I’ve notice and I haven’t find the answer yet, so I’m here to ask you.
What is the line/pattern or whatever you call doing on/in the engine ?
Hello @Qantas_ryan !
I found a good link for you: http://aerosavvy.com/aircraft-engine-spirals/
Have a nice day,
@35000_feet
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To see if the engine is on/off.
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