FIELD: nonferrous metallurgy. SUBSTANCE: aluminum-based alloy suitable as structural material in heating parts of aircrafts contains, wt %: copper 5.5-6.5, magnesium 0.2-0.4, manganese 0.4-0.8, titanium 0.03-0.15, zirconium 0.05-0.20, vanadium 0.05-0.15, molybdenum 0.01-0.15, silicon 0.05-0.25, silver 0.4- 0.8, germanium 0.05-0.20, nickel 0.01-0.50, and iron 0.01-0.50, sum manganese + titanium + zirconium + vanadium + molybdenum lying within the range 0.55-1.0. EFFECT: improved strength characteristics of semifinished parts in thermally treatment state at ambient and elevated temperatures and thereby increased service time of aircrafts. 2 tbl
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