Hello, I note that Wikipedia has two Ambrosin SAI 2S in service with the Aviazione Cobelligerante. My question is does anyone have any information on which unit these machines served with? Also was there any previous Regia Aeronautica use of this type? Also can anyone recommend a good book dealing w...

Hello All, I have recently noticed on Wikipedia that a variant of the SAI 10, the SAI 11 was also constructed. Did this aircraft receive an MM serial number or not. Also did either the SAI 11 or the SAI 10s see service with any Regia Aeronautica unit. If so, does anyone know which unit? Regards, Clint