ST02423LAAircraft connectivity
Installation of the Integral Vertical Stabilizer High Frequency Notch Antenna for the Boeing 747SP Aircraft.
FAA holder: ASB Avionics
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.
4
listed Current at snapshot
4
aircraft directories
3
modification categories
May 22, 2012
latest recorded revision
Modification mix
Aircraft connectivity2
Avionics1
Other aircraft modifications1
Recently revised records
Showing the 4 most recently revised records. Category directories provide the complete paginated discovery path.
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ST00401LA-DAvionics
727-2P1, S/N 21595, ONE ONLY: Installation of Avionics Systems and Cockpit Upgrades, including Predictive.
FAA holder: ASB Avionics
ST00224ATOther aircraft modifications
Installation of an Expanded Parameters Digital Flight Data Recorder.
FAA holder: ASB Avionics
ST01574LAAircraft connectivity
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.
FAA holder: ASB Avionics