TM 55-1510-222-10 CHAPTER 1 INTRODUCTION Section I.  GENERAL 1-1. GENERAL. These  instructions  are  for  use  by  the  operator(s). They apply to the RC-12K aircraft. 1-2. WARNINGS, CAUTIONS, AND NOTES. Warnings,    cautions,    and    notes    are    used    to emphasize important and critical instructions. Explanatory examples are as follows: WARNING An operating procedure, practice, etc., which, if not correctly followed, could result in personal injury or loss of life. CAUTION An operating procedure, practice, etc., which,  if  not  strictly  observed,  could result  in  damage  to  or  destruction  of equipment. NOTE An    operating    procedure,    condition, etc., which is essential to highlight. 1-3. DESCRIPTION. This manual contains the best operating instructions   and   procedures   for   the   RC-12K   aircraft under     most     circumstances.          The     observance     of limitations, performance, and weight/balance data provided  is  mandatory.    The  observance  of  procedures is    mandatory    except    when    modification    is    required because   of   multiple   emergencies,   adverse   weather, terrain,  etc.  Your  flying  experience  is  recognized,  and therefore, basic flight principles are not included.   THIS MANUAL SHALL BE CARRIED IN THE AIRCRAFT AT ALL TIMES. 1-4. APPENDIX A, REFERENCES. Appendix A is a listing of official publications cited within the manual applicable to and available for flight crews. 1-5. APPENDIX B, ABBREVIATIONS AND TERMS. Appendix B is a listing of abbreviations and terms used throughout the manual. 1-6. INDEX. The    index    lists     in     alphabetical     order,     titled paragraphs,    figures,    and    tables    contained    in    this manual. 1-7. ARMY AVIATION SAFETY PROGRAM. Reports    necessary    to    comply    with    the    safety program are prescribed in AR 385-40. 1-8. DESTRUCTION     OF     ARMY     MATERIEL     TO PREVENT ENEMY USE. For   information   concerning   destruction   of   Army materiel to prevent enemy use, refer to TM 750-2441-5. 1-9. FORMS AND RECORDS. Army aviators flight record and aircraft maintenance   records   which   are   to   be   used   by   crew members are prescribed in DA PAM 738-751 and weight and balance manual TM 55-1500-342-23. 1-10.  EXPLANATION OF CHANGE SYMBOLS. Except as noted in this paragraph, changes to the text and tables, including new material on added pages, are   indicated   by   a   vertical   line   in   the   outer   margin extending   close   to   the   entire   area   of   the   material affected.    Exception:  pages  with  emergency  markings, which   consist   of   black   diagonal   lines   around   three edges,  may  have  the  vertical  line  or  change  symbol placed along the inner margins.  Symbols show current changes only.  A miniature pointing hand symbol is used to   denote   a   change   to   an   illustration.      However,   a vertical  line  in  the  outer  margin,  rather  than  miniature pointing    hands,    is    utilized    when    there    have    been extensive   changes   made   to   an   illustration.      Change symbols   are   not   utilized   to   indicate   changes   in   the following: a. Introductory material. b. Indexes and tabular data where the change cannot be identified. 1-1