The site navigation utilizes arrow, enter, escape, and space bar key commands. Left and right arrows move across top level links and expand / close menus in sub levels. Up and Down arrows will open main level menus and toggle through sub tier links. Enter and space open menus and escape closes them as well. Tab will move on to the next part of the site rather than go through menu items.
Developers of the safety guide, "Utility Patrol and Construction (UPAC) Safety Guide for Helicopter Operators" will present their identified safety best practices for operators engaged in utility construction work and provide background on past safety performance within the utility sector of the EC industry.