SA02738CH (PAGE 4)Avionics
Installation of L-3 Communications Avionics Systems.
FAA holder: Acron Aviation Inc.
Aircraft STC directory
Cessna Aircraft 321 STCs
The Jun 30, 2026 FAA DRS snapshot contains 6 selected supplemental type certificates with status Current whose public applicability data names the Cessna Aircraft 321. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
6
listed Current at snapshot
4
holder directories
3
modification categories
Apr 1, 2025
latest recorded revision
Modification demand surface
Other aircraft modifications3
Avionics2
Engine and powerplant1
Recently revised 321 STCs
Showing the 6 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SA00780SE (PAGE 2)Other aircraft modifications
Installation of the True Lock Safety Retention Axle Lock Nut System.
FAA holder: True Lock LLC
SA01085LA (PAGE 1)Avionics
Installation of the VNS 1000 Voice Navigation System.
FAA holder: VNS Incorporated
SA01988SE (PAGE 3)Engine and powerplant
Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data) MVP-50P.
FAA holder: Electronics International Inc.
SA2586NM (PAGE 2)Other aircraft modifications
Installation of J.P. Instruments temperature monitoring systems.
FAA holder: J P Instruments