Tolong jelaskan mengenai Operator dari Supermarine S.5

Lewis, Julian. Racing Ace - The Fights and Flights of 'Kink' Kinkead DSO DSC* DFC*. Barnsley, UK: Pen & Sword, 2011. ISBN 978-1-84884-216-8.

Lumsden, Alec and Terry Heffernan. "Per Mare Probare, Part 15," Aeroplane Monthly, Volume 17, No. 5, May 1989.

Shelton, John. Schneider Trophy to Spitfire - The Design Career of R.J. Mitchell.  Yeovil, UK: Haynes Publishing, 2008. ISBN 978-1-84425-530-6.