What is the primary purpose of establishing a body position below the neutral plane during a search?

The primary purpose of establishing a body position below the neutral plane during a search is to reduce smoke inhalation. In a fire environment, smoke and heat tend to accumulate closer to the ceiling due to their lower density compared to cooler air. By positioning the body below the neutral plane—the level where temperatures and smoke concentration begin to stabilize—firefighters can access cleaner air. This position allows them to navigate through smoke-filled spaces more safely and effectively, thus protecting their respiratory health and enhancing their ability to carry out search and rescue operations efficiently.