"Passengers on Delta Flight 3248 got an unusual welcome at the gate in Pittsburgh on Saturday: the unmistakable roar of a giant airbag filling. A passenger recalled hearing a "boom" when an emergency evacuation slide deployed - a nightmare for the crew and passengers, and a likely expensive bill for Delta. A Delta spokesperson told Business Insider that the incident occurred on an Airbus A220 parked at the gate after it had flown from Salt Lake City."
"Here's what that means: Before takeoff, flight attendants "arm" the doors so that if they're opened, the slide automatically inflates for an emergency evacuation. Think of it like flipping a switch. After landing, they "disarm" (or switch off) the slide mechanism, allowing the doors to be opened normally. If an armed door is opened from the inside - even just by pulling the handle - the slide bursts out in seconds, and it can't be stopped."
A Delta Airbus A220 at the gate in Pittsburgh deployed an emergency evacuation slide after a crew member opened the door without disarming it. Before takeoff, flight attendants arm doors so slides inflate automatically if opened; after landing they disarm the mechanism to allow normal opening. If an armed door is opened from the inside, even by pulling the handle, the slide inflates within seconds and cannot be stopped. Repacking an undamaged slide can cost up to $12,000, with inspections and repairs or replacements adding about $20,000. Industry experts estimate total operational costs could reach $100,000, while Airbus estimated up to $200,000.
Read at Business Insider
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