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TheCosmicFrog

High-pitched sound after Before Takeoff Checklist - what is this?

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Hi all,

 

Have a question that I've been curious about for a while. What is the "high-pitched" sound I hear after completing the Before Takeoff Checklist? It sounds like something "spinning". I also seemed to be able to trigger it by turning on all external lights just before initiating the checklist.

 

You can hear the sound at 4:50 in the video below, just after the cabin chime. Thanks in advance!

 

 

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Hello,

Haven't had a chance to listen yet but if it's the sound I'm thinking of it's almost certainly the FO adjusting his seat for takeoff.

Sent from my GT-I9505 using Tapatalk

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12 hours ago, skelsey said:

Hello,

Haven't had a chance to listen yet but if it's the sound I'm thinking of it's almost certainly the FO adjusting his seat for takeoff.

Sent from my GT-I9505 using Tapatalk

 

Haha! No way! That's awesome if so.

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