Issues with heading (LNAV and RNAV)

Version Information

26.1 15747

Device Information

Samsung S23 Ultra

Description

Hello
When I disconnect the LNAV the heading is automatically set to a random heading instead of keeping the current one.

Also, it seems autopilot is less accurate when intercepting RNAV flight plan and APPR mode

See below:


To me, it’s become better with the improvements in the autopilot turn logic being more proactive…

1 Like

Thanks

Not to keen on this latest addition. Transitions are not smooth

Only my opinion…

I’ve not done a approach yet but I tested the AP out of Boston off 09 west bound and it handled it perfectly much better than before

I agree, it still doesn’t have that predictive logic. I was hoping for turn anticipation with this fly by waypoint logic where it pre calculates based on the ground speed and bank angle precisely needed for the path and then dynamically refresh the angle irt when fighting winds to stay on the rail.

Currently from what I have observed it’s closer to the same reactive logic is the required bank angle and turn radius needed isn’t calculated beforehand and instead waits for the aircraft to near the next segment and then adjust the angle to stay on rail but unfortunately this only works on low altitudes as the turn radius required is much less and you’re slower so it can correct the angle aggressively to stay on path when you turn late but still can be problem for wide body jets though. So for high altitudes and wide bodies in general only with predictive logic it can smoothly turn without the risk of overshooting.