Which of the following are limitations when using SCBA units?

Using Self-Contained Breathing Apparatus (SCBA) units does come with various limitations that can impact their effectiveness in emergency situations. The correct answer emphasizes that all listed factors—agility and mobility, limited visibility, and muffled communication—are important considerations when utilizing SCBA.

Agility and mobility can be significantly affected due to the additional weight and bulk of the SCBA unit, making it harder for personnel to move quickly or perform tasks that require dexterity. This is particularly critical in tight spaces or when navigating obstacles.

Limited visibility is another notable limitation. SCBA masks can sometimes reduce peripheral vision and may fog up, especially in high-demand situations, making it difficult for users to maintain awareness of their surroundings. This reduction in visibility can compromise safety, particularly in environments filled with smoke or other obscurants.

Muffled communication is also an important issue since speaking through the mask can distort sound, making it challenging for team members to communicate effectively. Clear communication is essential in emergency situations, and the SCBA design can hinder this critical aspect.

Therefore, recognizing all of these limitations is crucial for fire brigade members when training and preparing for incidents, ensuring that they can mitigate risks associated with using SCBA in various conditions.