WEB DESK: The airplanes are indeed a fascinating invention. And, it is praise worthy how with time, they are being advanced to facilitate passengers. Along side the travel ease, there are some secrets hidden in planes which you might never heard about but these secrets have a purpose to serve.Â
Find out more about airplane secrets here:
An ax in the cockpitÂ
As per laws of different countries, an is an emergency equipment and hence it is being stored in cockpit. It can serve multiple purposes from opening a stuck door to hacking a new one. Also, the markings given on the fuselage that show the best place to make an emergency exit.
A hole in the windows
You might have noticed hole in the windows. It has a purpose too as windows of airplanes have three pieces of glass, the outer one is made to maintain pressure at bay, the inner is given to deal with damage from inside and the in middle where the hole is made. This hole regulates airflow.
Air conditioning system
The air we breathe onboard came from a compressor stage of each engine turbine. It is kind of a superstition that the air in plane is dirty. However, this isn't the case as the air is filtered and cooled first. Those filters have ability to kill 95% of bacteria.
The black triangle
The black triangle on plane, although they are quite small but they have major purpose to serve. According to Airbus A320 captain,"These black triangle mark the places where the wings can be best seen from. A visual examination may be required if pilots have doubts regarding the positions of the flaps and indicators are out of order. Fortunately, this is a rare case."
Unlock the lavatory door
The 'lavatory' sign is basically used if anyone accidentally lock themselves in the airplane's bathroom. You just need to slide the knob into the unlocked position.
Source: Bright Side
