History:
FF 10-11-39 27MU 13-11-39 AMDP 16-11-39 AAEE 19-3-40 comparison perf trls (Rotol c/s prop) with K9793 (2-blade fixed pitch) CFS for compilation of pilot's notes 24-2-40 ECFS Hullavington 13-6-42 AC 25-9-43 SOC 18-8-45
* for acronyms please see source:
Spitfire Production