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Other aircraft modifications

STC SH277WE

FAA DRS lists SH277WE as Current · Reissued, held by Heck Research LLC, for Hiller Aviation UH-12B. Recorded change: Installation of UH-12C Upper Canopy. Snapshot dated June 30, 2026.

FAA-listed holder
Heck Research LLC
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

SH277WE 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 Aviation UH-12B. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Hiller Aviation UH-12B6H2

Buyer checks

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