🛬🛬 Double Parallel Landing! United Express & Delta Air Lines Touchdown Together at SFO 🌉 -- #DeltaAirLines #UnitedExpress #SFO #ParallelLanding #AirportAction #fblifestyle #airplanespotting #flysfo #airlinelife #AviationUSA #sfflights | SF.Flights

Ever wondered how a giant airplane stops on a runway without skidding off? 🤯 The secret is thrust reversers—the engines’ way of helping the plane slow down safely. 🔹 What are they? Thrust reversers redirect the engine’s thrust. Instead of pushing the plane forward, they push air backward, helping the plane brake without relying only on the wheels. 🔹 How do they work? Plane touches down 🛬 Pilot activates the reversers Special doors inside the engine redirect airflow forward 💨 Plane slows dow