Patented HALOSENSOR® technology is used in production of all Airbus Aircraft. Also known as Through Skin Sensor or TSS. Designed and manufactured by TT electronics Technology Ltd. This system allows the hole position to be located from outside the structure without having to drill a pilot hole from the inside.
HALOSENSOR® and the logo shown in the video are registered trademarks of TT electronics Technology Ltd part of TT electronics PLC.