Ever Wondered Why We Always Enter And Exit From Left Side Of An Airplane?

Ever Wondered Why We Always Enter And Exit From Left Side Of An Airplane?
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Our CEO was on a hectic tour which asked hours and hours on a plane and that's when something struck him and it was about the doorway in airplanes. Airlines always use the left side for boarding and deboarding of passengers. But what are the reasons that decide which side is for what purpose? Why not the other end for the passengers? Why is it always left?

There must be some reason behind it. It can be a historical or technical reason. Here we bring you all the reasons that might answer this curious and logical question.

It goes back to ships.

It goes back to ships.

One speculation goes all the way back to the ships which had steering oar on the right side of boats because of which the ships were parked with the dock on the left so that the rudder of the ship does not get jammed between the ship and dock. Thus ships used their left side to embark and disembark off the passengers, so most airplanes and jetways were also designed this way. 

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Soldiers mounted their horses from the left side.

Soldiers mounted their horses from the left side.

This reason goes way back in time when men used to carry swords and travel on horses. The theory goes that since most of the men were right-handed and carried the sword on their left side of hip, they used to mount the horse from the left side so that the sword does not get in the way. And thus the tradition continued.

Biplanes from World War I.

Biplanes from World War I.
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The Biplane from World War I had the stirrup on the left side, thus pilots used to mount their planes from the left side.

This is what history tells us about this curious question, now let's look at what might be the technical reasons for it. 

Allows pilot to...

Allows pilot to...

Without it being a hazard to passenger, the pilot can keep the right side of engine running as a source of power and air.

Planes get their fuel from the right side.

Planes get their fuel from the right side.
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Since fueling is carried out on the right side of the plane. So for safety reasons, passengers movement are kept to the left side of the plane.

The Airbridges are on the left side of the plane.

The Airbridges are on the left side of the plane.
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Catering is loaded from the right side of the plane.

Catering is loaded from the right side of the plane.

The hold doors.

The hold doors.
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Since the hold doors are on the right side of the plane, the baggage, the fuel and catering take place on right side of the plane. So it would get pretty crowded if passengers are also boarded and deboarded from the side.

Thus there are many reasons why airlines always use the left side for boarding and deboarding of passengers.

Thus there are many reasons why airlines always use the left side for boarding and deboarding of passengers.
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