What is the recommended time between overhauls for the 332D-11( ) vertical gyros?

According to the overhaul manual, it is recommended that the gyromotor bearings be replaced according to the Service Bulletin level of the specified unit. Without Service Bulletin 13, the recommended interval for overhaul is every 1000 flight hours. With Service Bulletin 13, the recommended interval for overhaul is every 2000 flight hours.

With Service Bulletin 26, the recommended interval is overhaul is every 3000 flight hours. More.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.