# STC SA09170AC

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Ontic Engineering and Manufacturing Inc., United States
- Description: Installation of Concorde RG390ES sealed lead-acid batteries
- Applied: July 14, 1995
- Status date: March 17, 2022
- Product: Aircraft, Small Airplane
- Certification basis: Part 21, Part 23
- Data sheets: [TCDS A5SW](https://openairdocs.org/tcds/A5SW)
- Certificate PDF: https://openairdocs.org/files/sha256/f2/ad/f2ad179e2c3ccfc12a5bf9067a5635962621ce602d5e4a0148066d4a357a7962
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/41CD0875D85B0C868625882B00543878.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA09170AC

## ADs that name it (0)

None.

## Approved models (3)

- M7 Aerospace LLC SA226-AT ([TCDS A5SW](https://openairdocs.org/tcds/A5SW))
- M7 Aerospace LLC SA226-T ([TCDS A5SW](https://openairdocs.org/tcds/A5SW))
- M7 Aerospace LLC SA227-AT ([TCDS A5SW](https://openairdocs.org/tcds/A5SW))

## 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.

SA09170AC Ontic Engineering and Manufacturing, Inc.

1176 Telecom Drive Creedmoor, NC 27522 Part 23 the Federal Aviation Regulations A5SW Fairchild SA227-AT, SA226-AT, SA226-T Installation of Concorde RG390ES Sealed Lead-Acid Batteries in accordance with Aerodesign Aircraft Engineering, Inc. Master Drawing List No. 1331-10, Revision E, dated September 20, 1995, or later FAA approved revision.

(See continuation sheet 3 of 3) July 14, 1995 March 15, 2022; August 23, 2002; June 6, 2003;

April 26, 2012; March 17, 2022 August 11, 1995 S. Frances Cox Acting Manager, Fort Worth ACO Branch, Compliance & Airworthiness Division Aircraft Certification Service 3

SA09170AC 3

SA09170AC Date of Issuance: August 11, 1995 Date of Reissuance: December 17, 2021

Model SA226-T applicability covers serial numbers T201 through T248 only. The installer must determine whether this design change is compatible with previously approved modifications. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission. An FAA approved Flight Manual Supplement, dated November 3, 1995, or later FAA approved revision is required.

-END- 3 3

## Every issue (2)

- March 17, 2022: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/f2/ad/f2ad179e2c3ccfc12a5bf9067a5635962621ce602d5e4a0148066d4a357a7962)
- April 26, 2012: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/a3/cd/a3cd53ea65e0a8723725187d669880bf724bbeec22c76fbfea257f91ba5a237f)

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