The  Luftwaffe  took twenty aircraft at the time of the armistice. They then took all of the G.12 out of the Fiat-Aeritalia factory, that is, 5 aircraft at the end of the year 1943 and 8 in 1944. The American bombing of 24 April 1944 on Aeritalia's facilities destroyed 8 G. 12. The number of G.12 in service in the  Luftwaffe  increased from February - March 1944 15 to April-May 18 and June-July 21. The  Lufthansa  received two civilians G.12 which were attributed registrations  D-ASVJ and D- ASVH.
Type Werk.Nr Registration History
2 I-ALIC, MM.60560, D-ASVH Lufthansa
9 I-ALID, MM.52208, D-ASVI OKL Stab, Savoia Staffel, St. 4 Ergänzungs Transportgeschwader
13 I-ALIG, MM.60661, D-ASVJ Lufthansa