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Other aircraft modifications

STC SA2726SO

FAA DRS lists SA2726SO as Current · Reissued, held by Honeywell International Inc., for McDonnell Douglas DC-9-82 (MD-82), McDonnell Douglas MD-88, and McDonnell Douglas DC-9-81 (MD-81), and 2 more aircraft configurations. Recorded change: Installation of CAS-81 TCAS II system. Snapshot dated June 30, 2026.

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FAA-listed holder
Honeywell International Inc.
Aircraft configurations
5
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

SA2726SO 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: McDonnell Douglas DC-9-82 (MD-82), McDonnell Douglas MD-88, and McDonnell Douglas DC-9-81 (MD-81), and 2 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

McDonnell Douglas DC-9-82 (MD-82)A6WEMcDonnell Douglas MD-88A6WEMcDonnell Douglas DC-9-81 (MD-81)A6WEMcDonnell Douglas DC-9-83 (MD-83)A6WEMcDonnell Douglas DC-9-87 (MD-87)A6WE

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FAA record reference

STC number
SA2726SO
Product
Aircraft · Large Multi-Engine
Country
United States
Application date
February 23, 1990
Revision date
January 19, 2022
CFR references
Part 25