August 30, 2023 - In Investigation Forms and checklists OJT Progress Chart Form NSIB.04.03 This is a OJT Progress Chart Form NSIB.04.03 by the Nigerian Safety Investigation Bureau Download (PDF) Previous INVESTIGATION EVENT MANAGEMENT CHECKLIST – EVENT 18: CREWMEMBER MEDICAL EXAMINATIONS Next INVESTIGATION EVENT MANAGEMENT CHECKLIST – EVENT 45: NAVIGATION AIDS AND AIRPORT STATUS