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Many aviation occurrence reporting systems capture the phase of operation or the phase of flight in which the event that is to be reported occurred. The list of phases provided here aims at providing guidance for this classification. PHASE OF FLIGHT DEFINITIONS AND USAGE NOTES October 2011 (1.1) Page Revised 5/2011 Page ii RECORD OF REVISIONS Date Version Section Revision 10/2011 1.1 Takeoff Added final bullet regarding unmanned aircraft systems 5/2011 1.0.3 Document Reformatted Document 4/2011 1.0.3 Introduction Replaced the ICAO and CAST contacts with new CICTT email address 4/2011 1.0.3 Takeoff Added Usage Notes for Helicopters-bullets 2 and 3 4/2011 1.0.3 Landing Added Aborted Landing After Touchdown as a sub-phase 6/2010 1.0.2 Introduction Replaces the ICAO co-chair with André de Kock and adds a “power back” sub-phase under the “taxi” phase 2/2006 1.0.1 Introduction Replaces the ICAO co-chair with Yuri Fattah Page Revised 2/2006 Page iii TABLE OF TERMS STANDING (STD) _____________________________________________________________________ 2 PUSHBACK/TOWING (PBT) _____________________________________________________________ 2 TAXI (TXI) ___________________________________________________________________________ 3 TAKEOFF (TOF) _______________________________________________________________________ 4 INITIAL CLIMB (ICL) ___________________________________________________________________ 4 EN ROUTE (ENR) _____________________________________________________________________ 5 MANEUVERING (MNV) ________________________________________________________________ 5 APPROACH (APR) _____________________________________________________________________ 6 LANDING (LDG) ______________________________________________________________________ 7 EMERGENCY DESCENT (EMG) ___________________________________________________________ 7 UNCONTROLLED DESCENT (UND) ________________________________________________________ 7 POST‐IMPACT (PIM) __________________________________________________________________ 7 UNKNOWN (UNK) ____________________________________________________________________ 8 Page Revised 4/2011 Page 1 INTRODUCTION The International Civil Aviation Organization (ICAO) and the Commercial Aviation Safety Team (CAST), which includes Government officials and aviation industry leaders, have jointly chartered the CAST/ICAO Common Taxonomy Team (CICTT). The team was charged with developing common taxonomies and definitions for aviation accident and incident reporting systems. The common taxonomies and definitions are intended to improve the aviation community’s capacity to focus on common safety issues. CICTT includes experts from air carriers, aircraft manufacturers, engine manufacturers, pilot associations, regulatory authorities, www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：PHASE OF FLIGHT DEFINITIONS AND USAGE NOTES
