TM 1-1510-224-10 CHAPTER 1 INTRODUCTION 1-1. GENERAL These instructions  are  for  use  by  the  operator(s). They apply to the RC-12P and RC-12Q 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, condition,  or  statement,  which  if  not strictly    observed,    could    result    in damage to or destruction of equipment, loss of mission effectiveness,    or    long    term    health hazards to personnel. 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-12P and RC-12Q 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.      Basic   flight   principles   are   not   included. THIS MANUAL SHALL BE CARRIED IN THE AIRCRAFT DURING ALL FLIGHTS. The   RC-12P   and   RC-12Q   are   pressurized,   low wing, all metal aircraft and are powered by two turboprop engines.    The  RC-12Q  aircraft  is  distinguished  by  the large SATCOM radome located on top of the fuselage. a. RC-12P  P Basic Mission Statement.  The basic mission of the aircraft is radio reconnaissance. b. RC-12Q Q  Basic Mission Statement.  The basic   mission   of   the   aircraft   is   Direct   Air   to   Satellite Relay (DASR) communications. 1-4. APPENDIX A, REFERENCES. Appendix A is a listing of official publications, cited within this manual, which are 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 this 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 750-244-1-5. 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 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. NOTE 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. 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.  Symbols show current changes only.  Change symbols are not utilized to indicate changes in the following: 1-1