A component (300, 400) for a gas turbine engine, the component comprising: a platform (302; 402; 502; 602), the platform defining a platform cavity (310; 410a, 410b; 610) on a first side; an airfoil (306, 308; 406) extending from a second side of the platform, wherein the airfoil comprises at least one airfoil cavity (418; 618) located within the airfoil, the at least one airfoil cavity fluidly connected to the platform cavity through an airfoil cavity inlet (312, 314, 412, 618a, 618b); a platform flow turning element (316; 416; 516; 616) positioned on the first side of the platform, the platform flow turning element having a turning portion (420; 520; 620a, 620b) and a tapering portion (422; 522; 622), wherein the turning portion directs incoming air to turn from the platform cavity into the airfoil cavity and the tapering portion extends through the airfoil cavity inlet and into the airfoil cavity; and a cover plate mounted to the platform, wherein the cover plate and the first side of the platform define bounds of the platform cavity (410a, 410b) and the cover plate comprises at least one impingement opening to enable airflow to enter the platform cavity (410a, 410b); wherein the tapering portion defines a first turning inlet and a second turning inlet, wherein the first and second turning inlets are open to the platform cavity; characterised in that: the first turning inlet receives air from a first platform sub-cavity and the second turning inlet receives air form a second platform sub-cavity, wherein the first platform sub-cavity is opposite the second platform sub-cavity; and the tapering portion reduces in size/dimension as it extends into the airfoil cavity (418; 618) such that the flows within the cavity first inlet and the cavity second inlet expand and subsequently merge downstream of an end of the platform flow turning element (316; 416; 516; 616) with the merged flow flowing within the airfoil cavity (418, 618). a platform (302; 402; 502; 602), the platform defining a platform cavity (310; 410a, 410b; 610) on a first side; an airfoil (306, 308; 406) extending from a second side of the platform, wherein the airfoil comprises at least one airfoil cavity (418; 618) located within the airfoil, the at least one airfoil cavity fluidly connected to the platform cavity through an airfoil cavity inlet (312, 314, 412, 618a, 618b); a platform flow turning element (316; 416; 516; 616) positioned on the first side of the platform, the platform flow turning element having a turning portion (420; 520; 620a, 620b) and a tapering portion (422; 522; 622), wherein the turning portion directs incoming air to turn from the platform cavity into the airfoil cavity and the tapering portion extends through the airfoil cavity inlet and into the airfoil cavity; and a cover plate mounted to the platform, wherein the cover plate and the first side of the platform define bounds of the platform cavity (410a, 410b) and the cover plate comprises at least one impingement opening to enable airflow to enter the platform cavity (410a, 410b); wherein the tapering portion defines a first turning inlet and a second turning inlet, wherein the first and second turning inlets are open to the platform cavity; characterised in that: the first turning inlet receives air from a first platform sub-cavity and the second turning inlet receives air form a second platform sub-cavity, wherein the first platform sub-cavity is opposite the second platform sub-cavity; and the tapering portion reduces in size/dimension as it extends into the airfoil cavity (418; 618) such that the flows within the cavity first inlet and the cavity second inlet expand and subsequently merge downstream of an end of the platform flow turning element (316; 416; 516; 616) with the merged flow flowing within the airfoil cavity (418, 618). the first turning inlet receives air from a first platform sub-cavity and the second turning inlet receives air form a second platform sub-cavity, wherein the first platform sub-cavity is opposite the second platform sub-cavity; and the tapering portion reduces in size/dimension as it extends into the airfoil cavity (418; 618) such that the flows within the cavity first inlet and the cavity second inlet expand and subsequently merge downstream of an end of the platform flow turning element (316; 416; 516; 616) with the merged flow flowing within the airfoil cavity (418, 618).