IEFIS autopilot response tuning

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flyboy62000
Posts: 14
Joined: Sun Jul 30, 2023 12:57 pm

IEFIS autopilot response tuning

Post by flyboy62000 »

Can anyone help with iEFIS autopilot tuning? I have followed the autopilot manual tuning procedure and the autopilot holds heading and altitude well. However, when I go to any nav mode like GPS or VOR it is overcorrecting and continuously s-turning across the course at moderate frequency without increasing amplitude. Is there a setting that specifically deals with sensitivity to nav source? The SP-12 via CAN bus is the GPS source set in the iEFIS.
flyboy62000
Posts: 14
Joined: Sun Jul 30, 2023 12:57 pm

Re: IEFIS autopilot response tuning

Post by flyboy62000 »

Solved - turned off ARINC lateral steering pass through setting and AP was happy in all modes today.
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