BS ISO 20291-1:2021

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Air cargo. Restraint slings – Design and testing

Published By	Publication Date	Number of Pages
BSI	2021	30

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Categories: 55.180.30 - Air mode containers, pallets and nets, BSI

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Description

This document specifies the design criteria and testing methods adequate to guarantee the ultimate strength and operational dependability of cargo restraint sling assemblies made of steel wire rope, with a 22,25 kN (5 000 lbf) rated ultimate load capability, as can be used by the airline industry in order to restrain on board civil transport aircraft during flight, including the following:

cargo loaded and tied down onto airworthiness approved air cargo pallets, themselves restrained into aircraft lower deck, main deck or upper deck cargo systems and meeting the requirements of ISO 8097 ( NAS 3610 ) or ISO 21100 , or
non-unitized individual pieces of cargo, or pieces of cargo placed onto an unrestrained (“floating”) pallet into either lower deck, main deck or upper deck containerized cargo compartments of an aircraft, to be restrained onto aircraft structure attachment (tie-down) points.

Two types of wire rope restraint slings are defined:

type A: adjustable length restraint sling assemblies, including a tension retaining device and termination fittings attached to the wire rope end eyes;
type B: fixed length restraint sling extensions, to be used in conjunction with a type A cable; extensions are usually terminated at both ends by eyes, without additional fittings, and can be attached through hooks or shackles.

The cables specified in this document are intended exclusively for restraint purposes on board aircraft, and not for use as lifting slings.

PDF Catalog

PDF Pages	PDF Title
2	undefined
6	Foreword
7	Introduction
9	1 Scope 2 Normative references
10	3 Terms and definitions
14	4 Design requirements 4.1 General 4.2 Construction
16	4.3 Tension retaining device 4.4 End fittings
18	4.5 Ultimate load 4.6 Elongation 4.7 Environment
19	4.8 Operator safety 5 Testing 5.1 General
20	5.2 Testing apparatus 5.3 Sleeves test 5.4 Ultimate load and elongation test
22	5.5 Cyclic load test
23	5.6 Test record 6 Quality control 7 Markings
24	8 Options
25	9 Manufacturer’s instructions 10 Operating instructions
27	Bibliography

Additional information

Status	Definitive
Pages	30
Publication Date	2021-07-12
ISBN	978 0 580 98725 0
Standard Number	BS ISO 20291-1:2021
Title	Air cargo. Restraint slings – Design and testing
Identical National Standard Of	ISO 20291-1
Descriptors	Cargo aircraft, Design, Testing, Construction, End fittings, Elongation, Strain elongation
Publisher	BSI
Committee	ACE/57
ICS Codes	55.180.30 - Air mode containers, pallets and nets

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BS ISO 20291-1:2021

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