What is ISO 21785 about?
ISO 21785 defines the industry agreed to model for load distribution on air cargo unit load devices (ULD) bases to apply the maximum allowable centre of gravity (C.G.) eccentricity.
ISO 21785 purpose is to establish a common reference load distribution algorithm for:
Comparable and repeatable ULD testing methods, or equivalent numeric simulations
Aircraft structure and cargo systems design assumptions, consistent with existing airframes practices
Definition of operator’s unit load devices utilization rules and cargo build-up training programs
ISO 21785 is applicable to non-airworthiness approved (non-certified) containers as defined in ISO 4118 , the utilisation of which is controlled by the provisions of the aircraft type's Weight and Balance Manual and other airframe manufacturer's documents.
Who is ISO 21785 for?
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BS ISO 21785:2020 history
2020BS ISO 21785:2020 Air cargo unit load devices. Load distribution model