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Engine and powerplant

STC ST01920CH

FAA DRS lists ST01920CH as Current · Amended, held by Professional Pilots Inc., for New Piper Aircraft PA-18, New Piper Aircraft PA-18A, and New Piper Aircraft PA-18AS-125, and 5 more aircraft configurations. Recorded change: Installation of modified Grumman AA-5B exhaust system assembly, P/N SUTN201 or P/N SUTN301. Only for those PA-18 series aircraft equipped with Lycoming O-320 or O-360 series engines, whether by original factory installation or by STC. Snapshot dated June 30, 2026.

FAA-listed holder
Aircraft configurations
8
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

ST01920CH 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: New Piper Aircraft PA-18, New Piper Aircraft PA-18A, and New Piper Aircraft PA-18AS-125, and 5 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing