Originally Posted by Uplinker
but the Airbus FBW adjusts for the extra IAS so the pilot doesn't have to and the flight path is not destabilised, hence the Airbus auto-thrust can be used when flying manually, whereas when flying the Boeing B737 manually; it is recommended not to fly with auto-throttle engaged.
I think you will find most modern types are designed to be flown with the ATS in at all times. Airbus is nothing special in this regard. It's
only the 737 that has an issue with pitch-power coupling and hence it's recommended to not use the ATS when handflying.