How Pilots Land Without Hydraulics or Power

What is the ultimate backup plan when a multi-million dollar airliner goes completely dark?

Modern aviation is incredibly safe, but engineers always prepare for the worst. If an aircraft suffers a total hydraulic and electrical failure, pilots can't use normal switches to deploy the landing gear. Instead, they rely on a brilliantly simple mechanical override called "Gravity Gear Extension."

By pulling a physical lever in the cockpit, the pilots manually release the locks. The sheer weight of the landing gear causes it to drop out of the fuselage. Then, the immense aerodynamic drag from the air rushing under the plane pushes the landing gear struts back into their locked position. It is an absolute masterpiece of fail-safe aerospace engineering, proving that sometimes, gravity is the only technology you need.