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Engine and powerplant

STC ST04201NY

FAA DRS lists ST04201NY as Current · Amended, held by TBO Extension, LLC, for Textron Aviation 500, Textron Aviation 560, and Textron Aviation S550. Recorded change: Installation of ENode Engine Data Acquisition Unit & IONode Digital Data Recorder. Snapshot dated July 23, 2026.

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FAA-listed holder
TBO Extension, LLC
Aircraft configurations
3
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

ST04201NY 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: Textron Aviation 500, Textron Aviation 560, and Textron Aviation S550. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Textron Aviation 500A22CETextron Aviation 560A22CETextron Aviation S550A22CE

Related engine and powerplant STCs

FAA record reference

STC number
ST04201NY
Product
Aircraft · Large Airplane
Country
United States
Application date
March 25, 2020
Revision date
June 8, 2026
CFR references
Part 25