What is the primary purpose of a Trainer rotary wing aircraft?

The primary purpose of a Trainer rotary wing aircraft is to train new pilots. These aircraft are specifically designed or modified to provide instruction and allow novice aviators to gain the necessary skills and knowledge required for flying helicopters. They often have features that facilitate learning, such as dual controls for the instructor, ease of handling, and systems that replicate more advanced rotary wing aircraft to prepare trainees for real-world flying conditions. By focusing on training, these aircraft play a crucial role in developing proficient pilots who can transition to operational roles effectively.