Traveling can be stressful for anyone, but it can be especially challenging for passengers with disabilities. One of the biggest challenges for aviation services is dispatching wheelchairs for passengers who require them.
security
The cockpit door automatically locks, but a keypad outside allows a flight attendant to insert a security code to gain access. A buzzer sounds, and the pilots must switch the door control inside the cockpit to “unlock” to release the door after verifying the crew member through a peephole or video surveillance.