See also

External links

• http://www.airliners.net/info/stats.main?id=351 (Scottish Aviation Twin Pioneer)
• http://www.whl.co.uk/pdfs/history_rotor_t_z.pdf (Pages 6, 10 & 11)
• http://www.warbirdalley.com/provost.htm
• http://www.helicoptermuseum.co.uk/westland.htm
• http://www.virtualpilots.fi/feature/photoreports/gauntletflies/
• http://www.nzwarbirds.org.nz/bvr.html (Beaver)
• http://www.hovercraft-museum.org/srn1.html
• http://avia.russian.ee/helicopters_eng/west_dragon.php (Dragonfly)