Fire Equipment Safety (Module 2): Critical Bolt Inspection and Torquing for Aerial Devices


The purpose of this program is to educate fire departments using aerial devices about the different aspects of aerial inspections and to build awareness of the Fire Equipment Safety (FES) services provided by UL. This module provides an overview of the inspection and testing requirements for critical fasteners found under Chapter 22 of the NFPA 1911 Standard for the Inspection, Maintenance, Testing, and Retirement of In-Service Emergency Vehicles. Gain an understanding of the inspection requirements for critical fasteners such as inspection frequency, required tools, critical fastener location and how to ensure that fasteners are properly fitted and torqued.

Course content will remain available as a reference for 1 year from the date of purchase, and may be accessed at any time during those 12 months.


Upon completion of this course, participants should be able to:

  • Describe the inspection requirements for critical fasteners used on aerial devices
  • List the tools required for inspecting critical fasteners on aerial units
  • Identify the necessary qualifications for personnel conducting the inspections of aerial units
  • Identify the location of critical bolts that need to be inspected
  • Inspect critical bolts on assemblies mounted to the chassis
  • Inspect critical bolts mounted to the turntable and boom

Learning objectives will be measured by progressive knowledge checks and engagement interactions.

Target Audience

  • Fire departments who use or are considering using aerial device units
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Time Requirement


Web-Based Approximately 40 minutes

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