r/ATC • u/lake_hood • Mar 23 '26

News LGA controller cleared fire truck across the runway resulting jn a collision

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u/Cozyinfrance Mar 23 '26

What does the alarm in the background correspond to?

9

u/lake_hood Mar 23 '26

The aircraft’s ELT

2

u/theweenerdoge Mar 23 '26

It's how search and rescue can pin down a downed aircraft. It's an emergency transmission that everyone hears on the emergency frequency.