•  Materials: E thread, Para-pak fabric, Spandex$^{®}$ or  equivalent elastic fabric,  5 ⁄8  inch elastic tape, and  Type-3¾ inch binding tape •  Machines: 301 straight stitch—medium duty 7–11  SPI, 301 double needle with tape folder 7–11 SPI,  and 1 inch × 42 stitch bar tack •  Equipment: Scissors, marking pencil, 18-inch ruler,  carpenter’s square, and hot knife 1.  Draw the shape of the BOC pocket on the para-pak  fabric to the size required to fit the pilot chute. This  will be the base panel. 2.  Fold the Spandex $^{®}$ fabric in half and cut to the same  size as the base panel. This will be the pocket panel.  Make sure the grain of the fabric is parallel with the  length of the pocket for stretch. Trim ½ inch off the  end opposite the fold.  [Figure A] Procedure Layout Bottom of Container (BOC) Pocket •  Applicable products: All containers that have a BOC  pocket configuration •  Description: Fabrication of a BOC pocket •  Authorized repairmen: FAA Senior or Master  Parachute Rigger  7-85