Final answer:
The stabilizer trim rate depends on the aircraft's design and varies for manual and automatic adjustments, with manual adjustments typically being slower to allow finer control. Specific rates are detailed in the airplane's flight manual and can vary by model, such as a Boeing 737 where illustrative rates may be around 0.10 degrees per second manually and 0.2 to 0.3 degrees per second for the autopilot.
Step-by-step explanation:
The stabilizer trim rate varies depending on the specific make and model of the aircraft, as it is determined by the aircraft's design parameters. The term stab trim rate refers to the rate at which the horizontal stabilizer can be adjusted to trim the aircraft, which affects its pitch attitude and consequently helps maintain level flight or a set climb/descent angle without constant control input.
Typically, there are different trim rates for manual (pilot or copilot) and automatic (autopilot) operations due to differences in actuator speeds and control logic. For a pilot or copilot making manual trim adjustments using a trim wheel or switch, the rate can be variable and is usually slower to allow for fine control. On the other hand, the autopilot may adjust the trim at a faster, predetermined rate to quickly achieve the desired aircraft attitude.
Without specific information on the aircraft type, the exact stab trim rates in degrees per second cannot be provided. It's important to consult the airplane's flight manual for exact figures specific to the model in question. As a general example, for a Boeing 737, the pilot and copilot may have a manual stab trim rate of around 0.10 degrees per second, whereas the autopilot stab trim rate might be around 0.2 to 0.3 degrees per second, although these values are purely illustrative and should be verified with official documentation.