Private wrote:

There is a current thread, subject "Landing Lights at NAPA", on
rec.aviation.owning that discusses this subject extensively.

That thread is discussing the purchase of certified bulbs from non-aviation
suppliers. A GE landing light bulb is a landing light bulb no matter where you
buy it.

George Patterson
Drink is the curse of the land. It makes you quarrel with your neighbor.
It makes you shoot at your landlord. And it makes you miss him.