To become a commercial pilot in Dubai, you must have formal education, training, and certification. Here are the general steps and timeframes to become a commercial pilot in Dubai:

1. Obtain a Private Pilot License (PPL): You must be at least 17 years old and have a minimum of 40 hours of flight time to obtain a PPL. This typically takes several months to a year.

2. Obtain a Commercial Pilot License (CPL): After obtaining a PPL, you must complete additional flight hours and training to obtain a CPL. This typically takes an additional 6-12 months.

3. Gain Flight Experience: After obtaining a CPL, you will need to gain flight experience to qualify for a commercial pilot job. This can include working as a flight instructor or gaining experience through other aviation-related jobs.

4. Obtain Type Rating: To fly specific types of aircraft, you will need to obtain a type rating. This requires additional training and certification.

5. Obtain Airline Transport Pilot (ATP) License: To fly commercial airliners, you will need to obtain an ATP license. This requires additional training and certification.

The total time it takes to become a commercial pilot in Dubai can vary depending on the individual's circumstances, but it typically takes at least 2-3 years to obtain a CPL and gain flight experience. Additional time may be required to obtain type rating and ATP certification.