Should all fire apparatus tires be changed every 7 years?

NFPA 1911, Standard for the Inspection, Maintenance, Testing and Retirement of In-Service Automotive Fire Apparatus, states that fire apparatus tires must be replaced every seven years. With the upcoming edition of the standard now in cycle, the NFPA 1911 Technical Committee is recommending that this requirement remain unchanged. Not everyone agrees. Some factions have noted that fire departments use their apparatus to different degrees, and that the level of wear on tear on tires varies based on the type of community a fire department serves. For example, an urban fire department may use its fire apparatus every day, while a...