List of aircraft (R)
[[Retz Aero Shop|Retz]]
### [Retz](/wiki/Retz_Aero_Shop "Retz Aero Shop")

((Robert E) Retz Aero Shop, Farmland IN.)
* [Retz R\-1](/wiki/Retz_R-1 "Retz R-1")
* [Retz R\-2](/wiki/Retz_R-2 "Retz R-2")
* [Retz R\-3](/wiki/Retz_R-3 "Retz R-3")
* [Retz R\-4](/wiki/Retz_R-4 "Retz R-4")
* [Retz R\-5](/wiki/Retz_R-5 "Retz R-5")
* [Retz R\-10](/wiki/Retz_R-10 "Retz R-10")


What are some common issues with small airframe manufacturers like the Retz Aero Shop?