FIELD: transport engineering. SUBSTANCE: seat cushion 4, in particular an air craft one, has a foam plastic support 6 and flame suppressing foam plastic layer 36 for protection from flame. A changeable case 44 is connected with the layer 36. Support 6 consists of bearing foam plastic part 7 with a spring core 9 put into it and a foam plastic 34 cover 8. EFFECT: enhanced comfort and safety. 43 cl, 21 dwg
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