FAA-listed STC holder

Avitas Engineering STCs

The Jun 30, 2026 FAA DRS snapshot lists 7 selected supplemental type certificates with status Current under Avitas Engineering. The records span 5 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

Jan 6, 2010

latest recorded revision

Modification mix

Cabin and interiors2 Other aircraft modifications2 Aircraft connectivity1 Avionics1 Fuel systems1

Aircraft represented

Boeing 737-200 Series433 STCs Boeing 72763 STCs Boeing 707-300C19 STCs Boeing 707-300B16 STCs Lockheed Aircraft L-1011 Series10 STCs

Recently revised records

Showing the 7 most recently revised records. Category directories provide the complete paginated discovery path.

7 displayed records.

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

Avitas Engineering supplemental type certificates, aircraft applicability, source status and dates
STC and modification	Aircraft / model / TC	Source status and dates	Holder and authority
ST510SO Installation of dual HF communications system using vertical fin leading edge slotted antenna. (727-225). Aircraft connectivity View record	Boeing 727TC A3WE	Current at cited snapshot Revised Jan 6, 2010 Application: Dec 14, 1971	FAA holder: Avitas Engineering FAA authority record
SA1047SO Installation of the Litton LTN-211 omega navigation system. Avionics View record	Lockheed Aircraft L-1011 SeriesTC A23WE	Current at cited snapshot Revised Feb 28, 2009 Application: Not listed	FAA holder: Avitas Engineering FAA authority record
SA775SO Installation of a coatroom and class divider partition in the main cabin at B.S. 544. (727-225A). Cabin and interiors View record	Boeing 727TC A3WE	Current at cited snapshot Revised Feb 23, 2009 Application: Jun 4, 1979	FAA holder: Avitas Engineering FAA authority record
ST01328AT Installation of Collins TCAS II. Other aircraft modifications View record	Boeing 707-300BTC 4A26 Boeing 707-300CTC 4A26	Current at cited snapshot Revised Feb 23, 2009 Application: Jun 20, 1996	FAA holder: Avitas Engineering FAA authority record
ST01333AT Installation of a Crew Rest Bunk Module. Other aircraft modifications View record	Boeing 707-300CTC 4A26	Current at cited snapshot Revised Feb 23, 2009 Application: Jul 3, 1996	FAA holder: Avitas Engineering FAA authority record
ST954SO Installation of Mansfield Aircraft Products model 1470 galley/coatroom. (727-25). Cabin and interiors View record	Boeing 727TC A3WE	Current at cited snapshot Revised Feb 23, 2009 Application: Not listed	FAA holder: Avitas Engineering FAA authority record
SA00802AT Removal of Aft Cargo Bay Auxiliary Fuel Tank on Boeing model 737-200 airplanes and other minor changes. Fuel systems View record	Boeing 737-200 SeriesTC A16WE	Current at cited snapshot Revised Feb 23, 2007 Application: Apr 14, 1995	FAA holder: Avitas Engineering FAA authority record

Modification mix

Aircraft represented

Recently revised records

Installation of dual HF communications system using vertical fin leading edge slotted antenna. (727-225).

Installation of the Litton LTN-211 omega navigation system.

Installation of a coatroom and class divider partition in the main cabin at B.S. 544. (727-225A).

Installation of Collins TCAS II.

Installation of a Crew Rest Bunk Module.

Installation of Mansfield Aircraft Products model 1470 galley/coatroom. (727-25).

Removal of Aft Cargo Bay Auxiliary Fuel Tank on Boeing model 737-200 airplanes and other minor changes.