TM 55-2200-001-12
Change 4
NATO UNCLASSIFIED
ANNEX A TO
STANAG 2173
(Edition 3)
DEFINITIONS
The following terms and definitions are used for the purpose of this agreement:
1.
Securing. All technical measures to be taken for securing a tracked or wheeled vehicle on a wagon in such a
manner that it will not be able to change its position during transport. The most important measures for securing
tracked and wheeled vehicles are chocking and tie-down completed in some cases by rigging.
2.
Chocking. Securing a tracked or wheeled vehicle by means of chocks, blocks, or pieces of hardwood which are
fixed to the wagon floor. A distinction must be made between lengthwise chocking where the vehicle is secured
in line with the longitudinal axis of the railway wagon, and crosswise chocking where it is secured in a right angle
to the longitudinal axis.
3.
Tie-down. Securing of a tracked or wheeled vehicle with tie-down materials (chains, wire, wire-ropes and,
cordage), which are fastened both to the vehicle and to the wagon. A distinction must be made between
lengthwise and crosswise tie-down.
4.
Rigging. Connection established with ropes, wire, cables or chains between:
a.
Moveable parts of a piece of equipment without blocking or locking system, with adjacent fixed parts in
order to obtain a rigid assembly.
b.
Light vehicles loaded on the same platform on each other or one within another.
A-1
iv
NATO UNCLASSIFIED
Change 4 AA-18
