# STC SH449AL

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Airglas Inc.
- Description: Fabrication and installation of Airglas Engineering Company, Inc. P/N L8500A-1 left ski and P/N L8500A-2 or P/N L8500R-2 right ski
- Status date: August 14, 2012
- Data sheets: H4SW
- Certificate PDF: https://openairdocs.org/files/sha256/5c/aa/5caa3754ab08f383ee46e1a6c1dc4abbf76b09a54daabb74cf4e5472a7b6992f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/900852A18695404A86257EAD00554A2E.0001
- Page: https://openairdocs.org/stc/SH449AL

## ADs that name it

None.

## Approved models (1)

- Bell Helicopter Textron Inc. 212 (TCDS H4SW)

## 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.

This Certificate issued to

Part 29* of the Federal Aviation Regulations.

Description of Type Design Change: Fabrication and installation of Airglas Engineering Company, Inc. P/N L8500A-1 left ski and P/N L8500A-2 or P/N L8500R-2 right ski in accordance with Airglas Engineering Company, Inc. Master Drawing List No. L8500AR212, Original Issue, dated October 7, 1998, or later FAA approved revision.

Limitations and Conditions: Compatibility of this design change with previously approved modifications must be determined by the installer. FAA approved Rotorcraft Flight Manual Supplement for Bell 212 Helicopter, Revision 3, dated December 21, 1998, or later FAA approved revision, is a required part of this installation.

The holder of this Certificate will provide each person it permits to use the Certificate to alter one or more helicopters with written evidence of that permission in a form acceptable to the Administrator

3500 O’Malley Rd Anchorage, AK 99507

H4SW Make : Bell Helicopter Textron Model : 212

Date reissued : June 20, 1988; August 14, 2012

Date amended : May 22, 1973; June 10, 1974;

June 20, 1988; December 21, 1998

(Signature) August A. Asay Manager, Anchorage Aircraft Certification Office

(Title) Date of application : February 24, 1971

Date of issuance : September 24, 1971

*Complete certification basis is specified in Type Certificate Data Sheet No. H4SW, Rev 23

## Every issue (1)

- August 14, 2012: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/5c/aa/5caa3754ab08f383ee46e1a6c1dc4abbf76b09a54daabb74cf4e5472a7b6992f)

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From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.