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Avionics

STC ST09956SC

FAA DRS lists ST09956SC as Current · Amended, held by Aircraft Systems and Manufacturing Inc, for Boeing DC-9-81 (MD-81), Boeing DC-9-82 (MD-82), and Boeing DC-9-83 (MD-83), and 2 more aircraft configurations. Recorded change: Installation of Universal Avionics Systems Corporation (UASC) UNS Flight Management System (FMS) with a UASC UL-601 UniLink data link system. Snapshot dated June 30, 2026.

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Aircraft configurations
5
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

ST09956SC 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 DC-9-81 (MD-81), Boeing DC-9-82 (MD-82), and Boeing DC-9-83 (MD-83), and 2 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

FAA record reference

STC number
ST09956SC
Product
Aircraft · Large Airplane
Country
United States
Application date
March 28, 2001
Revision date
August 22, 2020
CFR references
Part 21, Part 25, Part 26