My kind of tower safety is, install gin pole and cables, tilt tower down and do service the turbine, tilt tower back up and remove gin.
This is coming from someone who has spent a career at the top of 40' ladders, 130' manlifts, swing stages, bosuns chairs, crane buckets, even repelling, these days homey don't climb it's not fun and never was, if you don't have a healthy fear of it, it'll kill ya.