Aircraft STC directory
Sierra Hotel Aero Navion (Army L-17A) STCs
The Jun 30, 2026 FAA DRS snapshot contains 11 selected supplemental type certificates with status Current whose public applicability data names the Sierra Hotel Aero Navion (Army L-17A). Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
Modification demand surface
Recently revised Navion (Army L-17A) STCs
Showing the 11 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
Installation of C&D Associates Combustion Heater Kit P/N CD11007K8.
FAA holder: Hartzell Engine Technologies, LLC
Installation of C&D Associates Combustion Heater Kit 23 (P/N CD12008K23R or CD12016K23R) or Kit 27 (P/N CD12017K27L or CD12018K27L).
FAA holder: Hartzell Engine Technologies, LLC
Installation of a Voice Alert System.
FAA holder: Aircraft Components Inc
Installation of Jasco Alternator Kit. Models 6555-2 and 6555-2-2.
FAA holder: Hartzell Engine Technologies, LLC
Installation of Navion/Brittain Model N-2 Flight Control System.
FAA holder: Brittain Industries, Inc
Installation of Brittain Industries NAV-2B flight control system.
FAA holder: Brittain Industries, Inc