# STC SA4481SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Sierra Industries, Inc, United States
- Description: Installation of 2-inch standby altimeter and 2-inch standby mach airspeed indicator
- 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/ee/6d/ee6d95bf655306053551baa9b6b451e38cd82dad93703fe360b0f7d0b0d07a7e
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/50EC7737D3E4A89385256CC2000E3CBB.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4481SW

## 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.

y&nittb States ©f .America 0f '(Erattgjxarlalttfit - Jijcfleral jAniattmt ^Aittmntalrattcm (Eerttftcate SA4481SW Sierra Industries, Inc., a Texas Corporation Garner Field Road Uvalde, TX 78801 Aviation &&tpada&cst&.

2\ .2°> / Z'i Federal A46EU Dassault Aviation Falcon Installation of 2" Standby Altimeter and 2" Standby Mach Airspeed Indicator according to Drawing List 50-11, Rev. E dated October 14, 1981, or later FAA approved revision.

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

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

3. Concurrent installation of STC SA4497SW is required.

.-April 17, 1980 October 16, 1981 '.- December 1, 1999 J^kiLk> (Signature)(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, Slate, and <Y/> 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/ee/6d/ee6d95bf655306053551baa9b6b451e38cd82dad93703fe360b0f7d0b0d07a7e)

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