Request For Price Alternate Part NumberPart NameReplaced PNQuanityMaterial Condition Mitchell Model AK494 or AK494FD Century IV Autopilot or Century IV Flight Director Autopilot - Factory New New Unused Surplus Overhauled Used Any Aircraft Models Piper (PA-23-250, S/N 27-3944 and Up and PA-E23-250, S/N 27-3944 thru 27-7554181 (28 V). 1A10) Company Name First Name * Last Name * Email * Phone Number * Notes Sales Order T&CPrivacy Policy Send Request Please note that by requesting pricing, you are accepting our Sales Order T&C and Privacy Policy. For more information, please follow the links under the policy menu below.