Step #3 Center, align and securely tape your template, after trimming to size, to the face of the NavPod.
Step #4 Use only BRAD POINT DRILLS!!! Black & Decker "Bullet Point" drills are NOT brad point drills and DO NOT work nearly as well!! Brad point drills have a very sharp center tip and also make very clean cuts at teh outer edge of the hole. One tip to make the cut even smoother is to cut through the outer layer of NavPod with the drill running in reverse!
If you don't brad points please do yourself favor and buy them! Many instruments, such as some of the Garmin plotters, require VERY, VERY precise holes. A drill that wanders even a 1/32nd or 1/64th of an inch can make a real mess and potentially ruin a $300.00 pod. On Garmin 3200 series plotters you have 1/16 of an inch variance before you've ruined the NavPod..! Be careful and use the right tools!