STC ST04050CH
FAA DRS lists ST04050CH as Current · Reissued, held by Preferred Improvements LLC, for Boeing DC3C-R-1830-90C, Boeing DC3C-S1C3G, and Boeing DC3C-S4C4G, and 1 more aircraft configuration. Recorded change: Installation of Ice Protection Systems. Snapshot dated June 30, 2026.
FAA-listed holder
Aircraft configurations
4
FAA revision date
FAA status
Current · Reissued
Recorded modification
What the FAA record covers
ST04050CH 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 DC3C-R-1830-90C, Boeing DC3C-S1C3G, and Boeing DC3C-S4C4G, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related other aircraft modifications STCs
FAA record reference
- STC number
- ST04050CH
- Product
- Aircraft · Large Airplane
- Country
- United States
- Application date
- January 16, 2014
- Revision date
- February 12, 2016
- CFR references
- Part 21, Part 25