An aviation obstruction lighting system having a lamp mounted on the an aviation obstruction at an elevation sufficiently high to serve as a warning of the presence of the obstruction to pilots of approaching aircraft, a remote light source, and an optical waveguide connecting the lamp and the light source and conducting light from the light source to the lamp. A selected zeolite catalyst is used in the method. An AAA battery 2B is inserted into a flexible arch 14 and retained in a fixed position in the battery pocket 3.