FAA-listed STC holder

John P. Warren STCs

The Jun 30, 2026 FAA DRS snapshot lists 8 selected supplemental type certificates with status Current under John P. Warren. The records span 7 public aircraft directories and 2 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

Mar 18, 2019

latest recorded revision

Modification mix

Engine and powerplant7 Fuel systems1

Aircraft represented

American Champion Aircraft Corp 7AC80 STCs FS 2003 Corp PA-1265 STCs Piper Aircraft PA-22-13546 STCs FS 2002 Corp PA-1445 STCs Cessna Aircraft 14037 STCs Cessna Aircraft 12036 STCs Cessna Aircraft 140A35 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.

John P. Warren supplemental type certificates, aircraft applicability, source status and dates
STC and modification	Aircraft / model / TC	Source status and dates	Holder and authority
SA4-376 Installation of a Lycoming O-235-C1 or O-235-C2C engine. Engine and powerplant View record	Cessna Aircraft 140ATC 5A2	Current at cited snapshot Revised Mar 18, 2019 Application: Dec 23, 1957	FAA holder: John P. Warren FAA authority record
SA4-519 Installation of a Lycoming O-320 engine. Engine and powerplant View record	FS 2003 Corp PA-12TC A-780	Current at cited snapshot Revised Mar 18, 2019 Application: Jun 9, 1958	FAA holder: John P. Warren FAA authority record
SA4-581 Installation of a Lycoming O-290-D engine and Sensenich M76AM-2 or Sensenich CS3FM4 propeller. Engine and powerplant View record	Cessna Aircraft 120TC A-768 Cessna Aircraft 140TC A-768 Cessna Aircraft 140ATC 5A2	Current at cited snapshot Revised Mar 18, 2019 Application: Aug 21, 1958	FAA holder: John P. Warren FAA authority record
SA4-640 Installation of a Lycoming O-290-D2 engine and Sensenich M74DM propeller. Engine and powerplant View record	Cessna Aircraft 120TC A-768 Cessna Aircraft 140TC A-768 Cessna Aircraft 140ATC 5A2	Current at cited snapshot Revised Mar 18, 2019 Application: Oct 29, 1958	FAA holder: John P. Warren FAA authority record
SA4-78 Installation of a Lycoming O-320 engine and Sensenich M74DM59 propeller. Installation of Piper PA-18A-150 engine cooling baffles, modified to fit cowling. Installation of oil cooler (Harrison AP13SJ03-01) in accordance with Piper Drawing 14368. Installation of pressure type gas tank caps. Engine and powerplant View record	FS 2002 Corp PA-14TC A-797	Current at cited snapshot Revised Mar 18, 2019 Application: Feb 15, 1956	FAA holder: John P. Warren FAA authority record
SA4-815 Installation of a Lycoming O-320 engine and Sensenich M74DM propeller. Engine and powerplant View record	Piper Aircraft PA-22-135TC 1A6	Current at cited snapshot Revised Mar 18, 2019 Application: May 5, 1959	FAA holder: John P. Warren FAA authority record
SA4-95 Installation of a Lycoming O-235-C1 or O-235-C2C engine. Engine and powerplant View record	Cessna Aircraft 120TC A-768 Cessna Aircraft 140TC A-768	Current at cited snapshot Revised Mar 18, 2019 Application: Jul 7, 1956	FAA holder: John P. Warren FAA authority record
SA4-97 Installation of an auxiliary five-gallon tank in wing. Fuel systems View record	American Champion Aircraft Corp 7ACTC A-759	Current at cited snapshot Revised Mar 18, 2019 Application: Jul 9, 1956	FAA holder: John P. Warren FAA authority record