# STC SH83WE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Wayne Clevenger, United States
- Description: Installation of modified air induction system.
- Applied: June 16, 1967
- Status date: October 30, 1967
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS 6H2](https://openairdocs.org/tcds/6H2)
- Certificate PDF: https://openairdocs.org/files/sha256/c8/0c/c80c64e7b88c413dfbadd1622b91cb4acc7011305a19fbc6ccc4aebe6930489f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/205F0336FFC83DFB862576B2005135F8.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH83WE

## ADs that name it (0)

None.

## Approved models (2)

- Hiller Aviation UH-12B ([TCDS 6H2](https://openairdocs.org/tcds/6H2))
- Hiller Aviation UH-12C ([TCDS 6H2](https://openairdocs.org/tcds/6H2))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

--- 6H2 HILLER UH-12B, UH-12C .1rdrralal1iationagrn(~ ~upplcmcntal~~pc~crtifi(atc 1/- /J~ SB83WE ..2{~/~~;~.k- Wayne Clevenger 785 Monterey Road Salinas, california 93901 ~/~~.duur't?~uhvb"w~~~~~/~ADidb"wktda/~~~, Civil Air -//~~~/W?'&Yn/ffru;e4~-a~wo?'ain~4$~~~~ 8 ~~~ ~~~, ~Urd~-~,-(f~JY~k, ~:

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Installation of modified air induction system in accordance with Wayne Clevenger Drawing Number 1008, dated .June23, 1967.

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This approval should not be extended to other specific helicopters of these models on which other previously approved modifications are incorporated unless it is determined that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that helicopter.

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Q ;.,J), ::.vA~"'i'~n.ce' .' .June16, 1967 October 30, 1967 £g:y/d~~b"w~~ Origin&lSignedp~ lh t. L1-~,is(Sz:gnature) Chief. Aircraft Engineering Division (TItle) An)' alleration of this certificate is punishable by' a fine of nol exceeding $] ,000, or imprisonment not exceeding 3 years, or both, , FAA FORM 8110-2 (1-66) 0052-657-6000

## Every issue (1)

- October 30, 1967: Issued, Current. [certificate](https://openairdocs.org/files/sha256/c8/0c/c80c64e7b88c413dfbadd1622b91cb4acc7011305a19fbc6ccc4aebe6930489f)

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