A fairing assembly for a gas turbine engine comprising: a fairing sheath (116; 182) having an exterior surface and an interior surface, the exterior surface having a leading edge and being configured to form at least a portion of an exterior of the fairing, the interior surface defining a channel; and a strut extending through the channel; characterised by further comprising: a first locating component (118; 160; 170) having a first datum surface, the first locating component (118; 160; 170) being located between a portion of the strut and a portion of the interior surface of the fairing sheath (116; 182) such that the first datum surface establishes a desired orientation of the fairing sheath (116; 182) relative to the strut; said first locating component having a leading edge and first and second sides (144, 146) extending aft from the leading edge, the leading edge and the first and second sides (144, 146) of the first locating component (118, 160; 170) contacting the interior surface of the fairing sheath (116; 182); and wherein: the first locating component is located at a first position along a length of the fairing sheath; and the fairing assembly further comprises a second locating component located at a second position along the length of the strut and between a second portion of the strut and a second portion of the interior surface of the fairing sheath such that the second locating component establishes a desired orientation of the fairing sheath relative to the strut in a vicinity of the second locating component. a fairing sheath (116; 182) having an exterior surface and an interior surface, the exterior surface having a leading edge and being configured to form at least a portion of an exterior of the fairing, the interior surface defining a channel; and a strut extending through the channel; characterised by further comprising: a first locating component (118; 160; 170) having a first datum surface, the first locating component (118; 160; 170) being located between a portion of the strut and a portion of the interior surface of the fairing sheath (116; 182) such that the first datum surface establishes a desired orientation of the fairing sheath (116; 182) relative to the strut; said first locating component having a leading edge and first and second sides (144, 146) extending aft from the leading edge, the leading edge and the first and second sides (144, 146) of the first locating component (118, 160; 170) contacting the interior surface of the fairing sheath (116; 182); and wherein: the first locating component is located at a first position along a length of the fairing sheath; and the fairing assembly further comprises a second locating component located at a second position along the length of the strut and between a second portion of the strut and a second portion of the interior surface of the fairing sheath such that the second locating component establishes a desired orientation of the fairing sheath relative to the strut in a vicinity of the second locating component. a first locating component (118; 160; 170) having a first datum surface, the first locating component (118; 160; 170) being located between a portion of the strut and a portion of the interior surface of the fairing sheath (116; 182) such that the first datum surface establishes a desired orientation of the fairing sheath (116; 182) relative to the strut; said first locating component having a leading edge and first and second sides (144, 146) extending aft from the leading edge, the leading edge and the first and second sides (144, 146) of the first locating component (118, 160; 170) contacting the interior surface of the fairing sheath (116; 182); and wherein: the first locating component is located at a first position along a length of the fairing sheath; and the fairing assembly further comprises a second locating component located at a second position along the length of the strut and between a second portion of the strut and a second portion of the interior surface of the fairing sheath such that the second locating component establishes a desired orientation of the fairing sheath relative to the strut in a vicinity of the second locating component. the first locating component is located at a first position along a length of the fairing sheath; and the fairing assembly further comprises a second locating component located at a second position along the length of the strut and between a second portion of the strut and a second portion of the interior surface of the fairing sheath such that the second locating component establishes a desired orientation of the fairing sheath relative to the strut in a vicinity of the second locating component.