Weird blip during flight

Hi all! So, I recently upgraded my motors and ESCs because of a faulty motor. On my third flight or so, I noticed the craft during flight momentarily hiccuped and looked like it dipped down a couple of inches.

Once home, I reviewed the logs and found a dip and spike in current around the time in flight when the craft blipped. Can I ask your assistance to determine what could be the cause. The craft has been in the air since and have not experienced the issue but would like some expertise please. Here’s my log:

Thanks!

Not much to see. An untuned craft and the Notch filter isn’t doing anything set for ESC telemetry with none present. But, not flying that bad as a result.

If you want the Notch filter to do something set these parameters:

You are extremely lucky that it didn’t crash :slight_smile: .
It kind of works, although you configured a lot less than the bare minimum :open_mouth:

Do it properly and you will see that it can work a lot better still:
Methodically configure and tune ArduCopter

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