17 February, 2025. Toronto Pearson International Airport. Hawa 40 miles per hour se zyada speed se chal rahi hai. Runway par snow tirchi ud rahi hai. Ek regional jet — Delta Connection Flight 4819, jisme 80 log sawar hain — landing ke liye aa raha hai. Plane flare nahi karta. Sabse pehle right wing runway se takrata hai. Seconds ke andar wing ud jaata hai, plane 100 miles per hour se zyada speed par skid karta hai, aur poori tarah ulta palat jaata hai. Andar, 80 log apni seatbelts ke sahare latke hue hain. Fuel leak ho raha hai. Aag lagi hui hai. Nau minute baad, us aircraft mein maujood har ek insaan bahar, snow mein, zinda khada hai. Ye luck nahi hai. Ye ek system hai. Ek aisa system jo sau saal ki tragedies, engineering, law, aur mushkil se banaye gaye procedures se bana hai — jo turant harkat mein aa jaata hai jaise hi kuch galat hota hai, chahe wo runway par ek plane ho, ek scheduling meltdown jisme lakhon passengers phas jaate hain, ya phir desh ki capital ke upar ek river me...