Prerequisites: English Aviation test, Class 1 medical, Fit and proper person, Commercial Pilots license (CPL), (turbine rating, dependant on the type of aircraft). + Night rating and Instrument rating.(A prerequisite to gaining your CPL is that you have already qualified for a Private Pilots License (PPL).

A Commercial Pilot flies an aircraft for monetary return meaning that they are paid for flying the aircraft. You can gain a CPL to fly either aeroplanes or helicopters and holding a CPL entitles you to carry fare paying passengers or be paid for your piloting services.
An EMS/SAR Pilot will fly helicopters and or aeroplanes for the purpose of transporting patients or person in need of assistance to safety or hospital. Additional requirements can be to assist the police or fire authorities.
As am EMS/SAR Pilot, you are in control of the aircraft on the ground and in the air and responsible for the safety of all involved. Your training will provide you with the skills to perform the required tasks. The experience gained from flying hours that are required to attain a CPL significantly contribute to your flying skills, however there are many additional hours of training and experience required prior to you being able to act as a pilot in command on EMS/SAR operations.
As the Pilot in command you will be required to prepare flight plans, check weather conditions before flights as well as check equipment and the condition of the aircraft before departure. Often most of this is done on commencing your scheduled duty so that you can respond in the minimum amount of time with the appropriate crew and equipment. Carefully planning and briefing of the crew on safety and flight details will ensure successful and safe flight.
EMS/SAR pilots often work irregular hours and with the use of Night Vision Goggles are often called to work at night.