ARMY TM 10-1670-281-23&P
AIR FORCE T.O. 13C5-32-2
NAVY NAVAIR 13-1-32
(2) Canopy panel.
(a) Restitching. Stitch and restitch with size E nylon thread which matches the color of the
original stitching, when possible. Lock all straight stitching by backstitching at least 1/2 inch. Restitch by
overstitching each end of the stitch formation by 1/2 inch. Restitch directly over the original stitching, following
the original stitch pattern as closely as possible. Stitching will be in accordance with paragraph 2-19 and table
(b) Darning. Darn a hole or tear which does not exceed 3/4 inch in length or diameter using the
procedures in paragraph 2-19 and size E nylon thread. A canopy panel may be darned a maximum of three
(c) Patching. Patch a hole or tear which exceeds 3/4 inch in length or diameter using the details
in figure 2-139 and 2-140. Patch material will be either type 11 .1-ounce nylon cloth or type Il 1.6-ounce nylon
cloth, according to original panel material. The 68-inch-diameter pilot chute canopy is limited to three patches
for the entire canopy and the size of each patch is limited to the size of the panel being patched. Apply a patch
1 Place the canopy on a repair table, smooth the fabric around the damaged area and secure
the canopy to the table with pushpins. Do not pin the damaged area.
2 Using an authorized marking aid of contrasting color, mark a square or rectangle around the
area to be patched and insure that one side of the marked square is parallel to the warp or
filling of the material.
3 Cut the damaged area fabric along the lines made in 2, above. Further cut the fabric
diagonally at each comer to allow a 1/2-inch foldback in the raw edges.
4 Make a 1/2-inch foldback on each raw edge. Pin and baste each foldback to complete the
prepared hole. Basting will be performed using the procedures in paragraph 2-19a.
5 Using the same type material as original construction, mark and cut a patch 2 1/2-inches wider
and longer than the inside measurements of the prepared hole.
6 Center the patch material over the prepared hole and insure the warp or filling of each patch
material matches the warp or filling of the fabric being patched. Pin the patch material in
7 Make a 1/2-inch fold under on each edge of the patch material and baste the patch to the
prepared area. Basting will be performed using procedures in paragraph 2-19a.
8 Remove the pushpins securing the canopy to the repair table and secure the patch by stitching
using the applicable details in figure 2-139 and paragraph 2-19b. Make the first row of
stitching completely around the patch. Turn the canopy over and make a second row of
stitching around the prepared hole. Stitching will be performed in accordance with paragraph
9 If applicable, restencil information data according to procedures in paragraph 2-19.