Flap Position Indicator, 0-45 Degrees, Bendix Type 20000-11M-4 Halifax Pipsqueak was a simple radio

Pipsqueak was a simple radio navigation system used by the British during the early part of World War II

When flying over the transmitter

which in turn would transmit these signals to smaller repeater indicators located at other positions such as the pilots instrument panel

The dial markings are clear and precise

The C-11 displayed engine RPMs in hundreds

Flap Position Indicator, 0-45 Degrees, Bendix Type 20000-11M-4 Halifax Pipsqueak was a simple radioThis is a vintage Wing Flap Position Indicator made by Bendix. The instrument is in exceptional condition for its age, likely 1940 50's vintage, likely for a large multi engine aircraft. The dial markings are clear and the glass and case are intact. See photos. Measures 3. 25 inches diameter and ~3 inches deep.