an airport inset light adjustable alignment container set provides a light fixture and stainless steel support for airport runway , taxiway , or other aircraft ground traffic areas . a variable length extension means rotatably adjusts height and azimuth by a rotatable vertical displacement . in one aspect , a previously installed , airport inset light and stainless steel base of the present invention receives a variable length extension assembly for rotatably adjusting the height and azimuth alignment of an airport inset light . rotation locking means are provided for securing the rotatable adjustment apparatus from further rotation . a novel stainless steel base is adapted to receive various different designs of inset lights and , in one aspect , to provide a stainless steel protection ring “ mud dam .”