FAA-listed STC holder

Sierra Nevada Company LLC STCs

The Jun 30, 2026 FAA DRS snapshot lists 7 selected supplemental type certificates with status Current under Sierra Nevada Company LLC. The records span 12 public aircraft directories and 3 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.

listed Current at snapshot

aircraft directories

modification categories

Sep 29, 2025

latest recorded revision

Modification mix

Other aircraft modifications4 Aircraft connectivity2 Avionics1

Aircraft represented

Textron Aviation B300150 STCs Textron Aviation B300C109 STCs Pilatus Aircraft PC-12/45108 STCs Pilatus Aircraft PC-1294 STCs Textron Aviation B200C89 STCs Pilatus Aircraft PC-12/4785 STCs Pilatus Aircraft PC-12/47E65 STCs Bombardier DHC-7-10238 STCs Bombardier DHC-7-10317 STCs Bombardier DHC-7-1007 STCs Bombardier DHC-7-1015 STCs Bombardier DHC-7-13 STCs

Recently revised records

Showing the 7 most recently revised records. Category directories provide the complete paginated discovery path.

7 displayed records.

Search every indexed record for this holder. The table below contains the recently revised records shown on this page.

Sierra Nevada Company LLC supplemental type certificates, aircraft applicability, source status and dates
STC and modification	Aircraft / model / TC	Source status and dates	Holder and authority
ST12070MC Installation of non-essential, not required communications equipment. Other aircraft modifications View record	Deutsche Aircraft GmbH 328-100TC A45NM	Current at cited snapshot Revised Sep 29, 2025 Application: Mar 18, 2024	FAA holder: Sierra Nevada Company LLC FAA authority record
ST10398SC Installation of a WX-1000 Stormscope. Other aircraft modifications View record	Bombardier DHC-7-1TC A20EA Bombardier DHC-7-100TC A20EA Bombardier DHC-7-101TC A20EA Bombardier DHC-7-102TC A20EA Bombardier DHC-7-103TC A20EA	Current at cited snapshot Revised Dec 16, 2024 Application: May 27, 2004	FAA holder: Sierra Nevada Company LLC FAA authority record
SA00113MC Installation of mission equipment for TACAN, Storm Scope, Data Link, TA-24 GPS, military radio and APX-119 Transponder and provides for Synthetic Vision. Avionics View record	Textron Aviation B200CTC A24CE	Current at cited snapshot Revised Jul 9, 2024 Application: May 17, 2013	FAA holder: Sierra Nevada Company LLC FAA authority record
SA00159MC Outer Mold Line (OML) modification to include aircraft survivability equipment provisions, structural provisions for a new mission antenna suite and relocation of existing antenna. Aircraft connectivity View record	Textron Aviation B300TC A24CE Textron Aviation B300CTC A24CE	Current at cited snapshot Revised Jul 9, 2024 Application: Aug 17, 2016	FAA holder: Sierra Nevada Company LLC FAA authority record
SA00221MC Installation of non-essential, not required mission systems. Other aircraft modifications View record	Textron Aviation B300CTC A24CE Textron Aviation B300TC A24CE	Current at cited snapshot Revised Jun 11, 2024 Application: May 28, 2021	FAA holder: Sierra Nevada Company LLC FAA authority record
SA00028MC Installation of non-essential antenna and radome. Aircraft connectivity View record	Pilatus Aircraft PC-12TC A78EU Pilatus Aircraft PC-12/45TC A78EU Pilatus Aircraft PC-12/47TC A78EU Pilatus Aircraft PC-12/47ETC A78EU	Current at cited snapshot Revised Apr 19, 2024 Application: Dec 22, 2008	FAA holder: Sierra Nevada Company LLC FAA authority record
SA00229MC Installation of Dual Mode Recognition Lights. Other aircraft modifications View record	Pilatus Aircraft PC-12/45TC A78EU Pilatus Aircraft PC-12/47TC A78EU	Current at cited snapshot Revised Feb 26, 2024 Application: Feb 13, 2023	FAA holder: Sierra Nevada Company LLC FAA authority record

Modification mix

Aircraft represented

Recently revised records

Installation of non-essential, not required communications equipment.

Installation of a WX-1000 Stormscope.

Installation of mission equipment for TACAN, Storm Scope, Data Link, TA-24 GPS, military radio and APX-119 Transponder and provides for Synthetic Vision.

Outer Mold Line (OML) modification to include aircraft survivability equipment provisions, structural provisions for a new mission antenna suite and relocation of existing antenna.

Installation of non-essential, not required mission systems.

Installation of non-essential antenna and radome.

Installation of Dual Mode Recognition Lights.