FAA-listed STC holder

Soloy LLC STCs

The Jun 30, 2026 FAA DRS snapshot lists 9 selected supplemental type certificates with status Current under Soloy LLC. The records span 10 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

May 31, 2012

latest recorded revision

Modification mix

Engine and powerplant6 Other aircraft modifications1 Electrical systems1 Fuel systems1

Aircraft represented

Bell Helicopter Textron Canada 206B359 STCs Bell Helicopter Textron Canada 206L290 STCs Bell Helicopter Textron Canada 206A265 STCs Eurocopter France AS-350B234 STCs Eurocopter France AS-350B2233 STCs Eurocopter France AS-350D227 STCs Eurocopter France AS-350B1224 STCs Eurocopter France AS-350BA203 STCs Eurocopter France AS-350D1123 STCs Eurocopter France AS-350C109 STCs

Recently revised records

Showing the 9 most recently revised records. Category directories provide the complete paginated discovery path.

9 displayed records.

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

Soloy LLC supplemental type certificates, aircraft applicability, source status and dates
STC and modification	Aircraft / model / TC	Source status and dates	Holder and authority
SH4179NM Installation of the 250-C20R/2 or R/4 engine. Engine and powerplant View record	Bell Helicopter Textron Canada 206ATC H2SW Bell Helicopter Textron Canada 206BTC H2SW	Current at cited snapshot Revised May 31, 2012 Application: Apr 16, 1987	FAA holder: Soloy LLC FAA authority record
SH4781NM Addition of an automatic re-ignition system. Other aircraft modifications View record	Bell Helicopter Textron Canada 206BTC H2SW Bell Helicopter Textron Canada 206LTC H2SW	Current at cited snapshot Revised May 31, 2012 Application: May 1, 1989	FAA holder: Soloy LLC FAA authority record
SR00034DE Installation of an adjustable center of gravity system using a traversing Nicad battery and box assembly. Electrical systems View record	Eurocopter France AS-350BTC H9EU Eurocopter France AS-350B1TC H9EU Eurocopter France AS-350B2TC H9EU Eurocopter France AS-350BATC H9EU Eurocopter France AS-350CTC H9EU Eurocopter France AS-350DTC H9EU Eurocopter France AS-350D1TC H9EU	Current at cited snapshot Revised Nov 29, 2007 Application: Feb 23, 1993	FAA holder: Soloy LLC FAA authority record
SH5815SW Installation of Honeywell LTS 101-600A-3 or LTS 101-600A-3A engine with or without torque limiter in accordance with Soloy Drawing List 921-100, Revision A, dated March 23, 2007, or later FAA approved revisions. Engine and powerplant View record	Eurocopter France AS-350BTC H9EU Eurocopter France AS-350BATC H9EU Eurocopter France AS-350DTC H9EU	Current at cited snapshot Revised May 14, 2007 Application: May 3, 1984	FAA holder: Soloy LLC FAA authority record
SR00772SE Installation of Allied Signal engine model LTS 101 600A-3A. Engine and powerplant View record	Eurocopter France AS-350DTC H9EU	Current at cited snapshot Revised Jun 15, 2005 Application: Sep 15, 1999	FAA holder: Soloy LLC FAA authority record
SH4409SW Installation of replacement engine exhaust gas temperature (T-4) indicator. Engine and powerplant View record	Eurocopter France AS-350DTC H9EU	Current at cited snapshot Revised Dec 22, 2004 Application: Nov 21, 1979	FAA holder: Soloy LLC FAA authority record
SH4790SW Installation of 7 micron fuel filter provisions. Fuel systems View record	Eurocopter France AS-350DTC H9EU	Current at cited snapshot Revised Dec 22, 2004 Application: Jun 16, 1982	FAA holder: Soloy LLC FAA authority record
SH8344SW Installation of an Allison 250-C30M engine with AS-350BA performance. Engine and powerplant View record	Eurocopter France AS-350DTC H9EU Eurocopter France AS-350BATC H9EU Eurocopter France AS-350BTC H9EU	Current at cited snapshot Revised Dec 2, 2004 Application: Oct 22, 1991	FAA holder: Soloy LLC FAA authority record
SH3324NM Installation of an Allison 250-C30M engine, an engine scavenge oil filter, a redesignated exhaust stack (RMH configuration) and engine cowling(carbon fiber), an option of deleting an auxiliary oil cooler (P/N 20006A), and a relocation of the engine ignition exciter box on the engine compartment deck. Engine and powerplant View record	Eurocopter France AS-350BTC H9EU Eurocopter France AS-350BATC H9EU Eurocopter France AS-350DTC H9EU	Current at cited snapshot Revised Nov 10, 2004 Application: Jun 13, 1984	FAA holder: Soloy LLC FAA authority record