范围:This document specifies the structure and materials, requirements, inspection rules, marking, packaging, transportation, storage and lifetime of helicopter external mount buckets for firefighting (buckets for short). The document describes test methods of the buckets. This document is applicable to the buckets which use rubber-coated fabrics as bucket body.; 主要技术内容:This document specifies the structure and materials, requirements, inspection rules, marking, packaging, transportation, storage and lifetime of helicopter external mount buckets for firefighting (buckets for short). The document describes test methods of the buckets.This document is applicable to the buckets which use rubber-coated fabrics as bucket body.