FAA-listed STC holder

ASB Avionics STCs

The Jun 30, 2026 FAA DRS snapshot lists 4 selected supplemental type certificates with status Current under ASB Avionics. The records span 4 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 22, 2012

latest recorded revision

Modification mix

Aircraft connectivity2 Avionics1 Other aircraft modifications1

Aircraft represented

Boeing 727-200 Series450 STCs Boeing 747SP Series151 STCs Lockheed Martin 382G34 STCs Lockheed Martin 382E7 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.

ASB Avionics supplemental type certificates, aircraft applicability, source status and dates
STC and modification	Aircraft / model / TC	Source status and dates	Holder and authority
ST02423LA Installation of the Integral Vertical Stabilizer High Frequency Notch Antenna for the Boeing 747SP Aircraft. Aircraft connectivity View record	Boeing 747SP SeriesTC A20WE	Current at cited snapshot Revised May 22, 2012 Application: Aug 12, 2011	FAA holder: ASB Avionics FAA authority record
ST00401LA-D 727-2P1, S/N 21595, ONE ONLY: Installation of Avionics Systems and Cockpit Upgrades, including Predictive. Avionics View record	Boeing 727-200 SeriesTC A3WE	Current at cited snapshot Revised Sep 19, 2007 Application: Dec 11, 1998	FAA holder: ASB Avionics FAA authority record
ST00224AT Installation of an Expanded Parameters Digital Flight Data Recorder. Other aircraft modifications View record	Lockheed Martin 382ETC A1SO Lockheed Martin 382GTC A1SO	Current at cited snapshot Revised Mar 15, 2007 Application: Mar 23, 1993	FAA holder: ASB Avionics FAA authority record
ST01574LA Installation of the Integral Dorsal Fin Shunt High Frequency Antenna on the Lockheed 382G airplane in accordance with FAA approved ASB Avionics Master Document List No. 23-103, Revision "NC", dated December 01, 2003, or later FAA approved revision. Aircraft connectivity View record	Lockheed Martin 382GTC A1SO	Current at cited snapshot Revised Dec 11, 2003 Application: Jun 18, 2003	FAA holder: ASB Avionics FAA authority record

Modification mix

Aircraft represented

Recently revised records

Installation of the Integral Vertical Stabilizer High Frequency Notch Antenna for the Boeing 747SP Aircraft.

727-2P1, S/N 21595, ONE ONLY: Installation of Avionics Systems and Cockpit Upgrades, including Predictive.

Installation of an Expanded Parameters Digital Flight Data Recorder.

Installation of the Integral Dorsal Fin Shunt High Frequency Antenna on the Lockheed 382G airplane in accordance with FAA approved ASB Avionics Master Document List No. 23-103, Revision "NC", dated December 01, 2003, or later FAA approved revision.