Why don't modern airplanes have cup holders at seats? - Quora

How do airlines maintain the balance of a plane with a 3x2 seating configuration in which there is appreciably greater weight on one side of the plane? - Quora

Can any plane carry 1000 passengers? - Quora

Why don't modern airplanes have cup holders at seats? - Quora

Given the amount of military aircraft that have been made, why aren't there old airplanes everywhere? - Quora

Why are airplane seats typically configured in a 3-3 layout? - Quora

Why aren't large airplanes with 3 rows of seats used anymore? 3 seats on the sides and 5 seats in the middle in each row. Now they're small planes with only 3

What is the position of an aircraft's flight engineer in a cockpit? - Quora

How do airlines maintain the balance of a plane with a 3x2 seating configuration in which there is appreciably greater weight on one side of the plane? - Quora

Why are the seats so tight on airplanes? - Quora

Are the pilots of any cargo or passenger planes provided ejection seats? - Quora