STC ST9212SC-D
FAA DRS lists ST9212SC-D as Current · Amended, held by L-3 Communications Integrated Systems LP, for Boeing 747-200B Series. Recorded change: Replacement of existing Communication Switching Systems (CSS) batteries installed as a part of the Mission Communications Systems (MCS). Snapshot dated June 30, 2026.
FAA-listed holder
Aircraft configurations
1
FAA revision date
FAA status
Current · Amended
Recorded modification
What the FAA record covers
ST9212SC-D 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 747-200B Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related other aircraft modifications STCs
Installation of a shoulder harness restraint system.
FAA holder: Kosola & Associates, Inc
Installation of cockpit pedestal extension.
FAA holder: Learjet Inc
FAA record reference
- STC number
- ST9212SC-D
- Product
- Aircraft · Large Airplane
- Country
- United States
- Application date
- May 23, 2007
- Revision date
- March 22, 2013
- CFR references
- Part 21, Part 25, Part 121, Part 129