A go pro or other action cam mount the uses the bolt holes of an existing inspection panel on the top of an aircraft wing. It could also be used if your aircraft has an inspection panel underneath the wing. the distance between the holes is 102mm left to right and 102mm forward to back. Each leg has 2 x 2.5mm holes which will allow 2mm CF rod to be inserted to make it stronger. A central hole can be drilled to mount a standard go pro adapter.