IFSTA Aircraft Rescue and Fire Fighting (ARFF) Practice Test 2026 – All-in-One Prep Guide to Master Your Certification!

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Index C includes which length range?

Less than 90 feet

90 to less than 126 feet

126 to less than 159 feet

Index C is a reach-length category used in ARFF to classify equipment capability by how far it can reach. The standard brackets are: under 90 feet, 90 to under 126 feet, 126 to under 159 feet, and 159 to under 200 feet. Therefore, the range that fits Index C is 126 to under 159 feet. This helps you match the right aerial or access equipment to the distance you need to reach on an aircraft during rescue or firefighting operations.

159 to less than 200 feet