Aerodrome Technical, LLC has developed a landing light Supplemental Type Certificate (STC) for the SR20 that completely isolates the landing light from both engine vibrations and propeller pulse. It also eliminates the need for placing aluminum tape over the top half of the light bulb. The result is a cheaper landing light that lasts longer with either approximately the same or greater effective light output depending on the light bulb selected by the owner/operator.
The STC authorizes the use of either the original landing light bulb from Cirrus Design, or a common GE 4596 28-volt 250-watt (or equivalent) landing light bulb (used in many other aircraft such as Cessna).
The landing light STC is installable in one afternoon (about three or four hours of labor), weighs lees than 1 lb, is simple to install and fits almost completely inside the engine cowl out of the way of the engine air inlet. The cost of the STC kit is $450.00 US.
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