MUCH safer then your drive to the airport. You are many times more likely to die on your way to the airport then you would be flying an any aircraft (even private).
Although they are smaller and and are easily thrown around in the air, these planes are actually safer because they are made to ride the wind, instead of shouldering aside the wind as big airliners do.
Depends on your definition and what kind of airplane. Large commercial airplanes are the most efficient way to move people. Small airplanes are horrible wastefull things.
Boeing Commercial Airplanes was created in 1916.
Boeing Commercial Airplanes's population is 60,000.
Bathrooms
Yes, but not commercial airplanes.
The smallest size of commercial safe will vary depending on the manufacturer you purchase it from. Prices will also vary and would be cheaper if you purchase a used safe. Don't forget to lock your safe!
Most small airplanes are not air tight (or even completely encased) because thy do not need pressurization. Commercial planes fly at altitudes where there is not enough oxygen to sustain life, requiring pressurization.
The most popular commercial airplane is the Boeing 737.
Hundreds of thousands! (approx.)
Countless.
Stratosphere