a. Place the canopy inside out on a repair table, smooth the fabric around the damaged area, and
secure the damaged gore section to the table with pushpins. Do not pin the damaged area of the
b. As required, cut the applicable stitching to remove or lay aside items, which may interfere with the
c. Using an authorized marking aid of contrasting color, mark a rectangle or triangle around the
damaged area. Make the mark ½-inch from any adjacent seam, reinforcement, or lateral band.
Insure that one side of the marked rectangle or triangle is parallel to the warp or filling of the
d. Prepare the damaged area hole by cutting along the marks made in step c., above. Also make a
diagonal cut at each corner of the formed hole to permit a ½-inch foldback of each raw edge.
e. To complete hole preparation, make ½-inch foldback of each raw edge. Pin and baste each edge
fold back using the procedures in the beginning of this WP, Basting and Temporary Tacking.
Using the same type material as in original canopy construction, mark and cut a patch 2½-inches
wider and longer than the inside measurements of the prepared hole.
g. Center the patch material over the prepared hole. Insure the warp or filling of the patch material
matches the warp or filling of the material to be patched. Pin the patch material in position.
h. Make a ½-inch foldunder on each edge of the patch material and baste the patch to the prepared
area. Basting will be performed using the procedures contained in this WP.
Remove the pushpins securing the canopy to the repair table and the patch by stitching according
to the details in illustration above, using the stitching specifications outlined in table 1 and 2.
Make the first row of stitching completely around edges of the patch. Turn the canopy right side
out and make a second row of stitching around the edges of the prepared hole. Stitching will be
performed in accordance with this WP.
TRIANGULAR PATCH INCLUDING RADIAL SEAM AND LOWER LATERAL BAND, CONTINUOUS-LINE CANOPY