FAA-listed STC holder

Enviro Systems Inc. STCs

The Jun 30, 2026 FAA DRS snapshot lists 15 selected supplemental type certificates with status Current under Enviro Systems Inc.. The records span 46 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

Jun 20, 2003

latest recorded revision

Recently revised records

Showing the 15 most recently revised records. Category directories provide the complete paginated discovery path.

15 displayed records.

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

Enviro Systems Inc. supplemental type certificates, aircraft applicability, source status and dates
STC and modification	Aircraft / model / TC	Source status and dates	Holder and authority
SA206RM Installation of headliner and duct system in accordance with Aero Engineering Corporation Drawing List No. DL-4, Revision D or later FAA approved revision. Other aircraft modifications View record	AeroSpace Technologies Of Australia Pty N24ATC A7PC	Current at cited snapshot Revised Jun 20, 2003 Application: Jul 1, 1980	FAA holder: Enviro Systems Inc. FAA authority record
SA2294SO Installation of seat access panel in accordance with ALM Technologies, Inc., Drawing List, Document No. 3698001, dated August 21, 1987, or later FAA approved revision. Cabin and interiors View record	MD Helicopter 369TC H3WE MD Helicopter 369ATC H3WE MD Helicopter 369DTC H3WE MD Helicopter 369ETC H3WE MD Helicopter 369FTC H3WE MD Helicopter 369FFTC H3WE MD Helicopter 369HTC H3WE MD Helicopter 369HETC H3WE MD Helicopter 369HMTC H3WE MD Helicopter 369HSTC H3WE	Current at cited snapshot Revised Jun 20, 2003 Application: Sep 9, 1987	FAA holder: Enviro Systems Inc. FAA authority record
SA935SW Installation of cabin air conditioning system in accordance with Installation Instructions dated August 30, 1968, for Cessna Models 182, 182A, 182B; and Engineering Report 6496227 dated May 1, 1970 for Cessna Models 182E, 182F, 182G, 182H, 182J, 182K, 182L, 182M.. Cabin and interiors View record	Cessna Aircraft 182TC 3A13 Cessna Aircraft 182ATC 3A13 Cessna Aircraft 182BTC 3A13 Cessna Aircraft 182ETC 3A13 Cessna Aircraft 182FTC 3A13 Cessna Aircraft 182GTC 3A13 Cessna Aircraft 182HTC 3A13 Cessna Aircraft 182JTC 3A13 Cessna Aircraft 182KTC 3A13 Cessna Aircraft 182LTC 3A13 Cessna Aircraft 182MTC 3A13	Current at cited snapshot Revised Jun 20, 2003 Application: May 22, 1967	FAA holder: Enviro Systems Inc. FAA authority record
SH1528NM Installation of Freon Compressor Air Conditioning System in accordance with Aero Engineering Corporation Drawing List, DL-9, FAA approval dated November 26, 1982, or later FAA approved revision. Other aircraft modifications View record	MD Helicopter 369HTC H3WE MD Helicopter 369DTC H3WE MD Helicopter 369ETC H3WE	Current at cited snapshot Revised Jun 20, 2003 Application: Oct 11, 1982	FAA holder: Enviro Systems Inc. FAA authority record
SH1705SO Installation of Freon Air Conditioning System in accordance with Installation Drawing List Report No. DL-30-1, Revision B, dated November 5, 1984 and Manufacturing Drawing List, Report No. DL-30-2, Revision A, dated November 19, 1984, or later FAA approved revisions. Other aircraft modifications View record	Westland Helicopters Westland 30 Series 100TC H12EU	Current at cited snapshot Revised Jun 20, 2003 Application: Feb 13, 1984	FAA holder: Enviro Systems Inc. FAA authority record
SH189RM Installation of belt driven air conditioner system in accordance with FAA sealed Aero Engineering Corporation Drawing List No. DL-2, dated October 24, 1979, and/or Drawing List No. DL-2-1, dated April 19, 1982, or subsequent FAA approved revision. Other aircraft modifications 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 Jun 20, 2003 Application: Jun 8, 1979	FAA holder: Enviro Systems Inc. FAA authority record
SH2720SO Installation of Aero Aire Model 234 Environmental Control System (ECS) in accordance with Aero Aire Master Drawing List Document No. A234R002, Revision B, dated March 7, 1990, or later FAA Approved Revision. Other aircraft modifications View record	Boeing Defense & Space Group 234TC H9EA	Current at cited snapshot Revised Jun 20, 2003 Application: Feb 14, 1989	FAA holder: Enviro Systems Inc. FAA authority record
SH3301SO Installation of a Freon Air Conditioning System in accordance with Aero Aire Corporation Master Drawing List No. 500R010, Rev. 2, dated 5/26/1992, or later FAA approved revision. Other aircraft modifications View record	MD Helicopter 369ETC H3WE MD Helicopter 500NTC H3WE	Current at cited snapshot Revised Jun 20, 2003 Application: Aug 7, 1991	FAA holder: Enviro Systems Inc. FAA authority record
SH4629SW Installation of Freon air conditioning system in accordance with Drawing List Report No. DL-7, Revision A, dated March 8, 1982; or Drawing List DL-7-1, dated July 7, 1982; or optional forward evaporator in accordance with Drawing List Report No. DL-7-3, Revision A, dated March 1, 1983; or later FAA Approved Revisions. Other aircraft modifications View record	Eurocopter France AS355ETC H11EU Eurocopter France AS355FTC H11EU Eurocopter France AS355F1TC H11EU Eurocopter France AS355F2TC H11EU Eurocopter France AS355NTC H11EU	Current at cited snapshot Revised Jun 20, 2003 Application: Feb 19, 1981	FAA holder: Enviro Systems Inc. FAA authority record
SH4635SW Belt driven Freon Air Conditioning System in accordance with Drawing List DL8-1, Revision A, dated September 24, 1982, for Models 206A and 206B; or Drawing List DL-8-15, Revision A, dated September 24, 1982, for Model 206L-1; or later FAA Approved revisions. Drawing List DL-8-1, Revision B, dated November 11, 1982, for Models 206A and 206B; Drawing List DL-8-15 Revision B, date November 11, 1982, are required for installation of Casey Shroud Heater in conjunction with air conditioner. Other aircraft modifications View record	Bell Helicopter Textron (Canada) 206ATC H2SW Bell Helicopter Textron (Canada) 206BTC H2SW Bell Helicopter Textron (Canada) 206LTC H2SW Bell Helicopter Textron (Canada) 206L-1TC H2SW Bell Helicopter Textron (Canada) 206L-3TC H2SW	Current at cited snapshot Revised Jun 20, 2003 Application: Aug 3, 1981	FAA holder: Enviro Systems Inc. FAA authority record
SH4680SW Installation of Freon air conditioning system in accordance with Drawing List Report No. DL-5, Revision C, dated April 1, 1983, or later FAA approved revision. Other aircraft modifications View record	Sikorsky Aircraft S-76ATC H1NE	Current at cited snapshot Revised Jun 20, 2003 Application: Feb 19, 1981	FAA holder: Enviro Systems Inc. FAA authority record
SR00611AT Installation of an air conditioning system in accordance with Aero Aire Corporation Master Drawing List 1054RO10,Revision. 2, dated November 3, 1994, or later FAA approved revision. Other aircraft modifications View record	Eurocopter Canada BO 105 LS A-3TC H6NE Eurocopter Deutschland GmbH BO-105CTC H3EU	Current at cited snapshot Revised Jun 20, 2003 Application: Jan 19, 1994	FAA holder: Enviro Systems Inc. FAA authority record
SR02341AT Installation of an Aero Aire Corporation vapor cycle air conditioning system. Other aircraft modifications View record	Eurocopter France EC120BTC R0001RD	Current at cited snapshot Revised Jun 20, 2003 Application: Feb 1, 2001	FAA holder: Enviro Systems Inc. FAA authority record
SR02434AT Installation of an Aero Aire Corporation Vapor Cycle Air Conditioning System per Aero Aire Master Drawing List 44TA000-IR015, Rev. C, dated 11/30/2001, or later FAA approved revision. Other aircraft modifications View record	Robinson Helicopter R44TC H11NM	Current at cited snapshot Revised Jun 20, 2003 Application: May 9, 2001	FAA holder: Enviro Systems Inc. FAA authority record
SR09117RC-D Installation of an Aero Aire, Air Conditioner System, with Forward Evaporator. Other aircraft modifications View record	Eurocopter France AS-350BTC H9EU Eurocopter France AS-350B1TC H9EU Eurocopter France AS-350B2TC H9EU Eurocopter France AS-350B3TC H9EU Eurocopter France AS-350BATC H9EU Eurocopter France AS-350DTC H9EU	Current at cited snapshot Revised Jun 20, 2003 Application: Jun 21, 1999	FAA holder: Enviro Systems Inc. FAA authority record

Enviro Systems Inc. STCs

Modification mix

Aircraft represented

Recently revised records

Installation of headliner and duct system in accordance with Aero Engineering Corporation Drawing List No. DL-4, Revision D or later FAA approved revision.

Installation of seat access panel in accordance with ALM Technologies, Inc., Drawing List, Document No. 3698001, dated August 21, 1987, or later FAA approved revision.

Installation of cabin air conditioning system in accordance with Installation Instructions dated August 30, 1968, for Cessna Models 182, 182A, 182B; and Engineering Report 6496227 dated May 1, 1970 for Cessna Models 182E, 182F, 182G, 182H, 182J, 182K, 182L, 182M..

Installation of Freon Compressor Air Conditioning System in accordance with Aero Engineering Corporation Drawing List, DL-9, FAA approval dated November 26, 1982, or later FAA approved revision.

Installation of Freon Air Conditioning System in accordance with Installation Drawing List Report No. DL-30-1, Revision B, dated November 5, 1984 and Manufacturing Drawing List, Report No. DL-30-2, Revision A, dated November 19, 1984, or later FAA approved revisions.

Installation of belt driven air conditioner system in accordance with FAA sealed Aero Engineering Corporation Drawing List No. DL-2, dated October 24, 1979, and/or Drawing List No. DL-2-1, dated April 19, 1982, or subsequent FAA approved revision.

Installation of Aero Aire Model 234 Environmental Control System (ECS) in accordance with Aero Aire Master Drawing List Document No. A234R002, Revision B, dated March 7, 1990, or later FAA Approved Revision.

Installation of a Freon Air Conditioning System in accordance with Aero Aire Corporation Master Drawing List No. 500R010, Rev. 2, dated 5/26/1992, or later FAA approved revision.

Installation of Freon air conditioning system in accordance with Drawing List Report No. DL-5, Revision C, dated April 1, 1983, or later FAA approved revision.

Installation of an air conditioning system in accordance with Aero Aire Corporation Master Drawing List 1054RO10,Revision. 2, dated November 3, 1994, or later FAA approved revision.

Installation of an Aero Aire Corporation vapor cycle air conditioning system.

Installation of an Aero Aire Corporation Vapor Cycle Air Conditioning System per Aero Aire Master Drawing List 44TA000-IR015, Rev. C, dated 11/30/2001, or later FAA approved revision.

Installation of an Aero Aire, Air Conditioner System, with Forward Evaporator.