| SOPWITH | Thomas -, British aviation pioneer; founder of the Hawker Siddeley engineering group (7) |
| RAFKINLOSS | Until 2010 the main base of the Hawker Siddeley Nimrod maritime patrol aircraft, situated on the Moray Firth (3,7) |
| HARRIER | Aircraft developed by Hawker Siddeley in the 19605 which has the ability to take off vertically (7) |
| SUICIDE | _ doors, a feature of the Armstrong Siddeley Hurricane (7) |
| WHITLEY | Large model that Armstrong Siddeley brought out in 1949 (7) |
| DEHAVILLAND | Geoffrey --- ---, British aviation pioneer and engineer whose company built the Moth and Mosquito aircraft (2,9) |
| GEOFFREYDEHAVILLAND | British aviation pioneer and jet aircraft designer associated with warplane the Mosquito |
| GEOFFREYDE | & 11D British aviation pioneer and jet aircraft designer associated with warplane the Mosquito (8,2,9) |
| HOOD | Thomas, British poet who authored The Song of the Shirt (4) |
| AVRO | British aviation company who also built cars briefly in the 1920s (4) |
| GAGE | Thomas -, British general; Governor of Montreal from 1760-63 (4) |
| ADES | Thomas, British conductor and composer of Polaris, born 1971 (4) |
| COOK | Thomas ---, British businessman who founded a travel agency in the 19th Century (4) |
| DOORS | Rear-hinged features of the Armstrong Siddeley Hurricane (7,5) |
| REGIME | Lippy type admits, for example, engineering group in administration (6) |
| ARMSTRONG | _ Siddeley, the maker of the Whitley (9) |
| CHATTERTON | Thomas, British poet who committed suicide in 1770 (10) |
| DYLAN | ___ Thomas : British poet born in Wales in 1914 (5) |
| PEDLAR | The hawker, a biker, read aloud (6) |
| IEEE | Engineering group |
