# STC SA4503SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Sierra Industries, Inc
- Description: Installation of vertical gyro switching.
- Status date: December 1, 1999
- Data sheets: A46EU
- Certificate PDF: https://openairdocs.org/files/sha256/d9/d2/d9d2fcbdbca6b875df0fefa90eb8867696121df269b071acd1bcf9da002c840b
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5516FF0FC1A7D29585256CC2000E3CEF.0001
- Page: https://openairdocs.org/stc/SA4503SW

## ADs that name it

None.

## Approved models (1)

- Dassault Aviation Mystere-Falcon 50 (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.

®f 0f tEraitgp0riatt0it - Jifeheral jX&talton J^imttmslralttm (Certificate SA4503SW Sierra Industries, Inc., a Texas Corporation Garner Field Road Uvalde, TX 78801 Aviation ^e^u/^Man^.

21.29 Federal A46EU Dassault Aviation 50 Installation of Vertical Gyro Switching according to Drawing List 50-28, dated January 10, 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. The installation of a Vertical Gyro Switching in accordance with this STC requires that an approved Inertial Navigation System be installed in the airplane. This Inertial Navigation System's Vertical Gyro output must have a failure rate which does not exceed 0.0001, (1 x 10"4) failures per operating hour.

.• December 08, 1980 October 16, 1981 '.• December 1, 1999 N (Signature) Michele M. Owsley, Manager Airplane Certification Office, Southwest Region Any alteration of tnis certificate i5 punishable by a fine of not exceeding 51,000, or imprisonment not exceeding 3 years, or ix>tn.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, Slate, and <JP code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, Stale, and <7/> 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/d9/d2/d9d2fcbdbca6b875df0fefa90eb8867696121df269b071acd1bcf9da002c840b)

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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.