Hiller UH-12E / 12E4 Supplemental Type Certificates (STCs)

85 STCs approved for the Hiller UH-12E / 12E4 (UH-12E / 12E4) family · FAA quick reference

Quick reference only — not a compliance record. This list is for research convenience and may be incomplete or out of date. It is not an airworthiness compliance determination. Always verify against the official FAA record, and check directly with the FAA before relying on it. ADs are mandatory; STCs indicate approval for the type (not installation on a specific airframe); SAIBs are advisory.

Supplemental Type Certificates (STCs) approved for the Hiller UH-12E / 12E4 type — FAA-approved modifications available for this aircraft family. Approval for the TYPE does not mean a given STC is installed on any individual airframe (that lives in the logbooks/337s).

Document	Title / Subject	Date
SR04637CH	Replacement of existing main ship battery with Lithium Ion Battery and installation of Annunciator Control Panel — Airwolf Aerospace LLC	2024-01-11
SH3319NM	Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system, — Precise Flight Inc	2023-04-14
SH1152NW	Installation of the Automatic Flagman Model 135 Control Stick Grip — Air Products & Parts LLC	2021-07-30

+ 82 more STCs for the Hiller UH-12E / 12E4 family.

The complete, searchable Supplemental Type Certificates list — with in-app PDF viewing and a combined download — is part of AeroTell.

See all 85 STCs in the AeroTell app →