BS ISO 9667:2017

This standard BS ISO 9667:2017 Aircraft ground support equipment. Tow bars is classified in these ICS categories:

• 49.100 Ground service and maintenance equipment

This document specifies dimensional and physical requirements of tow bar connections to tractor and aircraft (see Figure 1). It is applicable to any new type of commercial transport category aircraft tow bar designed or built after publication of this document.

The purpose of this document is to standardize tow bar attachments to airplane and tractor according to the mass category of the towed aircraft, so that one tow bar head with different shear levels can be used for all aircraft that are within the same mass category and are manufactured in compliance with ISO 8267 .

Figure 1Tow bar

Key

1	tractor connection
2	aircraft connection
3	tow bar body
4	tow bar undercarriage