# STC SA4498SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Sierra Industries, Inc, United States
- Description: Installation of three (3) Collins VHF communications transceivers Model VHF-20B
- Applied: April 17, 1980
- Status date: December 1, 1999
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A46EU](https://openairdocs.org/tcds/A46EU)
- Certificate PDF: https://openairdocs.org/files/sha256/0d/fa/0dfa472637932f30c40d6391bbc330d0423e9d5061fba53c95b848cc5727cc70
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E42507A18245163285256CC2000E3CDC.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA4498SW

## ADs that name it (0)

None.

## Approved models (1)

- Dassault Aviation Mystere-Falcon 50 ([TCDS A46EU](https://openairdocs.org/tcds/A46EU))

## 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.

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- JJfchcral ^fciaitmt JV&mmislraiwm (Eerttftcate SA4498SW Sierra Industries, Inc., a Texas Corporation Garner Field Road Uvalde, TX 78801 j&e^ AtaS Abe^ qfif «J- Aviation ee4te*o*tffaM^ Federal A46EU Dassault Aviation Falcon 50 Installation of three (3) Collins VHF Communications Transceivers, Model VHF-20B, according to Drawing List 50-23, Rev. A, dated June 6, 1981, or later FAA approved revision.

1. FAA Approved Airplane Flight Manual Supplement dated October 16, 1981, is required.

2. Concurrent installation of STC SA4485SW is required.

3. Compatibility of this modification with other previously approved modifications must be determined by the installer.

. April 17, 1980 October 16, 1981 .- December 1, 1999 e&rvc&ost' (Signature) Michele M. Owsley, Manager Airplane Certification Office, Southwest Region (Title)

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, Stale, and <7/> code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street} (City, State, and £IP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- December 1, 1999: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/0d/fa/0dfa472637932f30c40d6391bbc330d0423e9d5061fba53c95b848cc5727cc70)

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