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Safety and emergency equipment

STC ST03671AT

FAA DRS lists ST03671AT as Current · Reissued, held by Avionics Support Group Inc., for Boeing 747-100 Series, Boeing 747-100B Series, and Boeing 747-100B SUD Series, and 7 more aircraft configurations. Recorded change: Installation of a Techtest Emergency Locator Transmitter Sytsem in B747 Series Aircraft. Snapshot dated June 30, 2026.

FAA-listed holder
Avionics Support Group Inc.
Aircraft configurations
10
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of a Techtest Emergency Locator Transmitter Sytsem in B747 Series Aircraft.

ST03671AT identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.

Applicability

Aircraft named in FAA DRS

Named aircraft: Boeing 747-100 Series, Boeing 747-100B Series, and Boeing 747-100B SUD Series, and 7 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing 747-100 SeriesA20WEBoeing 747-100B SeriesA20WEBoeing 747-100B SUD SeriesA20WEBoeing 747-200B SeriesA20WEBoeing 747-200C SeriesA20WEBoeing 747-200F SeriesA20WEBoeing 747-300 SeriesA20WEBoeing 747-400 SeriesA20WEBoeing 747-400D SeriesA20WEBoeing 747-400F SeriesA20WE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing 747-100 Series and Boeing 747-100B Series, and 8 more aircraft configurations model, serial range, and configuration?
  2. 02Which equipment, inspection intervals, procedures, and limitations apply?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?

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