"Midships," Ryan turned the wheel back to the right to center it, checking his rudder angle indicator.

Moreover, a rudder angle indicator that responds appropriately to the helm is part of the configuration.

A helmsman relies upon visual references, a magnetic and gyrocompass, and a rudder angle indicator to steer a steady course.

She dived and went deep but was severely jolted by four depth charges that knocked out her bow planes, rudder angle indicator, and port annunciator.

The wheelhouses of the two ferries differed slightly due to different positioning of rudder angle indicators and engine RPM gauges in the bridge wings.

Chadburn synchrostep telegraphs and rudder angle indicators, hydraulic steering telemotor and an automatic whistle control could be found in both the wheelhouse and the navigation boxes.