Cargo Securement Working-Load-Limit Check
Aggregate WLL vs. the half-cargo-weight requirement, pass/fail, and the minimum tiedown count for the article length. Per FMCSA 49 CFR 393.100-393.136; WLLs user-supplied from the marked hardware.
Formula and source
Aggregate WLL = number of tiedowns x per-tiedown WLL; required >= 0.5 x cargo weight; minimum tiedown count from the length/weight rule (>= 1 per 10 ft, >= 2 for articles over 5 ft or 1100 lb).
FMCSA 49 CFR 393.100-393.136 cargo securement (aggregate-WLL and tiedown-count rules), by name.
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