STC SH178WE
FAA DRS lists SH178WE as Current · Reissued, held by Siam Hiller Holdings Inc, for Hiller Aircraft UH-12E and Hiller Aircraft UH-12E-L. Recorded change: Installation of Allison 250-C20/250-C20B engine and related changes. (UH-12E-L (4 place)). Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SH178WE 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: Hiller Aircraft UH-12E and Hiller Aircraft UH-12E-L. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
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