Turn and Bank Indicator Pioneer Type C635C-84 Aerial Refueling Measures ~4 inches triangularly by

Measures ~4 inches triangularly by ~2 inches deep

PBY Catalina seaplane

Shows aircraft deviation from the selected course

The dial markings are clear and precise

it is in fine condition given its apparent age

Turn and Bank Indicator Pioneer Type C635C-84 Aerial Refueling Measures ~4 inches triangularly byThis pneumatic Turn and Bank Indicator, Type C635C 84, is very similar to early WWII era Turn and Bank Indicators also made by Pioneer Bendix as appeared in military aircraft of the US Army Air Corps and US Navy. However, there does not appear to be any markings of either service branch, nor evidence of its year of manufacture. The design of the mounts of aircraft instruments evolved during early WWII from the dog ear style as seen on this instrument