The cache is not at the posted co-ordinates. Please do not go there... you might get run over by an aeroplane or arrested or something!
Instead you can find the cache location by solving the following puzzle:
LYX EWR LSC CPT LGW
CPH LED SAW ALY DUR
AGA OPO ALA DXB ERS
PDX YVR YQB DET LAP
SHA XUZ PUS NRT MNL
MIA RHO EZE TNR MCO
GZ: N 50° 57.??? E 000° 55.???