Request For Price Alternate Part NumberPart NameReplaced PNQuanityMaterial Condition ST-724-20/30 Autopilot Modification Part Factory New New Unused Surplus Overhauled Used Any Aircraft Models Thompson, Jimmie (Navion Models A, B, D, E, F, G, and H When Modified By Palo Alto Airport, Inc. or Symon's Engineering Hori-zontal Stabilizer Angle of Incidence Change, Navion A, B, D, E, and F When Modified Per STC SA4-241 (Stabilizer Modification) and STC SA4-915 (Tip Tanks) and Models G and H) 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.