ENGCRS["Heathrow Airport Grid",
    EDATUM["Heathrow Airport Grid"],
    CS[Cartesian,2],
        AXIS["(E)",east,
            ORDER[1],
            LENGTHUNIT["metre",1]],
        AXIS["(N)",north,
            ORDER[2],
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Engineering survey, topographic mapping."],
        AREA["UK - Heathrow airport and surrounding area."],
        BBOX[51.42,-0.56,51.52,-0.37]],
    ID["EPSG",11378]]