# STC SH3362NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Columbia Helicopters Inc, United States
- Description: Installation of a Tail Rotor Blade Protective Coating
- Applied: July 15, 1984
- Status date: April 22, 1986
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS 4H10](https://openairdocs.org/tcds/4H10), [TCDS H1WE](https://openairdocs.org/tcds/H1WE), [TCDS 4H11](https://openairdocs.org/tcds/4H11)
- Certificate PDF: https://openairdocs.org/files/sha256/cf/cb/cfcbc7ca9ce8bdc9466c34ce2200388f3cc1910d4c893489e15923d090fbc91c
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C756117DBFDD7B19862579D8004FEAE2.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SH3362NM

## ADs that name it (0)

None.

## Approved models (5)

- Hiller Aviation UH-12D ([TCDS 4H10](https://openairdocs.org/tcds/4H10))
- Hiller Aviation UH-12L ([TCDS H1WE](https://openairdocs.org/tcds/H1WE))
- Hiller Aviation UH-12L4 ([TCDS H1WE](https://openairdocs.org/tcds/H1WE))
- Siam Hiller Holdings Inc. UH-12E ([TCDS 4H11](https://openairdocs.org/tcds/4H11))
- Siam Hiller Holdings Inc. UH-12E-L ([TCDS 4H11](https://openairdocs.org/tcds/4H11))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Fe la Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number SH3362NM This certificate issued to: Columbia Helicopters, Inc.

Certifies that the change in the type design for the fellowing preduct with the limitations and conditions therefor us specified horeen meets the airer rhiness requirements ef Part 6 the Civil Air Kegulations.

Original Product - Type berlificate: Lumber: 4A10, 4A11, HIWE Make: Hiller Model: UH-12D, UH-12E, UH-12E-L, (Army UH-23D) in accordance with FAA approved Columbia Helicopter Drawing List Number CH-65, Revision A, Lescriplin ype Jesinbhange: Installation of a Tail Rotor Blade Protective Coating (Army OH-23G), (Army OH-23F), UH-12L, & UH-12L4 dated April 4, 1986, or later FAA approved revisions.

the above model aircraft only. This approval should not be extended to other aircraft of limitatindandlendituna: Approval of this change in type design applies basically to this model on which other previously approved modifications are incorporated unless it is determined that the interrelationships between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this Certificate and FAA Approved Columbia Helicopters Drawing List CH- 65 shall be maintained as part of the permanent records for the modified aircraft.

I ate fappliculum July 15, 1984 Date Reissued:

April 22, 1986 I ad amended FEDERAL AVIATION By direction of the Eldeninistraly * Signature

TOMINI STRATIO Manager, Seattle Aircraît Certification Office, ANM 100S

## Every issue (1)

- April 22, 1986: Issued, Current. [certificate](https://openairdocs.org/files/sha256/cf/cb/cfcbc7ca9ce8bdc9466c34ce2200388f3cc1910d4c893489e15923d090fbc91c)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.