SA1773CE-DFlight controls
Installation of King KFC 250 3-axis Flight Control System with 3-inch or 4-inch indicators and optional Altitude Preselect.
FAA holder: Honeywell International Inc
Aircraft STC directory
New Piper Aircraft PA-31P-350 STCs
The Jun 30, 2026 FAA DRS snapshot contains 5 selected supplemental type certificates with status Current whose public applicability data names the New Piper Aircraft PA-31P-350. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
5
listed Current at snapshot
4
holder directories
3
modification categories
Mar 21, 2020
latest recorded revision
Modification demand surface
Other aircraft modifications3
Flight controls1
Cargo and special mission1
Recently revised PA-31P-350 STCs
Showing the 5 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SA02119AKOther aircraft modifications
Installation of damage protection plates to inboard, lower side of flaps.
FAA holder: Hageland Aviation Services, Inc
SA1130SWOther aircraft modifications
Installation of side facing seats in accordance with (1) Custom Aircraft Conversions, Inc. Drawing List 7057, Revision B, dated 3/20/70, and E.O. No. 2, dated 11/6/71; or (2) Aviation Fabricators, Inc. STC Drawing List AF-206, Rev. (D), dated 5/5/98, or later FAA approved revision.
FAA holder: Aviation Fabricators Inc
SA01384CHOther aircraft modifications
Installation of various de-icer harnesses.
FAA holder: SMR Technologies