Friday, November 6, 2009

Fix for Captain Sim 767 Rocking Issue

Many of you who have already picked up the Captain Sim 767 know what I am talking about: there is a rather annoying bug when having the autopilot follow the glideslope on APP mode in an ILS descent. On the automated descent, the plane begins to rock rather violently from side to side, almost as if you were landing with a 30 knot crosswind, even when the winds are calm! I have observed this personally on both the 767-300 base model and the 767-200 expansion model. This ruined a perfectly nice flight I took on the 767-200 from Schiphol to Houston Bush Intercontinental, for what it's worth...was not able to control the landing, and I landed in a part of Bush where planes aren't supposed to land. :-(

Somehow, it seems that the flight dynamics on the 767 are a little off. Fortunately, some folks on the Captain Sim forums are on the case, and posted a fix for the 767-300 here. You'll need to hack your aircraft.cfg files for each plane. Check it out, if you need it. I actually scaled the values back a little for the 767-200...not sure if the mathematics/physics work out correctly on that, but it seemed to yield satisfactory results when I test landed my modded 767-200 using the ILS on 35L at Austin-Bergstrom last night.

Reportedly, the 767 Freighter does not suffer from this issue. Hopefully the Captain Sim folks will roll the fixes into the 767-200 and 767-300 models in their next service update.

Now if they would just fix those remaining minor-but-pesky FMS bugs in both the 757 and 767...

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