Ideal for applications necessitating a light anti-freezing oil, AeroShell Fluid 1 finds its place in various aircraft instruments, gun mounting buffers, hydraulic couplings, controls, and door hinges. It serves as a preservative oil for Stromberg carburetors and certain fuel systems as well. While AeroShell Turbine Oil 3 offers compatibility with AeroShell Fluid 1 as an alternative, it’s crucial to note that AeroShell Fluid 1 should never substitute AeroShell Turbine Oil 3.