Revised Edition: This manual is designed as a technical reference for professional pilots who operate under instrument flight rules (IFR) in the National Airspace System (NAS). It expands on information contained in the FAA-H-8083-15, Instrument Flying Handbook, and introduces advanced information for IFR operations. Instrument flight instructors, pilots, and students will also find this handbook a valuable resource since it is used as a reference for the Airline Transport Pilot and Knowledge Tests and for the Practical Test Standards. It also provides detailed coverage of instrument charts and procedures including IFR takeoff, departure, en route, arrival, approach, and landing. Safety information covering relevant subjects such as runway incursion, land and hold short operations, controlled flight into terrain, and human factors issues also are included. Contents: Chapter 1 — IFR Operations in the National Airspace System; Chapter 2 — Takeoffs and Departures; Chapter 3 — En Route Operations; Chapter 4 — Arrivals; Chapter 5 Approaches; Chapter 6 — System Improvement Plans; Chapter 7 — Helicopter Instrument Procedures; Appendix A — Airborne Navigation Databases; Appendix B — Staying Within Protected Airspace; Appendix C — Acronyms and Glossary