Hello mates,I've been working on my 777 FDE in the past days and there's this problem that I can't find and fix. During the final approach on the ILS, the aircraft keeps banking from one side to another. It's not hard enough to take the aircraft out of the approach but still something that shoud not be there. Do you guys know what part of the AirEd is related with that area? What tables I can tweak?Thanks a lot.

Hello mates,I've been working on my 777 FDE in the past days and there's this problem that I can't find and fix. During the final approach on the ILS, the aircraft keeps banking from one side to another. It's not hard enough to take the aircraft out of the approach but still something that shoud not be there. Do you guys know what part of the AirEd is related with that area? What tables I can tweak?Thanks a lot.

At what height, at what angle and and what speed are you trying to engage with the ILS?vololiberista

In normal cases. Landing weight ~185k, flaps 30 and ~140kt. The AoA is just a little up to 0 which is absolutelly normal.

In general use HDG to turn inbound following the localizer indication and then engage APP. Don't engage APP or VOR/LOC when are on not very close to the inbound heading otherwise the aircraft may overcorrect and get in a servo hunting situation. Also I believe yaw damping during this stage remains on. Correct me if I'm wrong.

In normal cases. Landing weight ~185k, flaps 30 and ~140kt. The AoA is just a little up to 0 which is absolutelly normal.

You need to intercept the localisor with a 30 deg. deviation not less than 10DME from the threshhold at 180knts IAS and at 2,500ft so that you are below the glide slope. Even so if there is a strong cross wind the a/c may continue to hunt right down to the screen.vololiberista

She's intercepting like a sweet! The problem is when the plane is already on final approach course fully stabilished on localizer. It keeps banking all the time even on a windless approach.I think I didn't make myself clear last time. :( Thanks for the replies!

They probably got distracted by Mr.Bean :(

They probably got distracted by Mr.Bean :(

hahahahahhaha...it's funny, isn't it? :(

aircraft.cfg under autopilot:yaw_damper_gain=1.000000 try up or down to see effect. default is 1.0 If too high it will I think it will over-control. Too low and it will under control. This affects dutch roll in cruise but may affect all speeds.under flight_tuning:yaw_stability=1.0 increase value to get more damping (less sensitivity) for manual and AP control. Default=1.0rudder_trim_effectiveness=1.0 default. Since AP usually uses trim if too high it may overcontrol.These are my interpretations from the FS9 aircraft container SDK. make a backup of aircraft.cfg so you can get back to original values.Most airliners I think in their checklists call for yaw damper on in take-off and approach for normal procedures.The theory of using yaw dampers:http://en.wikipedia.org/wiki/Dutch_roll

aircraft.cfg under autopilot:yaw_damper_gain=1.000000 try up or down to see effect. default is 1.0 If too high it will I think it will over-control. Too low and it will under control. This affects dutch roll in cruise but may affect all speeds.under flight_tuning:yaw_stability=1.0 increase value to get more damping (less sensitivity) for manual and AP control. Default=1.0rudder_trim_effectiveness=1.0 default. Since AP usually uses trim if too high it may overcontrol.These are my interpretations from the FS9 aircraft container SDK. make a backup of aircraft.cfg so you can get back to original values.Most airliners I think in their checklists call for yaw damper on in take-off and approach for normal procedures.The theory of using yaw dampers:http://en.wikipedia.org/wiki/Dutch_roll

Thanks man. I'll tell you what I get. :(

Hello mates,I've been working on my 777 FDE in the past days and there's this problem that I can't find and fix. During the final approach on the ILS, the aircraft keeps banking from one side to another. It's not hard enough to take the aircraft out of the approach but still something that shoud not be there. Do you guys know what part of the AirEd is related with that area? What tables I can tweak?Thanks a lot.

Did you have this problem before you began working on the FDE?