A lot of times when I'm on a plane, I hear the "Flight Attendant Page" bell thingy go off, but when I look up (because it has scared the crap out of me), I see that the exit signs are blinking. Can maybe someone who works on an aircraft tell me why they do this? It drives me insane, and I am a VERY nervous flyer. I have to fly next week so something to subdue even the tiniest of my fears would be great.
Answers:
This typically happens after the engines are started. Up to that point, all of the electrical power is supplied by the APU. Once the engines are up to speed, the pilots switch over to electrical power being supplied by the engine driven generators. This causes a momentary loss of power until the electrical bus switches over fully.
It happens on every commercial airplane. Nothing to worry about.
In the event of an emergency people need to have something to draw their attention to the exits. A blinking light catches the eye much more easily than a solid light.
It really increases your awareness of the lights.
US Airlines have a superb safety record, look at the statistics vs. auto highway travel. Sit back and relax. I'll bet you know more people who have been in car accidents than commercial air plane accidents.
I have never heard this before... I have flown ALOT and often in the exit row... if you are talking about the exit signs above the aisles, it is a little light that tells the flight attendant that they have been called... it will stop when the flight attendant reaches the people that called for assistance...
The simplest answer is that it helps you find them in an emergency. There is no other reason than that.
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