWA (c/n 296) to the lessor. It had taken over three Dash 8-300s when it closed down subsidiary Air Southwest in 2011.

Air Southwest (SZ, Plymouth Roborough (PLH)) has been acquired by Eastern Airways (T3/Humberside) in October 2010 but Eastern has found its operations unviable after the acquisition and will close down the carrier by September 30. Air Southwest has given up its routes from Newquay and Plymouth to London Gatwick and Newcastle in early 2011. It has also disposed of two of its five Dash 8-300s already but has however launched some new regional services:
Newquay-Bristol-Leeds/Bradford-Aberdeen: 5x weekly Dash 8-300 service has started on February 28
Newquay-Plymouth-Jersey-Guernsey-Plymouth-Newquay: 5x weekly seasonal Dash 8-300 service has started on May 3
Plymouth-Bristol-Leeds/Bradford-Aberdeen: 5x weekly Dash 8-300 service has started on February 28
Plymouth City Airport will close in December as airport operations are no longer considered financially viable by airport owner Sutton Harbour Group. Air Southwest is the only scheduled operator serving the airport and currently operates from Plymouth to Aberdeen, Bristol, Cork, Dublin, Glasgow Intl, Guernsey, Jersey, Leeds/Bradford and Manchester. It will move all of its operations to Newquay between July 29 and August 29 when Plymouth airport will be temporarily closed already and then give up its Plymouth services on September 14.

Air Southwest (SZ, Plymouth Roborough (PLH)) has been put up for sale by its owner Sutton Harbour Group. It has given up its Plymouth-Newquay-London City route on May 21. Eastern Airways (T3/Humberside) now codeshares on all Air Southwest services giving it access to worldwide distribution through global distribution system which according to news releases seems to be the main purpose of the codeshare relationship. It has given up plans to add Dash 8-200s to its fleet of five Dash 8-300s.

Air Southwest (SZ, Plymouth Roborough (PLH)) has wet-leased an ATR 72-200 from Aer Arann (RE/Dublin).

Air Southwest (SZ, Plymouth Roborough (PLH)) has wet-leased a Saab 2000 from Eastern Airways (T3/Humberside) for its route network expansion plans. It has launched twice daily Dash 8-300 from Newquay and Plymouth to London City on April 20.