FAA-listed STC holder

Merlyn Products Inc. STCs

The Jun 30, 2026 FAA DRS snapshot lists 17 selected supplemental type certificates with status Current under Merlyn Products Inc.. The records span 28 public aircraft directories and 5 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

Oct 4, 2018

latest recorded revision

Modification mix

Other aircraft modifications7 Engine and powerplant6 Landing gear and brakes2 Fuel systems1 Aircraft performance1

Aircraft represented

Aerostar Aircraft PA-60-600 (Aerostar 600)146 STCs Aerostar Aircraft PA-60-601 (Aerostar 601)139 STCs Aerostar Aircraft PA-60-601P (Aerostar 601P)137 STCs Aerostar Aircraft PA-60-602P (Aerostar 602P)136 STCs Aerostar Aircraft PA-60-700P (Aerostar 700P)117 STCs Raytheon Aircraft E9041 STCs Swift Museum Foundation GC-1B34 STCs Twin Commander Aircraft 500-B33 STCs Twin Commander Aircraft 500-S31 STCs Twin Commander Aircraft 500-A31 STCs Raytheon Aircraft 5831 STCs Boeing Airplane Wichita Division 75 (Army PT-13)30 STCs Twin Commander Aircraft 500-U27 STCs Boeing Airplane Wichita Division D75N1 (Army PT-27)25 STCs Boeing Airplane Wichita Division B75N1 (Navy N2S-3)24 STCs Boeing Airplane Wichita Division A75N1 (Army PT-17; -17A; Navy N2S-1; -4)23 STCs Raytheon Aircraft 95-C5522 STCs Raytheon Aircraft E5522 STCs Boeing Airplane Wichita Division B75 (Navy N2S-5)22 STCs Boeing Airplane Wichita Division A75J1 (Army PT-18)20 STCs

Recently revised records

Showing the 17 most recently revised records. Category directories provide the complete paginated discovery path.

17 displayed records.

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

Merlyn Products Inc. supplemental type certificates, aircraft applicability, source status and dates
STC and modification	Aircraft / model / TC	Source status and dates	Holder and authority
SA169NW Installation of Merlyn Products motor, part number 06-6001. Other aircraft modifications View record	Swift Museum Foundation GC-1ATC A-766 Swift Museum Foundation GC-1BTC A-766	Current at cited snapshot Revised Oct 4, 2018 Application: Dec 30, 1974	FAA holder: Merlyn Products Inc. FAA authority record
SA02450SE Installation of the Lycoming IO-540-M1C5 engine and Hartzell HC-C3YR-2UF/FC8468()-6R propeller. Engine and powerplant View record	Twin Commander Aircraft 500-BTC 6A1 Twin Commander Aircraft 500-STC 6A1 Twin Commander Aircraft 500-UTC 6A1	Current at cited snapshot Revised Sep 1, 2015 Application: May 29, 2014	FAA holder: Merlyn Products Inc. FAA authority record
SE01211SE Installation of the Merlyn Products Inc. turbocharger system. Engine and powerplant View record	Lycoming Engines IO-540-AG1A5TC 1E4 Merlyn Products IO-540-MX1TC E00008SE Textron Lycoming AVCO TIO-540-AE2ATC E14EA	Current at cited snapshot Revised Jul 19, 2013 Application: Apr 5, 2002	FAA holder: Merlyn Products Inc. FAA authority record
SA01212SE Manufacture of Merlyn 320 Turbo Twin Commander Conversion Kit. Other aircraft modifications View record	Twin Commander Aircraft 500-BTC 6A1 Twin Commander Aircraft 500-STC 6A1 Twin Commander Aircraft 500-UTC 6A1	Current at cited snapshot Revised Jul 2, 2013 Application: Apr 5, 2002	FAA holder: Merlyn Products Inc. FAA authority record
SA01142SE Installation of the Merlyn Products Inc. Model 290 or 300 Turbocharger system. Engine and powerplant View record	Twin Commander Aircraft 500-BTC 6A1 Twin Commander Aircraft 500-STC 6A1 Twin Commander Aircraft 500-UTC 6A1	Current at cited snapshot Revised Sep 24, 2012 Application: Aug 5, 2002	FAA holder: Merlyn Products Inc. FAA authority record
SA53NW Installation of Continental IO-360-C engine with McCauley propeller. Engine and powerplant View record	Swift Museum Foundation GC-1BTC A-766	Current at cited snapshot Revised May 7, 2010 Application: Jan 29, 1972	FAA holder: Merlyn Products Inc. FAA authority record
SA02013SE Modification of the fuel system, structures, and engine installation. Engine and powerplant View record	Twin Commander Aircraft 500TC 6A1 Twin Commander Aircraft 500-ATC 6A1 Twin Commander Aircraft 500-BTC 6A1 Twin Commander Aircraft 500-STC 6A1 Twin Commander Aircraft 500-UTC 6A1	Current at cited snapshot Revised Jul 27, 2009 Application: Apr 16, 2008	FAA holder: Merlyn Products Inc. FAA authority record
SA01222SE Modification of the existing fuel system to increase its capacity. Fuel systems View record	Twin Commander Aircraft 500-ATC 6A1 Twin Commander Aircraft 500-BTC 6A1 Twin Commander Aircraft 500-STC 6A1 Twin Commander Aircraft 500-UTC 6A1	Current at cited snapshot Revised May 20, 2008 Application: Apr 9, 2003	FAA holder: Merlyn Products Inc. FAA authority record
SA01841SE Installation of Teledyne Continental engines modified. Other aircraft modifications View record	Twin Commander Aircraft 500-ATC 6A1	Current at cited snapshot Revised May 12, 2008 Application: Aug 8, 2007	FAA holder: Merlyn Products Inc. FAA authority record
SE01840SE Install low compression ratio pistons and a turbo charger system. Other aircraft modifications View record	Teledyne Continental Motors IO-550-ETC E3SO	Current at cited snapshot Revised May 12, 2008 Application: Aug 8, 2007	FAA holder: Merlyn Products Inc. FAA authority record
SA01754SE Installation of the Merlyn Products Inc. remote oil filter. Other aircraft modifications View record	Twin Commander Aircraft 500-BTC 6A1 Twin Commander Aircraft 500-STC 6A1 Twin Commander Aircraft 500-UTC 6A1	Current at cited snapshot Revised Apr 19, 2007 Application: Feb 22, 2007	FAA holder: Merlyn Products Inc. FAA authority record
SA01663SE Installation of Turbo Charger System. Other aircraft modifications View record	Raytheon Aircraft 58TC 3A16 Raytheon Aircraft 95-C55TC 3A16 Raytheon Aircraft D55TC 3A16 Raytheon Aircraft E55TC 3A16 Raytheon Aircraft G58TC 3A16	Current at cited snapshot Revised Apr 26, 2006 Application: Feb 25, 2004	FAA holder: Merlyn Products Inc. FAA authority record
SA382NW Installation of a gross weight increase to 1835 pounds and associated changes. Aircraft performance View record	Swift Museum Foundation GC-1BTC A-766	Current at cited snapshot Revised Dec 20, 2002 Application: May 23, 1971	FAA holder: Merlyn Products Inc. FAA authority record
SA00943SE Installation of Merlyn Products Inertia Link on the above model aircraft per Merlyn Top Drawing List 91.50-TDL, Revision A, dated July 13, 2001, and Merlyn Installation Instructions Report 91.50-1, Revision N/C, dated June 12, 2001, or later FAA approved revision of either of these documents. Other aircraft modifications View record	Aerostar Aircraft PA-60-602P (Aerostar 602P)TC A17WE Aerostar Aircraft PA-60-700P (Aerostar 700P)TC A17WE Aerostar Aircraft PA-60-600 (Aerostar 600)TC A17WE Aerostar Aircraft PA-60-601P (Aerostar 601P)TC A17WE Aerostar Aircraft PA-60-601 (Aerostar 601)TC A17WE	Current at cited snapshot Revised Jul 18, 2001 Application: Jun 12, 2001	FAA holder: Merlyn Products Inc. FAA authority record
ST00797SE Install landing gear strut seal assembly. Landing gear and brakes View record	Boeing Airplane Wichita Division 75 (Army PT-13)TC A-743 Boeing Airplane Wichita Division A75 (Army PT-13A; -13B; -13C)TC A-743 Boeing Airplane Wichita Division A75J1 (Army PT-18)TC A-743 Boeing Airplane Wichita Division A75L3TC A-743 Boeing Airplane Wichita Division A75N1 (Army PT-17; -17A; Navy N2S-1; -4)TC A-743 Boeing Airplane Wichita Division B75 (Navy N2S-5)TC A-743 Boeing Airplane Wichita Division B75N1 (Navy N2S-3)TC A-743 Boeing Airplane Wichita Division D75N1 (Army PT-27)TC A-743 Boeing Airplane Wichita Division E75 (Army PT-13D; Navy N2S-5; PT-13D/N2S-5)TC A-743	Current at cited snapshot Revised Jan 30, 2001 Application: Feb 22, 2000	FAA holder: Merlyn Products Inc. FAA authority record
SA00829SE Installation of Merlyn Products landing gear assembly kit 23-1-LW30 in accordance with Merlyn Products Installation Instructions Report 23-1-LW30, Revision A, dated June 7, 2000. Landing gear and brakes View record	Raytheon Aircraft E90TC 3A20	Current at cited snapshot Revised Jul 13, 2000 Application: Jun 7, 2000	FAA holder: Merlyn Products Inc. FAA authority record
SA00169SE Install Lycoming IO-540-M1C5 engine and Hartzell HC-C3YR-2UF/FC8468()-6R propeller. Engine and powerplant View record	Twin Commander Aircraft 500-BTC 6A1 Twin Commander Aircraft 500-UTC 6A1 Twin Commander Aircraft 500-STC 6A1	Current at cited snapshot Revised Jun 2, 2000 Application: Apr 8, 1994	FAA holder: Merlyn Products Inc. FAA authority record