text: Appendix C
  OBSERVATION HELICOPTERS
  C-1. This category currently includes only the OH-58D Kiowa. Table C-1 shows specifications for the
  Kiowa; Figure C-1 shows the aircraft from three angles.
  Rotor Diameter................................... 35’
  Length:
  Rotor Operating............................... 42’ 2”
  Blades Removed ............................. 33’ 10”
  Height to Top of Turret ....................... 12’ 9 ½”
  Tread of Skids .................................... 6’ 2”
  Main Rotor:
  Disk Area ......................................... 0.962 sq ft
  Blade Area ....................................... 38.26 sq ft
  Clear Area Needed for Rotor ............. 12.5 m
  TDP #1 ............................................... 25 meters diameter
  Table C-1. Specifications for the OH-58D Kiowa.