FAA-listed STC holder

International Water-Guard Industries STCs

The Jun 30, 2026 FAA DRS snapshot lists 6 selected supplemental type certificates with status Current under International Water-Guard Industries. The records span 7 public aircraft directories and 1 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

Apr 5, 2019

latest recorded revision

Modification mix

Other aircraft modifications6

Aircraft represented

Boeing 737-700 Series712 STCs Boeing 737-800 Series675 STCs Bombardier BD-700-1A10398 STCs Boeing 737-900 Series292 STCs Boeing 737-600 Series255 STCs Boeing 737-900ER Series235 STCs Airbus A310-30459 STCs

Recently revised records

Showing the 6 most recently revised records. Category directories provide the complete paginated discovery path.

6 displayed records.

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

International Water-Guard Industries supplemental type certificates, aircraft applicability, source status and dates
STC and modification	Aircraft / model / TC	Source status and dates	Holder and authority
ST04329NY Installation of Potable Water Quantity Pre-Select Installation. Other aircraft modifications View record	Boeing 737-600 SeriesTC A16WE Boeing 737-700 SeriesTC A16WE Boeing 737-800 SeriesTC A16WE Boeing 737-900 SeriesTC A16WE Boeing 737-900ER SeriesTC A16WE	Current at cited snapshot Revised Apr 5, 2019 Application: Sep 7, 2018	FAA holder: International Water-Guard Industries FAA authority record
ST03950NY Installation of the UV Water Treatment System;Maintenance of the UV Water Treatment System. Other aircraft modifications View record	Boeing 737-600 SeriesTC A16WE Boeing 737-700 SeriesTC A16WE Boeing 737-800 SeriesTC A16WE	Current at cited snapshot Revised Sep 12, 2017 Application: Jun 6, 2017	FAA holder: International Water-Guard Industries FAA authority record
ST02071NY Installation of the Circulating Potable Water System. Other aircraft modifications View record	Boeing 737-700 SeriesTC A16WE	Current at cited snapshot Revised Mar 25, 2005 Application: Jan 31, 2005	FAA holder: International Water-Guard Industries FAA authority record
ST02032NY Installation of Circulating Potable Water System (C-PWS). Other aircraft modifications View record	Airbus A310-304TC A35EU	Current at cited snapshot Revised Jan 10, 2005 Application: Nov 14, 2003	FAA holder: International Water-Guard Industries FAA authority record
ST01361NY Installation of NPS-A3 Aircraft Potable Water Treatment Unit per International Water Guard Master Drawing and Document List No. 1-24001-02, Rev 1 dtd 11/27/01. Other aircraft modifications View record	Bombardier BD-700-1A10TC T00003NY	Current at cited snapshot Revised Jan 23, 2002 Application: Not listed	FAA holder: International Water-Guard Industries FAA authority record
ST01372NY Installation of potable water system. Other aircraft modifications View record	Bombardier BD-700-1A10TC T00003NY	Current at cited snapshot Revised Nov 20, 2001 Application: Not listed	FAA holder: International Water-Guard Industries FAA authority record

Modification mix

Aircraft represented

Recently revised records

Installation of Potable Water Quantity Pre-Select Installation.

Installation of the UV Water Treatment System;Maintenance of the UV Water Treatment System.

Installation of the Circulating Potable Water System.

Installation of Circulating Potable Water System (C-PWS).

Installation of NPS-A3 Aircraft Potable Water Treatment Unit per International Water Guard Master Drawing and Document List No. 1-24001-02, Rev 1 dtd 11/27/01.

Installation of potable water system.