AeroShell oil W 15W-50 is a premium semi-synthetic multigrade ashless despersant oil specifically developed for aviation piston engines. AeroShell Oil W 15W-50 is a special blend of a top quality mineral oil and synthetic hydrocarbons with an advanced additive package that has been specifically formulated for mulitgrade applications. The combination on non-metallic and anti-wear and selected high viscosity index mineral and synthetic base oils, give exceptional stability, dispersancy and anti-foaming performance. The advanced additive package in AeroShell W 15W-50 provides excellent protection to engines operating at extreme ambient tempuratures. The ashless anti-wear additive package provides exceptional wear protection for camshafts, lifters and other wearing surfaces. AeroShell W 15W-50 has grow to be very popular amongst engine manufacturers and operators alike. With a purpose to cater for those Lycoming engines that need improved load carrying, the LW-16702 antiwear additive has been incorporated into the formulation thus getting rid of the need for supplemental additive addition. Specifications and Approvals: Avco Lycoming 301F (Service Bulletin 1014J and revisions, 446C & 471). Teledyne Continental MHS-24B (Service Bulletin M81-11 and revisions). Pratt & Whitney all radial engines (Service Bulletin 1183 revision R). FAA Airworthy Directive 80-04-03. Ships to USA lower 48 States only.

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AeroShell W 15W50 promotes engine cleanness. The non-ash forming, polymeric additive as developed to lend a hand get rid of the harmful combustion chamber deposits that occur all over normal operation.
AeroShell W 15W50 has multigrade performance which allows for improved engine operation in temperature extremes.
AeroShell W 15W50 has excellent low temperature characteristics which provides easier cold weather starting and rapid lubication of engine parts.
AeroShell W 15W50 reduces oil consumption is some cases by up to 50%, resists thickening at low temperatures and reduces fuel consumption by up to 5% over straight grade engine oils.
AeroShell W 15W50 is an all season oil as there’s no wish to change from a winter / summer grade depending at the ambient temperature.