Which instrument is primarily used to indicate rate of turn and coordination?

Which instrument is primarily used to indicate rate of turn and coordination?

• A. Turn Coordinator
• B. Attitude Indicator
• C. Altimeter
• D. Heading Indicator

Answer: (A)

The instrument that shows rate of turn and coordination is the Turn Coordinator. Its gyroscope is mounted at a tilt, so it responds to both yaw (turn rate) and roll, letting the miniature airplane deflect in proportion to how quickly you’re turning. The slip-skid ball beneath it indicates coordination: when the ball is centered, the turn is coordinated; when it’s off-center, you’re slipping or skidding. The Attitude Indicator only shows the aircraft’s orientation relative to the horizon, not how fast you’re turning. The Altimeter shows altitude, and the Heading Indicator shows heading. So the Turn Coordinator uniquely provides both rate of turn and coordination information.

The instrument that shows rate of turn and coordination is the Turn Coordinator. Its gyroscope is mounted at a tilt, so it responds to both yaw (turn rate) and roll, letting the miniature airplane deflect in proportion to how quickly you’re turning. The slip-skid ball beneath it indicates coordination: when the ball is centered, the turn is coordinated; when it’s off-center, you’re slipping or skidding. The Attitude Indicator only shows the aircraft’s orientation relative to the horizon, not how fast you’re turning. The Altimeter shows altitude, and the Heading Indicator shows heading. So the Turn Coordinator uniquely provides both rate of turn and coordination information.