I've got a Whelen model A600 wing tip Nav/Strobe light on each wing and they works great but I broke one of the incandescent Nav light bulbs and was shocked at the certified replacement cost from ACS. I did find some non-certified replacement LED bulbs for the Nav lights from Aero-lite.com that consume significantly less current (300 milliamps vs 2 amps) and are significantly cheaper ($28 each vs $90 each) to replace than the certified incandescents (and they seem brighter than the incandescents). Although the remaining incandescent strobe bulb still works fine I'd love to replace it with an LED also and eliminate the 2 lb strobe power supply that's mounted behind the pilots seat in the process. I'm not looking to replace the entire fixture with a new LED only model (too expensive). Does anyone know of a direct replacement LED strobe bulb that fits the Whelen A600 light fixture?

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