Hank Sajovic provided us with the fire alarm office's extra alarm tab and box card for the 5-11 Alarm at O'Hare Field on March 9, 1963. It seems like the companies scheduled for the 5-11 shift never actually responded, based on the times listed. A friend who was on duty at Engine 56 that day mentioned that all the 5-11 companies were held up, as far as he recalls.

Steve

These photos give a rare glimpse into one of the most significant fire incidents in Chicago’s history. The 5-11 Alarm at O’Hare Field on March 9, 1963, was a major event that involved multiple fire companies responding to a large-scale emergency. While the exact cause of the fire remains unclear, the historical records and personal accounts from firefighters like Hank Sajovic and Steve Redick help preserve the memory of this day.

It’s interesting to see how the fire department operated back then—especially the use of physical alarm tabs and box cards, which were essential tools before digital systems took over. These artifacts are not just relics; they’re pieces of history that tell the story of the brave men and women who served their city under challenging conditions.

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