The 400 series turns driven by ILS/VOR head
Ye olde 400 series autopilots analog left/right pickoff from ILS / VOR head.
My new avidyne (2 years) autopilot will follow course just fine from the new head.
Just no vertical follower circuit.
But that’s fine with me. I can push nose over, reduce power etc.
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David Wartofsky
Potomac Airfield
10300 Glen Way
Fort Washington, MD 20744
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