What is the specific gravity of 91 Octane Mo gas aviation fuel?

The specific gravity of 91 Octane Mo gas aviation fuel typically ranges from about 0.71 to 0.77, depending on its specific formulation and temperature conditions. Specific gravity is a measure that compares the density of a substance to that of water. For aviation fuels, this range indicates that they are lighter than water. Always refer to the manufacturer's specifications for the most accurate information.