# STC SA04427CH

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: uAvionix Corporation, United States
- Description: Installation of the uAvionix tailBeacon Automatic Dependent Surveillance-Broadcast (ADS-B) Out in accordance with uAvionix tailBeacon Installation Manual UAV-1002514-001, Revision B, dated August 28, 2019 and AML Number SA04427CH or later FAA approved revisions.
- Applied: May 7, 2019
- Status date: September 13, 2019
- Product: Aircraft
- Certification basis: Part 21, Part 23
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12)
- Certificate PDF: https://openairdocs.org/files/sha256/b8/b0/b8b09ce090233dddd1d951a337c8ce617bfc237dd29d29f11f48844765309b39
- Approved model list and other attachments: [SA04427CH STC AML.pdf](https://openairdocs.org/files/sha256/14/6f/146ff3ef8f01238f69cf560f2e9e79957d6213ef6138ca31f96e76e777613dcc)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D16DE83C87E931728625847F00518382.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA04427CH

## ADs that name it (0)

None.

## Approved models (18)

- Textron Aviation Inc. 172 ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172A ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172B ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172C ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172D ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172E ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172F (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172G ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172H (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172I ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172K ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172L ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172M ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172N ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172P ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172Q ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172R ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172S ([TCDS 3A12](https://openairdocs.org/tcds/3A12))

## 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.

Part * of the * R egulations.

Original Pr oduct --Type Certificate N umber *

Installation of the uAvionix tailBeacon Automatic Dependent Surveillance-Broadcast (ADS-B) Out in accordance with uAvionix tailBeacon Installation Manual UAV-1002514-001, Revision B, dated August 28, 2019 and AML Number SA04427CH or later FAA approved revisions.

1) Compatibility of this design change with previously approved modifications must be determined by the installer.

2) A copy of this certificate and FAA Approved Model List (AML) Number SA04427CH issued September 13, 2019, or later FAA approved revision, must be maintained as part of the permanent records for the modified aircraft.

3) FAA Approved Airplane Flight Manual Supplement as listed on FAA AML No. SA04427CH, or later FAA approved revision, is required on board the modified aircraft.

4) If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

uAvionix Corporation 2411 W. Winnemac Avenue Chicago, IL 60625 * See attached FAA Approved Model List (AML) No. SA04427CH for list of approved airplane models and applicable airworthiness regulations. M ake : * .

M odel : * Date of application : May 7, 2019

Date of issuance : September 13, 2019

B y direction of the A dministrator

(Signature) Steven L. Lardinois Manager, Systems Section Chicago ACO Branch

(Title)

### SA04427CH STC AML.pdf

Approved Model List (AML) Number SA04427CH uAvionix Corporation For Installing a tailBeacon ADS-B OUT System Page 1 of 1 Issue Date: September 13, 2019

Item Number Aircraft Make Aircraft Model Original Type Certificate Number Certification Basis Installation Manual Document Number Revision Date AFMS Document Number Revision Approval Date AML Amendment Date

1. Textron Aviation Inc.

172, 172A, 172B, 172C, 172D, 172E, 172F, 172G, 172H, 172I, 172K, 172L, 172M, 172N, 172P, 172Q, 172R, 172S 3A12 CAR 3 and 14 CFR 23 per TCDS UAV-1002514-001 Revision B August 28, 2019 UAV-1002512-001 Revision A September 12, 2019 N/A

FAA Approved: _____________________________________ Steven L. Lardinois Manager, Systems Section Chicago ACO Branch

## Every issue (1)

- September 13, 2019: Issued, Current. [certificate](https://openairdocs.org/files/sha256/b8/b0/b8b09ce090233dddd1d951a337c8ce617bfc237dd29d29f11f48844765309b39), [SA04427CH STC AML.pdf](https://openairdocs.org/files/sha256/14/6f/146ff3ef8f01238f69cf560f2e9e79957d6213ef6138ca31f96e76e777613dcc)

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