An aircraft storage bin comprising: a storage bin including an upper surface; a door (102, 102a; 402, 402a; 502; 602; 602a) hingeably coupled to the storage bin, wherein the door (102, 102a; 402, 402a; 502; 602; 602a) and storage bin at least partially define an enclosed storage bin space when the door (102, 102a; 402, 402a; 502; 602; 602a) is in a closed position; a pivot mount attached to the upper surface of the storage bin ; a hinge body member extending from the pivot mount toward the door (102, 102a; 402, 402a; 502; 602; 602a) of the storage bin , the hinge body member having a first portion rotatably coupled to the pivot mount; a piston member carried by the hinge body member , the piston member having a first end coupled to the hinge body member and a second end coupled to the door (102, 102a; 402, 402a; 502; 602; 602a) such that the piston member is carried downwardly when the hinge body member pivots downwardly, wherein the piston member actuates as the door (102, 102a; 402, 402a; 502; 602; 602a) is moved from the closed position to an open position; and an extension member that bridges a gap between the door (102, 102a; 402, 402a; 502; 602; 602a) and the upper surface of the storage bin, the extension member having an end hingedly coupled to the door (102, 102a; 402, 402a; 502; 602; 602a); wherein said gap corresponds to a distance that an upper edge of the door is positioned laterally relative to a position of the upper edge prior to installation of said extension member , such that the enclosed storage bin space is larger relative to the storage bin space prior to installation of said extension member characterized in that the hinge body member has a second portion releaseably attached to the upper surface of the storage bin such that the second portion can pivot downwardly when the second portion is released from the upper surface. a storage bin including an upper surface; a door (102, 102a; 402, 402a; 502; 602; 602a) hingeably coupled to the storage bin, wherein the door (102, 102a; 402, 402a; 502; 602; 602a) and storage bin at least partially define an enclosed storage bin space when the door (102, 102a; 402, 402a; 502; 602; 602a) is in a closed position; a pivot mount attached to the upper surface of the storage bin ; a hinge body member extending from the pivot mount toward the door (102, 102a; 402, 402a; 502; 602; 602a) of the storage bin , the hinge body member having a first portion rotatably coupled to the pivot mount; a piston member carried by the hinge body member , the piston member having a first end coupled to the hinge body member and a second end coupled to the door (102, 102a; 402, 402a; 502; 602; 602a) such that the piston member is carried downwardly when the hinge body member pivots downwardly, wherein the piston member actuates as the door (102, 102a; 402, 402a; 502; 602; 602a) is moved from the closed position to an open position; and an extension member that bridges a gap between the door (102, 102a; 402, 402a; 502; 602; 602a) and the upper surface of the storage bin, the extension member having an end hingedly coupled to the door (102, 102a; 402, 402a; 502; 602; 602a); wherein said gap corresponds to a distance that an upper edge of the door is positioned laterally relative to a position of the upper edge prior to installation of said extension member , such that the enclosed storage bin space is larger relative to the storage bin space prior to installation of said extension member characterized in that the hinge body member has a second portion releaseably attached to the upper surface of the storage bin such that the second portion can pivot downwardly when the second portion is released from the upper surface. <EOS>