Yes. The ratcheting sound is deliberate, so the pilots don't need to see the whe... | Hacker News

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		WalterBright on March 20, 2019 \| parent \| context \| favorite \| on: Cockpit voice recorder of Lion Air jet depicts pil... Yes. The ratcheting sound is deliberate, so the pilots don't need to see the wheels spin to know the trim is running. Also note that there's a white stripe on the wheel so it's easy to see it is running.

jacobush on March 20, 2019 [–]

Someone else in the thread said newer models don't make a sound.

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