3 ms·I've always wondered what the wheel tightening noises are right before taxiing.by givemeethekeys 3y agoI've always wondered what the wheel tightening noises are right before taxiing.trbleclef 3y agoThat's Airbuses. https://www.youtube.com/watch?v=oPUWaaXMvcg https://www.youtube.com/watch?v=oPUWaaXMvcgp1mrx 3y agoSo it's the hydraulic equivalent of a buck/boost converter?Faaak 3y agonicely put, but yeah. More pleasant than the dying whale sound™ produced by some of the engines they use (PW1000G)ttymck 3y agoDo you mean the drill-like noises (reminds me of racing impact wrench)? I always assumed that was the cargo pay door securing itself.