An aircraft window article comprising: a frame and a sheet, which is a transparent interior covering, supported by the frame, wherein the sheet comprises a polysiloxane copolymer composition comprising: a.) a polysiloxane unit of the formula: or of the formula: wherein E is 4 to 15; each R is the same or different and is a C 1-13 monovalent organic group, and each R 2 is independently a divalent C 1-30 alkylene or C 7-30 arylene-alkylene; and Ar is a C 6-30 arylene group; and b.) an arylate-containing unit consisting of: 50 to 100 mole percent of arylate ester units 0 to 50 mole percent aromatic carbonate units, wherein the aromatic carbonate units comprise 0 to 30 mole percent resorcinol carbonate units and 0 to 35 mole percent bisphenol carbonate units, wherein the siloxane units of the polysiloxane unit are present in the polysiloxane copolymer composition in an amount of 0.2 to 10 wt% based on the weight of the polysiloxane copolymer composition, wherein the properties of the polysiloxane composition are such that it can be molded into a test chip having a thickness of 2.0 ± 0.12 millimeters that has a haze of less than or equal to 3%, according to ASTM D1003-00, and wherein the sheet has a 2 minute integrated heat release rate of less than or equal to 65 kilowatt-minutes per square meter (kW-min/m 2) and a peak heat release rate of less than 65 kilowatts per square meter (kW/m 2) as measured using the method of FAR F25.4, in accordance with Federal Aviation Regulation FAR 25.853 (d); wherein an ester unit in the polysiloxane copolymer composition has the formula wherein D is a divalent group derived from a dihydroxy compound and T is a divalent group derived from a dicarboxylic acid; and wherein a carbonate unit in the polysiloxane copolymer composition has the formula in which greater than or equal to 60 percent of the total number of R 1 groups are aromatic organic groups and the balance thereof are aliphatic or alicyclic groups. a frame and a sheet, which is a transparent interior covering, supported by the frame, wherein the sheet comprises a polysiloxane copolymer composition comprising: a.) a polysiloxane unit of the formula: or of the formula: wherein E is 4 to 15; each R is the same or different and is a C 1-13 monovalent organic group, and each R 2 is independently a divalent C 1-30 alkylene or C 7-30 arylene-alkylene; and Ar is a C 6-30 arylene group; and b.) an arylate-containing unit consisting of: 50 to 100 mole percent of arylate ester units 0 to 50 mole percent aromatic carbonate units, wherein the aromatic carbonate units comprise 0 to 30 mole percent resorcinol carbonate units and 0 to 35 mole percent bisphenol carbonate units, a.) a polysiloxane unit of the formula: or of the formula: wherein E is 4 to 15; each R is the same or different and is a C 1-13 monovalent organic group, and each R 2 is independently a divalent C 1-30 alkylene or C 7-30 arylene-alkylene; and Ar is a C 6-30 arylene group; and b.) an arylate-containing unit consisting of: 50 to 100 mole percent of arylate ester units 0 to 50 mole percent aromatic carbonate units, wherein the aromatic carbonate units comprise 0 to 30 mole percent resorcinol carbonate units and 0 to 35 mole percent bisphenol carbonate units, 50 to 100 mole percent of arylate ester units 0 to 50 mole percent aromatic carbonate units, wherein the aromatic carbonate units comprise 0 to 30 mole percent resorcinol carbonate units and 0 to 35 mole percent bisphenol carbonate units, 0 to 30 mole percent resorcinol carbonate units and 0 to 35 mole percent bisphenol carbonate units, wherein the siloxane units of the polysiloxane unit are present in the polysiloxane copolymer composition in an amount of 0.2 to 10 wt% based on the weight of the polysiloxane copolymer composition, wherein the properties of the polysiloxane composition are such that it can be molded into a test chip having a thickness of 2.0 ± 0.12 millimeters that has a haze of less than or equal to 3%, according to ASTM D1003-00, and wherein the sheet has a 2 minute integrated heat release rate of less than or equal to 65 kilowatt-minutes per square meter (kW-min/m 2) and a peak heat release rate of less than 65 kilowatts per square meter (kW/m 2) as measured using the method of FAR F25.4, in accordance with Federal Aviation Regulation FAR 25.853 (d); wherein an ester unit in the polysiloxane copolymer composition has the formula wherein D is a divalent group derived from a dihydroxy compound and T is a divalent group derived from a dicarboxylic acid; and wherein a carbonate unit in the polysiloxane copolymer composition has the formula in which greater than or equal to 60 percent of the total number of R 1 groups are aromatic organic groups and the balance thereof are aliphatic or alicyclic groups. wherein D is a divalent group derived from a dihydroxy compound and T is a divalent group derived from a dicarboxylic acid; and wherein a carbonate unit in the polysiloxane copolymer composition has the formula in which greater than or equal to 60 percent of the total number of R 1 groups are aromatic organic groups and the balance thereof are aliphatic or alicyclic groups.