May 15, 200224 yr OK, you guys have managed to get yourselves all confused about this one! I'll try and clear a few things up.First thing, I have a feeling this is all going to vary based on airline procedures and limitations, and the type of FMC/AFDS used by each carrier. We operate a lot of different variations of the 767, and I think the procedures are based on the most limiting type (ie 762 with no speedtape, basic (non-PIP) FMC, standard EICAS computers etc).We are NOT allowed to use any modes for takeoff, other than TO. We are not allowed to ARM ANY modes on the ground. (The debate as to whether modes will engage on the ground, or whether CMD can be selected on the ground is totally irrelevant because there is no circumstance when you would ever want to do this... what will it achieve?).After lift-off you follow the guidance provided by TO pitch and roll modes. The pitch will command V2+15-25, and roll will command your track at 5ft RA after takeoff.You MAY select (arm or engage) a roll mode any time after takeoff once the climb has been "stabilised", however standard procedure is to select a roll mode at 400ft. This will normally be LNAV provided the map position is accurate (our aircraft dont have GPS), however it does not preclude you from remaining in TO mode if the departure calls for maintaining runway track.Pitch mode will remain in TO until flap retraction altitude (normally 1000ft, may be higher due to terrain/noise considerations). At 1000ft select climb thrust on the TMCP, and select a pitch mode. This will usually be VNAV, however FL CH or V/S may be used (I can't think of a situation when V/S would be used, as it will not provide maximum efficiency, and will not provide stall protection on climb).You may choose to hand-fly this whole procedure, or you may, at any altitude above 200ft engage an autopilot to CMD mode.Hope that clears the takeoff procedure up a little!
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