The slip indicator's ball (apparent vertical) has moved to the right during a right turn. By what actions may the ball led back to middle position?
Rate of Turn: In turning flight, the number of degrees of heading change per unit of time (usually measured in seconds) is referred to as the Rate of Turn. Is referenced Standard Rate Turn, also known as a Rate One Turn (ROT). A Standard Rate Turn is defined as a 3° per second turn, which completes a 360° turn in 2 minutes. This is known as a 2-minute turn, or Rate One (180°/min).
The bank angle required to conduct a turn at a specific rate is directly proportional to True Airspeed (TAS). As the angle of bank is increased, the horizontal component of lift increases, thereby increasing the Rate of Turn (ROT). At any given airspeed, the ROT can be controlled by adjusting the angle of bank.
Turn and Slip Indicator displays the Rate of Turn as well as Roll information and is used to determine the coordination of a Turn (e.g., slipping or skidding) and the bank angle required for a specific Rate of Turn (e.g., 2 minutes for 360º). The Turn Indicator is a gyroscopic instrument that works on the principle of precession. It’s also known as a Turn and Bank Indicator or Turn Coordinator.
A slipping turn is a turn where the aircraft’s nose is outside of the turning radius and the tail is in the turn radius. A slip is caused by using too much bank and too little rudder. In a slip, the rate of turn is too slow for the angle of bank, and the ball moves to the inside of the turn.
A skidding turn is a turn where the aircraft’s nose is inside of the turning radius and the tail is outside of the turn radius. A skid is caused by using too much rudder and not enough bank. In a skid, the rate of turn is too great for the angle of bank, and the ball moves to the outside of the turn.
To correct for these conditions, and improve the quality of the turn, remember to “step on the ball.” Varying the angle of bank, can also help restore coordinated flight from a slip or skid.
- To correct for a slip, decrease bank and/or increase the rate of turn.
- To correct for a skid, increase the bank and/or decrease the rate of turn.
If the Slip Indicator's ball (apparent vertical) has moved to the right during a right turn, that means that the aeroplane is slipping. The actions that may lead the ball back to middle position is to reduce bank and /or increase rate of turn.
Your Notes (not visible to others)
This question has appeared on the real examination, you can find the related countries below.
-
Austro Control