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Strong Enterprises owner’s manual. Para-Cushion
www.strongparachutes.com
7. Repair Guidelines
The following repair specification is set forth to aid riggers in the maintenance of Strong Enterprises’
parachutes. Repairs must be made only by appropriately rated FAA certificated parachute riggers.
CANOPY
TYPE OF REPAIR
LIMITATIONS
Re-stitching:
No limit as to length or number
Patch, single side:
Size limit: 50% of panel area
Limit of 3 per panel, 15 per canopy
Panel replacement:
Limit 9 per canopy
Radial Seams:
Size limit: 12”, no more than 4 per canopy
Lateral bands:
Damage: size limit 2”
Upper
Limit: 1 per canopy
Lower
Limit: 4 per canopy
“V” tabs:
No limit
Suspension Lines:
No limit
PILOT CHUTE
Use re-stitching or single side patch. Anything more, replace.
PILOT CHUTE CAP
Replace when Spandura® fabric becomes worn.
LOCKING
Replace one time per year. Length for Para-Cushion Model 311 Wedge locking loop is 10 inches,
tol0, -1/4 inch. Replace if out of tolerance or worn.
BRIDLE
Damaged bridles should be replaced.
CONTAINER
Standard military single side patches or replacement of the damaged area is authorized.
HARNESS
Any portion of the harness which is structurally damaged should be replaced in a manner to duplicate
original equipment.
RIPCORDS
Damaged ripcords should be replaced.
DATA CARD
Data cards should not be discarded or replaced. When filled, they should be attached to a new card so
a complete log of packing, repairs, and alterations is recorded. This is the history of the parachute.
Note!
Darning and ripstop tape are not authorized for certified canopies as
they may weaken the fabric. Single side patches are recommended for
even small damaged areas.