Get ready for the Wildland Firefighting Exam. Study essential skills and knowledge with our interactive quizzes and in-depth resources. Prepare yourself to ace the exam and embark on an essential career in fire management!

Practice this question and more.


What height qualifies thick brush to be classified as heavy fuel?

  1. 4 feet

  2. 6 feet

  3. 8 feet

  4. 10 feet

The correct answer is: 6 feet

Thick brush is classified as heavy fuel based on specific height criteria that influence its ability to burn and the intensity of the fire it can produce. A height of 6 feet is widely recognized within firefighting protocols as the threshold for heavy fuel classification. When brush reaches this height, it has the potential to sustain significant flame lengths and can contribute to the overall intensity and spread of a wildland fire. This is due to factors such as the increased volume of combustible material above ground, which can ignite and carry fire more effectively, creating greater challenges for fire suppression efforts. In contrast, brush that is shorter than 6 feet may not possess the same potential for sustained high-intensity flames or large fire spread. Fuels under this height are typically categorized differently and may not present the same level of risk or require the same firefighting strategies. Understanding the classification of fuels based on their height is crucial for effective fire management and planning, allowing firefighting teams to assess risks and allocate resources accordingly.