Final answer:
The Embraer EMB-145 has a maximum Mach number of approximately Mach 0.78. Exceeding this speed can cause aerodynamic issues, so pilots must adhere to this operational limitation for safety.
Step-by-step explanation:
The maximum Mach number for the Embraer EMB-145 is approximately Mach 0.78. The EMB-145, a regional jet produced by the Brazilian aerospace company Embraer, has been designed to provide efficient performance for short to medium-range flights. The Mach number, a dimensionless quantity in aeronautics, indicates the ratio of the speed of the aircraft to the speed of sound.
Operational limitations such as maximum Mach number are critical for pilots and aviation professionals to ensure safe and efficient flight operations. Surpassing the max Mach could lead to undesirable aerodynamic phenomena like shock waves that may affect the aircraft's structure and handling characteristics. Therefore, adherence to the specified maximum Mach limit is a standard operating procedure.