TECHNICAL MANUAL Operator’s and Crewmember’s Checklist ARMY MODELS C-12R AIRCRAFT NSN 1510-01-425-1355 C-12T3 AIRCRAFT NSN 1510-01-470-0220 C-12F3 AIRCRAFT NSN 1510-01-235-5840 *This manual supersedes TM-1-1510-225-CL dated 10 June 1998.