The U.S. Fire Administration has released a report detailing the 115 firefighter fatalities it classifies as on-duty deaths that occurred in the United States in 2005.

The 115 deaths resulted from 109 incidents. There were four incidents involving multiple firefighter fatalities; those incidents accounted for 10 lives lost.

The average age of firefighters who died in 2005 was 47 years — the youngest was 18 and the oldest was 76. Vehicle crashes took 25 lives. Heart attack was the cause of 55 deaths.

The full report can be downloaded in PDF format from here. Additional information on firefighter fatalities, including the annual fatality reports from 1986 through 2004 and the Firefighter Fatality Retrospective Study 1990-2000, also can be found at the USFA’s Web site.