4) Performs command directed and locally established in-progress inspections (IPI) (certifying acceptable performance of all conventional or modified aircraft engines prior to their being installed in the aircraft or placed in inventory) of propulsion system components and associated equipment to determine adequacy of workmanship, materials and maintenance. The following items may be submitted as supporting documentation: Cover Letter, DD-214/ Statement of Service, Diploma/ GED, Disability Letter (Schedule A), Disability Letter (VA), License, OF-306, Form DD369 Police Record Check, PCS Orders, Performance Appraisal, Professional Certification, Proof of Enrollment, Resume, Separation Notice (RIF), SF-50/ Notification of Personnel Action, Supplemental Application, and Transcript.