# STC SH586AL

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Airglas Engineering Company Inc., United States
- Description: Install Airglas Model L2700-206L skis.
- Applied: May 5, 1976
- Status date: August 27, 2008
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H2SW](https://openairdocs.org/tcds/H2SW)
- Certificate PDF: https://openairdocs.org/files/sha256/c9/67/c9677f446cb683760ed0c0b076eaedbc7663a5ff12beb5e17d8d968d20d5358d
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2BB6A8618860B308862574BF004E8879.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH586AL

## ADs that name it (0)

None.

## Approved models (2)

- Bell Helicopter Textron (Canada) 206L ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))
- Bell Helicopter Textron (Canada) 407 ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (1)

- August 27, 2008: Amended, Current. [certificate](https://openairdocs.org/files/sha256/c9/67/c9677f446cb683760ed0c0b076eaedbc7663a5ff12beb5e17d8d968d20d5358d)

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