# STC SA00396BO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: ATI Engineering Services LLC, United States
- Description: Installation of a Mid-Continent Model MD302 Standby Attitude Module (SAM)
- Applied: October 10, 2016
- Status date: August 5, 2024
- Product: Aircraft, Small Airplane
- Certification basis: Part 23
- Data sheets: [TCDS A00010WI](https://openairdocs.org/tcds/A00010WI)
- Certificate PDF: https://openairdocs.org/files/sha256/3f/e5/3fe5626b5fbb19a26a67f9727d5c94755eb660ce5996dd6e13be4739b7a2dc73
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID144155115820250612201806.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA00396BO

## ADs that name it (0)

None.

## Approved models (1)

- Textron Aviation Inc. 390 ([TCDS A00010WI](https://openairdocs.org/tcds/A00010WI))

## 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.

the Federal Aviation Regulations.

SA00396BO ATI Engineering Services, LLC 469 Airport Road, Hangar 9 Johnstown, Pennsylvania 15904 Part 23

A00010WI Textron Aviation, Inc.

(Previous holder: Beechcraft) 390

1. Operation must be in accordance with ATI Aircraft Flight Manual Supplement (AFMS) Document FMS-161010, Revision -, FAA approved on September 21, 2018, or later FAA approved revision.

The AFMS must be carried in the aircraft during all flights (Limitations and Conditions continued on Page 3 of 3) 10/10/2016 10/01/2018 11/26/2021 09/28/2018 08/05/2024 Christina M. Underwood Manager, East Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 3 Installation of a Mid-Continent Model MD302 Standby Attitude Module (SAM) in accordance with ATI Installation/Manufacturing Drawing List (IDL), Document number IDL-161010, Revision 3, dated August 15, 2018, or later FAA approved revision.

08/29/2019

SA00396BO 08/05/2024 3

SA00396BO 08/05/2024 Limitations and Conditions continued:

2. Maintenance must be in accordance with ATI Instructions for Continued Airworthiness (ICA), document number ICA-161010, Rev -, dated October 06, 2018, or later FAA accepted revision.

The ICA must be made available to the operator at the time of installation.

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

Certification Basis:

Based on 14 CFR § 21.115 and § 21.101, and the FAA policy for design changes that are identified as not significant in FAA Order 8110.48, the certification basis for the Textron Aviation, Inc. 390 aircraft is as follows:

a. The type certification basis for parts not changed or not affected by the change is shown on TCDS A00010WI.

b. The modification certification basis for parts changed or affected by the change since the reference application date, October 10, 2016, is based upon Part 23 as amended by Amendment 23-62 as follows:

Regulations at the latest amendment 23-0 through 23-62

23.25(a), 23.301, 23.303, 23.305, 23.603, 23.613, 23.773(a)(2), 23.867(a)(b), 23.1321(a)(c),

23.1323(a)(b)(c), 23.1325(a)(b), 23.1351(a), 23.1357(a)(b)(c), 23.1359(a)(c), 23.1365,

23.1529, 23.1581 Regulations at an intermediate amendment None Regulations at the amendment level in TCDS A00010WI

23.561(b)(3), 23.1301, 23.1309(a)(1)(3)(b)(1)(2)(c)(e), 23.1311(a)(5)(b), 23.1431(a)(b),

23.1545, 23.1585 ------------------------------------------------------END-------------------------------------------------- 3 3 Add Page

## Every issue (4)

- August 5, 2024: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/3f/e5/3fe5626b5fbb19a26a67f9727d5c94755eb660ce5996dd6e13be4739b7a2dc73)
- November 26, 2021: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/55/16/55163e57f4d3453e0a95ec1ac48e10b4b83eb310270bc3b264dd5a1a10ccfb52)
- August 29, 2019: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/b5/fe/b5fed8fdee183d242508369cae605242ba1b446c67eff141d46ea3718c983ac3)
- October 1, 2018: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/17/02/1702873d987a87ea030777fa64d4bd31b233b1404c4e2a7244d44b50441bcde6)

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