I changed two landing light bulbs in the 9 years I had my Super Viking...
Never had water infiltration... I simply used a thin bead of non hardening
marine caulk around the perimeter of the plexiglass...
denny

"Jay Honeck" wrote
I would suspect the bulbs last considerably longer, so far from the source
of vibration -- true?
--
Jay Honeck
Iowa City, IA
Pathfinder N56993
www.AlexisParkInn.com
"Your Aviation Destination"