FAA-listed STC holder

Avtech Corporation STCs

The Jun 30, 2026 FAA DRS snapshot lists 4 selected supplemental type certificates with status Current under Avtech Corporation. The records span 13 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 2, 2001

latest recorded revision

Modification mix

Avionics2 Other aircraft modifications2

Aircraft represented

Boeing 737-700 Series712 STCs Boeing 737-800 Series675 STCs Boeing 737-300 Series522 STCs Boeing 737-200 Series433 STCs Boeing 737-400 Series411 STCs Boeing 737-500 Series323 STCs Boeing 737-900 Series292 STCs Boeing 737-600 Series255 STCs Boeing 737-100 Series137 STCs Boeing 737-200C Series113 STCs Boeing 73722 STCs Boeing 737 Series17 STCs Boeing 76714 STCs

Recently revised records

Showing the 4 most recently revised records. Category directories provide the complete paginated discovery path.

4 displayed records.

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

Avtech Corporation supplemental type certificates, aircraft applicability, source status and dates
STC and modification	Aircraft / model / TC	Source status and dates	Holder and authority
SA4532NM Installation of Coltech, CTD-80 ATSCALL, enabling company calling of selected aircraft via company selected radio. Avionics View record	Boeing 737 SeriesTC A16WE	Current at cited snapshot Revised Mar 2, 2001 Application: Not listed	FAA holder: Avtech Corporation FAA authority record
SA5493NM Installation of Coltech Selcal per FAA approved Coltech, Inc. document no. 0200017-000 Rev A dtd 11/15/91 or later FAA approved revision. Other aircraft modifications View record	Boeing 767TC A1NM	Current at cited snapshot Revised Mar 2, 2001 Application: Not listed	FAA holder: Avtech Corporation FAA authority record
ST4532NM Installation of Coltech CTD-80 ATSCALL, enabling company calling of selected aircraft via company selected radio. Avionics View record	Boeing 737-900 SeriesTC A16WE Boeing 737-400 SeriesTC A16WE Boeing 737-100 SeriesTC A16WE Boeing 737-200 SeriesTC A16WE Boeing 737-200C SeriesTC A16WE Boeing 737-300 SeriesTC A16WE Boeing 737-500 SeriesTC A16WE Boeing 737-700 SeriesTC A16WE Boeing 737 SeriesTC A16WE Boeing 737TC A16WE Boeing 737-800 SeriesTC A16WE Boeing 737-600 SeriesTC A16WE	Current at cited snapshot Revised Mar 2, 2001 Application: Not listed	FAA holder: Avtech Corporation FAA authority record
ST5493NM Installation of Coltech SELCAL. Other aircraft modifications View record	Boeing 767TC A1NM	Current at cited snapshot Revised Mar 2, 2001 Application: Not listed	FAA holder: Avtech Corporation FAA authority record

Modification mix

Aircraft represented

Recently revised records

Installation of Coltech, CTD-80 ATSCALL, enabling company calling of selected aircraft via company selected radio.

Installation of Coltech Selcal per FAA approved Coltech, Inc. document no. 0200017-000 Rev A dtd 11/15/91 or later FAA approved revision.

Installation of Coltech CTD-80 ATSCALL, enabling company calling of selected aircraft via company selected radio.

Installation of Coltech SELCAL.