Private Pilot Flight Training and Instruction Flight Training Article Library | Back To 4VFR.COM Inspections FAR 43.11(a)(b) Type, description, date, total time, signature, certificate type and number; approval or disapproval for return to service Advisory Directives (Ads) compliance (work, inspection, repair) completed and signed off Routine 100 hour, minor alterations. A & P sign off required Required Annual or progressive, major alteration AI sign off required and compliance with ADs. Manufacturer's Not in FARs but require A & P signoff Written by Gene Whitt Flight Training Article Library | Back To 4VFR.COM