331A

The 331C is a Cockpit Instrument designed to display 4 flight functions: Displacement to a selected Omni-range, Compass Heading, To-From Information and Bearing Information.

Brochure

331A Course Line Indicator, Page 1

331A Course Line Indicator, Page 2

331A Course Line Indicator, Page 3

331A Course Line Indicator, Page 4

Circa

1940’s