Installation of an agricultural spray system.
FAA holder: Siam Hiller Holdings Inc
Aircraft STC directory
Rogerson Hiller UH-12E STCs
The Jun 30, 2026 FAA DRS snapshot contains 13 selected supplemental type certificates with status Current whose public applicability data names the Rogerson Hiller UH-12E. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
13
listed Current at snapshot
3
holder directories
6
modification categories
Apr 15, 2009
latest recorded revision
Modification demand surface
Recently revised UH-12E STCs
Showing the 13 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
Installation of Hiller landing gear float kit No. 44012. (UH-12E modified per STC SH178WE).
FAA holder: Siam Hiller Holdings Inc
Installation of Hiller auxiliary fuel tanks kit No. 72041. (UH-12E modified per STC SH178WE).
FAA holder: Siam Hiller Holdings Inc
Installation and maintenance of a cabin heater system. (UH-12E modified per STC SH178WE).
FAA holder: Siam Hiller Holdings Inc
Installation of Soloy cargo racks.
FAA holder: Siam Hiller Holdings Inc
Installation of cargo release pedal.
FAA holder: Siam Hiller Holdings Inc
Installation and maintenance of engine inlet air cleaner system.
FAA holder: Siam Hiller Holdings Inc
Replace existing engine induction air filter with AC Spark Plug Filter.
FAA holder: Brackett Aero Filters Inc.
Installation of Chadwick Model C-512S spray system.
FAA holder: Tower Aerospace, Inc