What is a main advantage of donning SCBA from a backup mount?

Donning Self-Contained Breathing Apparatus (SCBA) from a backup mount offers the main advantage of quick access to the SCBA. In emergency situations, time is a critical factor, and being able to rapidly put on an SCBA can significantly enhance a firefighter's safety and effectiveness. The backup mount is strategically located to ensure that the equipment is readily accessible, enabling rapid response to hazardous environments, especially where breathing apparatus is essential for survival.

Quick access also means that firefighters can maintain their operational readiness and be prepared to enter immediately, which is vital in situations where air quality is compromised. This maximizes their ability to perform necessary tasks like search and rescue or fire suppression without unnecessary delays. Other factors, such as safety from fire hazards or comfort during use, while important, do not directly relate to the specific immediate advantage provided by the efficient accessibility of the equipment.