# STC SA4491SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Sierra Industries, Inc, United States
- Description: Installation of Delco Carousel IV-AX inertial navigation system.
- 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/sha256/48/c6/48c6dc9ad0f4fc0aef501dae2d847f267b6cc15921f722adb31b621b453bdb9c
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9C5051FF2DE9F62C85256CC2000E3CD5.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4491SW

## 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.

tee ©f (Atncrtca Pepartmcnt of transportation - JJfeheral (ABiation (Aittniniatration Certificate SA4491SW Sierra Industries, Inc., a Texas Corporation Garner Field Road Uvalde, TX 78801 /nee& Aviation &Hyue&/temi-.

2\ .2^ 1 2^ Federal A46EU Dassault Aviation ^&<*&S. Falcon 50 Installation^'of Delco Carousel IV-AX Inertial Navigation System according to Drawing List 50-21, Revision F dated 6/26/82, or later FAA approved revision.

1. FAA Approved Airplane Flight Manual Supplement dated 6-28-82 is required.

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

3. The installation of an inertial navigation system in accordance with this STC requires that an additional approved long range navigation system be installed in the airplane. This additional system must have a failure rate which does not exceed 0.00001, (IxlO"5) failures per operating hour.

.• April 17, 1980 October 16, 1981 .- December 1, 1999 '.• June 28, 1982 Revision 1 (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, State, and </? cade) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) ( City, Slate, and <?/" 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/sha256/48/c6/48c6dc9ad0f4fc0aef501dae2d847f267b6cc15921f722adb31b621b453bdb9c)

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