FAA-listed STC holder

U.S. Technical Consultants STCs

The Jun 30, 2026 FAA DRS snapshot lists 8 selected supplemental type certificates with status Current under U.S. Technical Consultants. The records span 11 public aircraft directories and 3 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

May 29, 2002

latest recorded revision

Modification mix

Other aircraft modifications6 Avionics1 Aircraft connectivity1

Aircraft represented

Boeing 757-200 Series510 STCs Boeing 727-200 Series450 STCs Boeing 747-100 Series293 STCs Boeing 727-100 Series262 STCs McDonnell Douglas MD-1196 STCs Boeing 757-20077 STCs Boeing 747-200 Series77 STCs Boeing 727-100C Series69 STCs McDonnell Douglas DC-8-7147 STCs McDonnell Douglas DC-8-7345 STCs McDonnell Douglas MD-11F35 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.

U.S. Technical Consultants supplemental type certificates, aircraft applicability, source status and dates
STC and modification	Aircraft / model / TC	Source status and dates	Holder and authority
ST02526AT Activation of Speed Taype airspeed display on Captains and First Officer's Electronic Attitude Deviation Indicators (EADI). Avionics View record	Boeing 757-200 SeriesTC A2NM Boeing 757-200TC A2NM	Current at cited snapshot Revised May 29, 2002 Application: Not listed	FAA holder: U.S. Technical Consultants FAA authority record
ST02500AT Installation of ACARS Management Unit Model DLM-707 with software upgrades. Other aircraft modifications View record	Boeing 727-100 SeriesTC A3WE Boeing 727-100C SeriesTC A3WE Boeing 727-200 SeriesTC A3WE	Current at cited snapshot Revised May 3, 2002 Application: Not listed	FAA holder: U.S. Technical Consultants FAA authority record
ST02501AT Installation of ACARS Management Unit Model DLM-707 with Software Upgrades. Other aircraft modifications View record	Boeing 757-200TC A2NM	Current at cited snapshot Revised May 3, 2002 Application: Not listed	FAA holder: U.S. Technical Consultants FAA authority record
ST02502AT Installation of ACARS Management Unit Model DLM-707 with Software Upgrades. Other aircraft modifications View record	Boeing 747-100 SeriesTC A20WE Boeing 747-200 SeriesTC A20WE	Current at cited snapshot Revised May 3, 2002 Application: Not listed	FAA holder: U.S. Technical Consultants FAA authority record
ST02503AT Installation of ACARS Management Unit Model DLM-707 with Software Upgrades. Other aircraft modifications View record	McDonnell Douglas DC-8-73TC 4A25 McDonnell Douglas DC-8-71TC 4A25	Current at cited snapshot Revised May 3, 2002 Application: Not listed	FAA holder: U.S. Technical Consultants FAA authority record
ST02499AT Removal of existing chiller assemblies above G6 and G7 galleys and installation of Chemitsu Chiller Assembly P/N 2002-01003-103 above aft galleys G6 and G7. Other aircraft modifications View record	McDonnell Douglas MD-11TC A22WE	Current at cited snapshot Revised May 2, 2002 Application: Not listed	FAA holder: U.S. Technical Consultants FAA authority record
ST02145AT Upgrade of MD-11 flight data recorder system to meet FAR 121.344 requirements for additional parameter recording. Other aircraft modifications View record	McDonnell Douglas MD-11FTC A22WE McDonnell Douglas MD-11TC A22WE	Current at cited snapshot Revised Nov 14, 2000 Application: Not listed	FAA holder: U.S. Technical Consultants FAA authority record
ST01997AT Installation of a high frequency data link (HFDL) system and HFDL compatible ACARS software with sensor systems antenna. Aircraft connectivity View record	Boeing 757-200TC A2NM	Current at cited snapshot Revised Mar 9, 2000 Application: Not listed	FAA holder: U.S. Technical Consultants FAA authority record