FlyerTalk Forums - View Single Post - 4 digital "chirps" before landing: what do they mean?

Dec 25, 2017 | 5:35 pm

#5

LarryJ

Join Date: Feb 2002

Location: BNA

Programs: HH Silver. (Former UA PP, DL PM, PC Plat)

Posts: 9,477

I think you're probably hearing the autopilot disconnect warning. You can hear it from a 320 on the following video starting at 0:09.

Most MM and OM are going away. Even where they still do exist, they aren't likely to be played on a speaker.

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