Service testing of fire department aerial devices
UL's comprehensive on-site inspection program to determine compliance with NFPA 1911, Standard for Inspection, Maintenance, Testing, and Retirement of In-Service Automotive Fire Apparatus, 2012 Edition Chapter 19 -Performance Testing of Aerial Devices, includes:
- Nondestructive examination of all accessible structural weldments
- Visual inspection of hydraulic and mechanical components of the aerial device
- Torque verification of critical mounting bolts
- Visual and ultrasonic inspection of all critical mounting bolts, pins and hollow I-beam baserails
- Operational testing of the aerial device
- Load testing of the aerial device (Free hanging weights - no pull down method)
- ALL Waterway system tests
- Hydraulic oil analysis as required by NFPA 1911
A very comprehensive report detailing the results of all items inspected and tested is provided to the customer. Nondestructive testing is performed by certified Level II NDT Technicians as specified in the American Society of Nondestructive Testing (ASNT) CP189, Standard for Qualification and Certification of Nondestructive Personnel. UL is an independent third-party testing organization, and is accredited by International Accreditation Services for inspection and testing systems on fire apparatus in accordance with ISO/IEC 17020, General criteria for the operation of various types of bodies performing inspection. This service is offered annually to determine if the equipment continues to meet NFPA standards.
Get started
To receive the most complete and accurate inspection of your automotive fire equipment, please contact us or e-mail your request to fes@ul.com.


