FAA STC category
Flight controls STCs
Primary and secondary flight-control, trim, flap, spoiler, and control-surface changes. This directory contains 607 selected records listed with status Current in the June 30, 2026 FAA DRS snapshot and links every entry to its source.
Installation of a Roll Disable System for Bendix/King KFC 225 Automatic Flight Control System.
FAA holder: Honeywell International Inc
Installation of King Model KFC-200 2-axis (3 optional), flight control system or optional KC-291 yaw damper controller.
FAA holder: Honeywell International Inc
Installation of King KFC 200 2 axis (3 optional) flight control system with KCS 55/55A compass and King KI-255 (or -256) flight command indicator or a KG-258 attitude horizon gyro with a KC-292 mode controller or third axis (yaw damper) only, or manual electric trim only.
FAA holder: Honeywell International Inc
Installation of KFC200 flight control system (2 axis).
FAA holder: Honeywell International Inc
Install KFC 200 two axis (three optional) flight control system.
FAA holder: Honeywell International Inc
Installa King KFC 250 flight control system (3 axis) using 3-inch or 4-inch indicators.
FAA holder: Honeywell International Inc
Installation of Bendix/King KFC 225 Automatic Flight Control System.
FAA holder: Honeywell International Inc
Installation of the King KFC-200 automatic flight control system.
FAA holder: Honeywell International Inc
ONE-ONLY STC, SN 175: Installation of dual Bendix/King KFC 400 Automatic Flight Control Systems.
FAA holder: Honeywell International Inc
Intallation of King KFC 300 automatic flight control system.
FAA holder: Honeywell International Inc
Installation of the Bendix/King KFC 150 two axis Automatic Flight Control System.
FAA holder: Honeywell International Inc
Installation of dual Bendix/King KFC 400 automatic flight control systems.
FAA holder: Honeywell International Inc
Installation of KFC-200 automatic flight control system (2 axis), with or without flight command indicator.
FAA holder: Honeywell International Inc
Install KAP 100 single axis, KAP 150 two axis, or KFC 150 two axis flight control system.
FAA holder: Honeywell International Inc
Installation of dual Sperry SPZ-7000 digital automatic flight control systems.
FAA holder: Honeywell International Inc
Installation of a King KFC 250 two axis flight control system with 4 inch indicators.
FAA holder: Honeywell International Inc
Install King KFC-250 flight control system (3-axis) using 3-inch or 4-inch indicators.
FAA holder: Honeywell International Inc
Installation of Sperry SPZ-200A automatic flight control system.
FAA holder: Honeywell International Inc
SN # DH 320: Installation of Bendix/King KFC 300 Automatic Flight Control System.
FAA holder: Honeywell International Inc
Installation of the Bendix/King KFC 225 Automatic Flight Control System: Required Data.
FAA holder: Honeywell International Inc
Install King KFC 250 Flight Control System (3 axis) using 3-inch or 4-inch indicators.
FAA holder: Honeywell International Inc
Installation of King KFC-300 automatic flight control system.
FAA holder: Honeywell International Inc
Installation of KAP 100 single axis flight control system.
FAA holder: Honeywell International Inc
Installation of a King KFC-250 3-axis flight control system with 4-inch indicators (category 1 configuration).
FAA holder: Honeywell International Inc
Installation of a King KFC-250 3 axis flight control system with 4-inch indicators (Category I configuration).
FAA holder: Honeywell International Inc
Installation of King KFC-400 automatic flight control system.
FAA holder: Honeywell International Inc
Install KAP 150 two axis or KFC 150 two axis Flight Control system.
FAA holder: Honeywell International Inc
Installation of King KFC 325 Automatic Flight Control System.
FAA holder: Honeywell International Inc
Installation of King KFC 250 flight control system (3 axis) using 3-inch or 4-inch indicators.
FAA holder: Honeywell International Inc
Installation of Sperry SPZ-8000 Digital Integrated Flight Control System.
FAA holder: Honeywell International Inc
Installation of Sperry SP-40C auto flight control system and SPI-73B Sperry instrumentation system.
FAA holder: Honeywell International Inc
Installation of KAP 100 single axis, KAP 150 two axis, or KFC 150 two axis flight control system.
FAA holder: Honeywell International Inc
Installation of Sperry digital automatic flight control systems for one or two pilot IFR/VFR operation.
FAA holder: Honeywell International Inc
Installation of a Garmin GFC 600H Flight Control System.
FAA holder: Garmin International Inc
Installation of an S-TEC 01326 Digital Flight Control System (DFCS).
FAA holder: S-TEC Corporation
Installation of an S-TEC 01326 Digital Flight Control System (DFCS).
FAA holder: S-TEC Corporation
Incorporation of certain modifications in the aileron and flap systems.
FAA holder: Quiet Wing Corporation
Installation of an S-TEC 01326 Digital Flight Control System (DFCS).
FAA holder: S-TEC Corporation
Deactivation of the Fly By Wire Elevator in a Bell 2 l 4ST Rotorcraft and associated hardware.
FAA holder: Erickson Incorporated
Installation of one-piece aluminum lever/fitting on elevator servo tab.
FAA holder: Kenmore Air Harbor LLC
Installation of an S-TEC O 1326 Digital Flight Control System (DFCS).
FAA holder: S-TEC Corporation
Installation of an S-TEC 01326 Digital Flight Control System (DFCS).
FAA holder: S-TEC Corporation
Fabrication and installation of modified inboard flap drive offset gearboxes.
FAA holder: Aviation Technical Services
Installation of an S-TEC 01326 Digital Flight Control System (DFCS).
FAA holder: S-TEC Corporation
Modification of the neutral settings of the inboard and outboard ailerons and aft flap segments.
FAA holder: Quiet Wing Corporation
Installation of an electric elevator trim system.
FAA holder: Swift Museum Foundation Inc
Installation of an S-TEC 01326 Digital Flight Control System (DFCS).
FAA holder: S-TEC Corporation
Installation of an S-TEC 01326 Digital Flight Control System (DFCS),.
FAA holder: S-TEC Corporation
Installation of replacement elevator spars, hinge fittings, and ribs.
FAA holder: Sterling Aviation Technologies Inc.
Installation of Garmin GFC 700 Automatic Flight Control System.
FAA holder: Diamond Aircraft Industries Inc.
Installation of modifications to align the vertical control surface with airplane centerline.
FAA holder: Hershey Flying Service Inc
Installation of an S-TEC 3100 (01326) Digital Flight Control System (DFCS).
FAA holder: S-TEC Corporation
Installation of flap actuated aileron droop system.
FAA holder: Sierra Industries Ltd.
Installation of full span flaps by removing aileron and changing deployment route of all flaps.
FAA holder: Sierra Industries Inc
Installation of positive flap retraction system.
FAA holder: Sierra Industries Ltd.
Installation of positive flap retraction system.
FAA holder: Sierra Industries Ltd.
Installation of drooped ailerons, drooped wing leading edge, stall fence and rudder seal.
FAA holder: Sierra Industries Ltd.
Installation of recontoured wing leading edge, stall fences, wing tips and positive aileron seals.
FAA holder: Sierra Industries Ltd.
Installation of recontoured wing leading edge, stall fences, wing tips and positive aileron seals.
FAA holder: Sierra Industries Ltd.
Installation of recontoured wing leading edge, stall fences, wing tips and positive aileron seals.
FAA holder: Sierra Industries Inc
Installation of leading edge cuff, drooped ailerons in flaps down mode, wing stall fences, raked wing tips, fuselage flap, stabilator trim spring and dorsal fin (optional). (PA-28-180 S/N 28-03, 28-1 thru 28-7205318; S/N 28-E13) (PA-28 SERIES 7305001 AN D UP.
FAA holder: Sierra Industries Ltd.
Installation of full span flaps by removing aileron and changing the deployment route of all flaps.
FAA holder: Sierra Industries Inc