Royco - 308CA Clear, Amendment 2 Spec General Purpose Lubricating Oil & Preservative, 55 Gall Steel Drum | MIL-PRF-32033
MIL-PRF-32033 covers one type and grade of water-displacing, preservative lubricating oil, known hereinafter as "oil", for general purpose applications at low temperatures. The oil can be applied by dipping, brushing, or by spraying from gas-pressurized cans.
This is nearly identical to my first pilot logbook, but with a new smooth matte black cover. This logbook checks all the boxes from student pilot through Commercial. It might just be the only logbook you’ll ever need. Fly safe!