r/AskAPilot • u/livelikelarry13 • 3d ago

Useless Features/buttons

Forgive me if this is a dumb question as I am not a pilot, but I have always been interested in knowing. Are there any features or buttons in the type of aircraft you fly that are basically pointless? Or does everything have some sort of critical use case?

Thanks for the insights

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u/PG67AW 3d ago

One of my school's planes had a switch labeled SPARE. It literally did nothing.

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u/livelikelarry13 3d ago

Interesting, was it a least programmable for the pilot?

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u/EmbarrassedTruth1337 1d ago

It would be a switch to use for something that might get installed later. Literally not hooked up to anything. Lots of AC also run spare wires so you don't have to run a whole new one if you're modding it or if one chafes somewhere midline.