STC ST04256CH
FAA DRS lists ST04256CH as Current · Reissued, held by HONEYWELL INTERNATIONAL INC., for Boeing 757-200 Series, Boeing 757-300 Series, and Boeing 757-200CB Series, and 1 more aircraft configuration. Recorded change: Retrofit Installation of Honeywell ALA-52B Radio Altimeter System. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
ST04256CH 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 757-200 Series, Boeing 757-300 Series, and Boeing 757-200CB Series, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related avionics STCs
FAA record reference
- STC number
- ST04256CH
- Product
- Aircraft · Large Airplane
- Country
- United States
- Application date
- March 20, 2017
- Revision date
- November 2, 2023
- CFR references
- Part 25