FAA-listed STC holder

Basler Turbo Conversions LLC STCs

The Jun 30, 2026 FAA DRS snapshot lists 8 selected supplemental type certificates with status Current under Basler Turbo Conversions LLC. The records span 12 public aircraft directories and 4 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

Nov 12, 2024

latest recorded revision

Modification mix

Other aircraft modifications5 Avionics1 Cabin and interiors1 Flight controls1

Aircraft represented

Boeing DC3C-S4C4G91 STCs Boeing DC3C-S1C3G90 STCs Boeing DC3C-SC3G88 STCs Boeing DC3C-R-1830-90C87 STCs Boeing DC3A-S1C3G70 STCs Boeing DC3A-SC3G68 STCs Boeing DC3A-S1CG66 STCs Boeing DC3A-SCG65 STCs Boeing DC3D-R-1830-90C65 STCs Boeing DC3A-S4C4G64 STCs McDonnell Douglas DC3C-SC3G4 STCs McDonnell Douglas DC3C-S1C3G3 STCs

Recently revised records

Showing the 8 most recently revised records. Category directories provide the complete paginated discovery path.

8 displayed records.

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

Basler Turbo Conversions LLC supplemental type certificates, aircraft applicability, source status and dates
STC and modification	Aircraft / model / TC	Source status and dates	Holder and authority
ST04350CH Installation of an S-Tec Autopilot System. Avionics View record	Boeing DC3C-R-1830-90CTC A-669 Boeing DC3C-S1C3GTC A-669 Boeing DC3C-S4C4GTC A-669 Boeing DC3C-SC3GTC A-669	Current at cited snapshot Revised Nov 12, 2024 Application: Sep 4, 2018	FAA holder: Basler Turbo Conversions LLC FAA authority record
ST04308CH Installation of Underside Roller Doors. Other aircraft modifications View record	Boeing DC3A-SC3GTC A-669 Boeing DC3C-R-1830-90CTC A-669 Boeing DC3C-S1C3GTC A-669 Boeing DC3C-S4C4GTC A-669	Current at cited snapshot Revised Sep 21, 2023 Application: Feb 5, 2018	FAA holder: Basler Turbo Conversions LLC FAA authority record
ST03318CH Installation of an EO/IR System. Other aircraft modifications View record	Boeing DC3A-S1C3GTC A-669 Boeing DC3A-S1CGTC A-669 Boeing DC3A-S4C4GTC A-669 Boeing DC3A-SC3GTC A-669 Boeing DC3A-SCGTC A-669 Boeing DC3C-R-1830-90CTC A-669 Boeing DC3C-S1C3GTC A-669 Boeing DC3C-S4C4GTC A-669 Boeing DC3C-SC3GTC A-669 Boeing DC3D-R-1830-90CTC A-669	Current at cited snapshot Revised Feb 21, 2022 Application: Feb 4, 2014	FAA holder: Basler Turbo Conversions LLC FAA authority record
ST04223CH Installation of Provisions for a Light Detection and Ranging (LIDAR) System. Other aircraft modifications View record	Boeing DC3A-S1C3GTC A-669 Boeing DC3A-S1CGTC A-669 Boeing DC3A-S4C4GTC A-669 Boeing DC3A-SC3GTC A-669 Boeing DC3A-SCGTC A-669 Boeing DC3C-R-1830-90CTC A-669 Boeing DC3C-S1C3GTC A-669 Boeing DC3C-S4C4GTC A-669 Boeing DC3C-SC3GTC A-669 Boeing DC3D-R-1830-90CTC A-669	Current at cited snapshot Revised Feb 6, 2018 Application: May 18, 2017	FAA holder: Basler Turbo Conversions LLC FAA authority record
ST03295CH Installation of a Traffic Collision Avoidance (TCAS II) System. Other aircraft modifications View record	Boeing DC3A-S1C3GTC A-669 Boeing DC3A-S1CGTC A-669 Boeing DC3A-S4C4GTC A-669 Boeing DC3A-SC3GTC A-669 Boeing DC3A-SCGTC A-669 Boeing DC3C-R-1830-90CTC A-669 Boeing DC3C-S1C3GTC A-669 Boeing DC3C-S4C4GTC A-669 Boeing DC3C-SC3GTC A-669 Boeing DC3D-R-1830-90CTC A-669	Current at cited snapshot Revised Jul 11, 2016 Application: Nov 15, 2013	FAA holder: Basler Turbo Conversions LLC FAA authority record
ST03296CH Installation of a Digital Flight Data Recorder (DFDR) System. Other aircraft modifications View record	Boeing DC3A-S1C3GTC A-669 Boeing DC3A-S1CGTC A-669 Boeing DC3A-S4C4GTC A-669 Boeing DC3A-SC3GTC A-669 Boeing DC3A-SCGTC A-669 Boeing DC3C-R-1830-90CTC A-669 Boeing DC3C-S1C3GTC A-669 Boeing DC3C-S4C4GTC A-669 Boeing DC3C-SC3GTC A-669 Boeing DC3D-R-1830-90CTC A-669	Current at cited snapshot Revised Jul 6, 2016 Application: Nov 26, 2013	FAA holder: Basler Turbo Conversions LLC FAA authority record
ST00435DE Reconfigure aircraft to a maximum seating of 19 passengers. Cabin and interiors View record	McDonnell Douglas DC3C-SC3GTC A-669	Current at cited snapshot Revised Oct 19, 2007 Application: Sep 21, 2000	FAA holder: Basler Turbo Conversions LLC FAA authority record
ST01796CH Install geared aileron per Basler Turbon Conversions LLC Drawing 25703 latest FAA approved revision, and Design Change Notice D-1 latest FAA approved revisions. Flight controls View record	McDonnell Douglas DC3C-S1C3GTC A-669 McDonnell Douglas DC3C-S4C4GTC A-669 McDonnell Douglas DC3C-SC3GTC A-669 McDonnell Douglas DC3D-R-1830-90CTC A-669	Current at cited snapshot Revised Mar 17, 2003 Application: Mar 13, 2002	FAA holder: Basler Turbo Conversions LLC FAA authority record