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> Operations
> Assembly
of Components and Compatibility > TSO Certification and
Placard Limitations
This area is one where many riggers have some
confusion. According to AC 105-2, “the strength of the
harness must always be equal to or greater than the maximum
force generated by the canopy during certification tests.”
In the case where the harness is certificated under TSO-C23b
and the canopy under TSO-C23c, the maximum generated force of
the canopy must not exceed the certificated category force of
the harness and container; i.e., Low Speed Category (3,000 pounds)
and Standard Category (5,000 pounds). In this instance, no additional
marking on the container is necessary.
In the case where the canopy is certificated
under TSOC23b and the harness under TSO-C23c, the strength of
the harness must be equal to or greater than the certificated
category force of the canopy.
For the current TSO-C23d, the average peak
force measured during the strength drops must be placarded on
the outside of the harness. In this case, the strength of the
canopy must not exceed that of the harness.
All of the above areas must be considered by
the rigger when making the determination as to whether a particular
canopy and rig combination is compatible. If there is any doubt,
the rigger should contact the rig
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