An aircraft engine , comprising: a fuel manifold having an inlet nozzle , the fuel manifold mounted at a first mounting point of the aircraft engine , the inlet nozzle having a nozzle bore facing in a first direction; a fuel source mounted at a second mounting point of the aircraft engine , the fuel source having a source bore facing in a second direction; and a fuel manifold adapter in fluid communication between the fuel source and the inlet nozzle , the fuel manifold adapter characterised in that it comprises: a body having: a body-output interface defining a downstream end of a body passage including a body bore about a bore axis, the body-output interface movably and fluidly connectable to the inlet nozzle of the fuel manifold ; and a body-input interface defining an upstream end of the body passage , the body-input interface rigidly and fluidly connectable to the fuel source ; and a transfer tube having an upstream-tube end slidably engaged with the body along the bore axis via the body bore , the transfer tube having a downstream-tube end opposite the upstream-tube end slidably engageable along the bore axis with the inlet nozzle , the downstream-tube end defining a downstream end of the fuel manifold adapter relative to fuel flow through the fuel manifold adapter . a fuel manifold having an inlet nozzle , the fuel manifold mounted at a first mounting point of the aircraft engine , the inlet nozzle having a nozzle bore facing in a first direction; a fuel source mounted at a second mounting point of the aircraft engine , the fuel source having a source bore facing in a second direction; and a fuel manifold adapter in fluid communication between the fuel source and the inlet nozzle , the fuel manifold adapter characterised in that it comprises: a body having: a body-output interface defining a downstream end of a body passage including a body bore about a bore axis, the body-output interface movably and fluidly connectable to the inlet nozzle of the fuel manifold ; and a body-input interface defining an upstream end of the body passage , the body-input interface rigidly and fluidly connectable to the fuel source ; and a transfer tube having an upstream-tube end slidably engaged with the body along the bore axis via the body bore , the transfer tube having a downstream-tube end opposite the upstream-tube end slidably engageable along the bore axis with the inlet nozzle , the downstream-tube end defining a downstream end of the fuel manifold adapter relative to fuel flow through the fuel manifold adapter . a body having: a body-output interface defining a downstream end of a body passage including a body bore about a bore axis, the body-output interface movably and fluidly connectable to the inlet nozzle of the fuel manifold ; and a body-input interface defining an upstream end of the body passage , the body-input interface rigidly and fluidly connectable to the fuel source ; and a body-output interface defining a downstream end of a body passage including a body bore about a bore axis, the body-output interface movably and fluidly connectable to the inlet nozzle of the fuel manifold ; and a body-input interface defining an upstream end of the body passage , the body-input interface rigidly and fluidly connectable to the fuel source ; and a transfer tube having an upstream-tube end slidably engaged with the body along the bore axis via the body bore , the transfer tube having a downstream-tube end opposite the upstream-tube end slidably engageable along the bore axis with the inlet nozzle , the downstream-tube end defining a downstream end of the fuel manifold adapter relative to fuel flow through the fuel manifold adapter . <EOS>