ARMY TM 10-1670-281-23&P
AIR FORCE T.O. 13C5-32-2
NAVY NAVAIR 13-1-32
2-25. Canopy Gore Section (cont).
Apply the duplicate-shaped patch to the damaged area on the canopy inside using the procedures in
f, g, and h, above
Table 2-4. Mending Cloth Patching Specifications for Cargo Parachutes.
Damaged area size
Patch minimum size
1 inch to 1 1/2 inches
1 1/2 inches to 2 inches
2 inches to 3 inches
3 inches to 5 inches
5 inches to 7 inches
7 inches to 12 inches
12 inches to 15 1/2 inches
3 1/2 inches
4 1/2 inches
15 1/2 inches
19 1/2 inches
Applying a miscellaneous canopy patch. A miscellaneous canopy patch which may be irregularly
shaped, is used to repair damaged canopy material when the location of the damaged area requires the patch to
extend into or over a seam, reinforcement, or lateral band. Ascertain the type of patch required for the canopy,
using the details in figure 2-109. A canopy gore section that cannot be patched with a basic patch as outlined in
paragraph a(3)(b), above, will be patched with a miscellaneous patch. Apply a miscellaneous patch to a gore
section as follows:
Adhesive nylon parachute mending cloth will not be used in the construction or
application of a miscellaneous canopy patch.
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
As required, cut the applicable stitching to remove or lay aside items which may interfere with the
Using an authorized marking aid of contrasting color, mark a rectangle or triangle around the
damaged area. Make the mark 1/2 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 canopy
Prepare the hole in the damaged area by cutting along the marks made in 3, above. Also make a
diagonal cut at each corner of the formed hole to permit a 1/2-inch foldback of each raw edge.
To complete hole preparation, make a 1/2-inch foldback of each raw edge. Pin and baste each edge
foldback using the procedures in paragraph 2-19a.