STC ST04254AT
FAA DRS lists ST04254AT as Current · Issued, held by United Parcel Service Company, for Boeing 757-200PF Series and Boeing 767-300F Series. Recorded change: The modification of 757 and 767 aircraft for activation of TCAS traffic advisories (TAs) on the Electronic Horizontal Situation Indicator (EHSI) with TCAS resolution advisory commands (RAs) remaining on the vertical speed indicators VSI/RAs. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
ST04254AT 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 757-200PF Series and Boeing 767-300F Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related other aircraft modifications STCs
Installation of UH-12C Upper Canopy.
FAA holder: Heck Research LLC
Installation of ACSS T2CAS.
FAA holder: Aviation Communication and Surveillance Systems (ACSS) LLC
Installation of CAS67 TCAS II and TDR-94D Mode S Transponders.
FAA holder: Mid Canada Mod Center
Installation of Tail Rotor Pedal Removal Kit.
FAA holder: Laz-Tec, LLC
FAA record reference
- STC number
- ST04254AT
- Product
- Aircraft · Large Airplane
- Country
- United States
- Application date
- July 8, 2015
- Revision date
- March 24, 2016
- CFR references
- Part 21, Part 25, Part 26