Making this mod to your Hawk/Hanuman, allows you to check the oil level of your Jabiru engine without having to remove the whole bonnet.
The kit consists of a CNC cut lexan cover engraved "OIL" (other words can be added for other uses) a CNC cut lexan inner ring with Camloc retainers pre-fitted
and the two Camloc fasteners for scuring in place.
The size was coosen based on commonly available circular cutters/holesaws used in the plumbing/electrical trades and is 105mm (4 1/8").
Cover/inner ring can be made any size if needed for an additional charge of setting up.
The cover comes primed ready for you to paint to match your aircraft.