Useful Documents Here you will find useful documents and links. Click below to access the PPL and CPL workbook required to complete particular tasks and exam questions. Download this here----> CASA PPL CPL Workbook View and/or download the ECHO Formula Quick Study Sheet here ----> ECHO Quick Formulas - Aussie Pilot Exams View and/or download the Aviation Instructors Handbook FAA-H-8083-9B here ----> Aviation Instructors Handbook FAA-H-8083-9B View and/or download the prior Aviation Instructors Handbook FAA-H-8083-9A here ----> Aviation Instructors Handbook FAA-H-8083-9A View and/or download the more prior Aviation Instructors Handbook FAAH80839 here ----> Aviation Instructors Handbook FAAH80839 View and/or download the PILOTS HANDBOOK OF AERONAUTICAL KNOWLEDGE here ----> Pilot Handbook of Aeronautical Knowledge View and/or download the Instrument Procedures Handbook FAA-H-8083-16B here ----> Instrument Procedures Handbook FAA-H-8083-16B Access the NEW AND UPDATED CASA VFRG (visual flight rules guide) here. Information including permitted materials for the PPL and RPL exams can be found here. Information including permitted materials for the CPL exams can be found here. *Very important!* The CASA pass rates for all exams can be found here - this also includes subject feedback (important areas where past students taking the exam have failed!) The Part 61 MOS - (manual of standards) can be found here.