FAA-listed STC holder
Hillsboro Aviation Inc STCs
The Jun 30, 2026 FAA DRS snapshot lists 11 selected supplemental type certificates with status Current under Hillsboro Aviation Inc. The records span 5 public aircraft directories and 5 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.
Modification mix
Recently revised records
Showing the 11 most recently revised records. Category directories provide the complete paginated discovery path.
11 displayed records.
Search every indexed record for this holder. The table below contains the recently revised records shown on this page.
| STC and modification | Aircraft / model / TC | Source status and dates | Holder and authority |
|---|---|---|---|
SH2394NMInstallation of AlliedSignal T5371A and T5317B engines in a Bell 205A-1 helicopter.Rotorcraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Hillsboro Aviation Inc FAA authority record |
SH2691NMFabrication, installation, and maintenance of the Vertical Reference Door.Aircraft structuresView record |
| Current at cited snapshot Application: | FAA holder: Hillsboro Aviation Inc FAA authority record |
SH2692NMInstallation of a Dual Electric Boost Pump System.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Hillsboro Aviation Inc FAA authority record |
SH4305NMInstallation of Centrisep AE-A170-5, -6, or -7 Air Cleaners.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Hillsboro Aviation Inc FAA authority record |
SH4775NMInstallation of a manual fuel start switch.Fuel systemsView record |
| Current at cited snapshot Application: | FAA holder: Hillsboro Aviation Inc FAA authority record |
SH5122NMInstallation of Howell H2900K-436 Exhaust Gas Temperature Indicator.Engine and powerplantView record |
| Current at cited snapshot Application: | FAA holder: Hillsboro Aviation Inc FAA authority record |
SH5132NMInstallation of new rotor blades and associated hardware.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Hillsboro Aviation Inc FAA authority record |
SH5797NMInstallation, maintenance, and operation of an engine wash kit.Engine and powerplantView record |
| Current at cited snapshot Application: | FAA holder: Hillsboro Aviation Inc FAA authority record |
SH5976NMCombine installation of new rotor blades approved under STC SH5132NM and installation of Allied Signal Model T5317A or T5317B engines approved under STC SH2394NM.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Hillsboro Aviation Inc FAA authority record |
SH5977NMThis supplemental type certificate (STC) applies to the model 205A-1 with either the T5317A or T5317B engine modified by STCs SH2394NM and SH5132NM, and the 210 helicopters (no modifications required) when operated with nine (9) or less passengers.Engine and powerplantView record |
| Current at cited snapshot Application: | FAA holder: Hillsboro Aviation Inc FAA authority record |
SR01226SEFabrication, installation and maintenance of this Left or Right Hand Pilot in Command modification.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Hillsboro Aviation Inc FAA authority record |