History:
FF 28-4-41 8MU 30-4-41 AAEE 18-6-41 brief perf trls 2-9-41 low fuel pressure tests with P8781 RAE 24-11-41 exhaust flame dampers on stubs with intensifier tubes. trls with snow guard. inertia weight on elev control syst at AAEE 8-42 comparison tests with M45 and M46. Cool trls VASM mods 29-8-43 crashed during test program 24-11-43 AST 78MU 6-6-45 SOC dbr 28-6-45
* for acronyms please see source:
Spitfire Production