# STC ST09900AC

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: L2 Aviation, United States
- Description: installation of an Electronic Flight Bag (EFB) power system
- Applied: August 14, 2018
- Status date: May 7, 2025
- Product: Aircraft, Large Airplane
- Certification basis: Part 25
- Data sheets: [TCDS A56NM](https://openairdocs.org/tcds/A56NM)
- Certificate PDF: https://openairdocs.org/files/sha256/f7/27/f7270ef8f0ad889b06a8f63a0309ae5facaacf46a1579bb2ac6b7ada194c4939
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID189212112520250523164402.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST09900AC

## ADs that name it (0)

None.

## Approved models (8)

- Embraer S.A. ERJ 170-100 LR ([TCDS A56NM](https://openairdocs.org/tcds/A56NM))
- Embraer S.A. ERJ 170-100 SE ([TCDS A56NM](https://openairdocs.org/tcds/A56NM))
- Embraer S.A. ERJ 170-100 STD ([TCDS A56NM](https://openairdocs.org/tcds/A56NM))
- Embraer S.A. ERJ 170-100 SU ([TCDS A56NM](https://openairdocs.org/tcds/A56NM))
- Embraer S.A. ERJ 170-200 LL ([TCDS A56NM](https://openairdocs.org/tcds/A56NM))
- Embraer S.A. ERJ 170-200 LR ([TCDS A56NM](https://openairdocs.org/tcds/A56NM))
- Embraer S.A. ERJ 170-200 STD ([TCDS A56NM](https://openairdocs.org/tcds/A56NM))
- Embraer S.A. ERJ 170-200 SU ([TCDS A56NM](https://openairdocs.org/tcds/A56NM))

## 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.

ST09900AC L2 Aviation 2100 E Hwy 290 Dripping Springs, TX 78620 Part 25 the Federal Aviation Regulations A56NM Embraer S.A.

ERJ 170-100 STD/LR/SU/SE ERJ 170-200 STD/LR/SU/LL 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.

08/14/2018 05/07/2025 02/11/2019 for Paul Nguyen Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 3 Installation of an Electronic Flight Bag (EFB) power system in accordance with Master Drawing List 4620-E11-MDL, Revision B, dated December 11, 2018, or later FAA approved revision.

Airplane Flight Manual Supplement 4620-E11-AFM, Revision IR, dated December 12, 2018, or later FAA approved revision is required.

FAA 8110-2 ( 10/24) Page 2 of __

ST09900AC 05/07/2025 3

ST09900AC 05/07/2025 Certification Basis:

Based on 14 CFR §§21.115 and 21.101, and FAA policy for significant changes in FAA Order 8110.48, the certification basis for the Embraer ERJ 170-100/200 is as follows:

a. The type certification basis for Embraer ERJ 170-100/200 airplanes is shown on TCDS A56NM for parts not changed or not affected by the change.

b. The certification basis for parts changed or affected by the change since the reference date of applications, August 14, 2018, is based upon 14 CFR part 25 and 14 CFR part 26.

Based on 14 CFR §§21.115 and 21.101, and FAA policy for significant changes in FAA Order 8110.48, the project certification basis for the Embraer ERJ 170-100 STD/LR/SU/SE and ERJ 170-200 STD/LR/SU/LL is as follows:

Regulations at the amendment level in TCDS A56N (25-0 through 25-109)

25.29(a); 25.301(a); 25.303; 25.305(a),(b); 25.307(a); 25.561(c); 25.601; 25.603; 25.609(a);

25.869(a)(4); 25.1351(a); 25.1529; 25.1541; 25.1581; 25.1585

Regulations at the latest amendment 25-0 through 25-144

25.611, 25.613(a),(b),(c); 25.899; 25.981(a)(3),(d); 25.1301(a); 25.1309(b),(c)(d)(e);

25.1353(a),(c); 25.1357(a),(c); 25.1360; 25.1431; Appendix H

14 CFR Part 26 regulations Based on 14 CFR §21.101(g), applicable provisions of 14 CFR part 26 are included in the certification basis. For any future 14 CFR part 26 amendments, the holder of this STC must demonstrate compliance with the applicable sections. As of the issuance date of this STC, compliance has been found for the following regulation 14 CFR §26.11 - amendment 26-0.

-END- 3 3

## Every issue (2)

- May 7, 2025: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/f7/27/f7270ef8f0ad889b06a8f63a0309ae5facaacf46a1579bb2ac6b7ada194c4939)
- February 11, 2019: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/e0/52/e052e117f90175caeb00785be8066f11483a5c2d6f2d4120a947ddaf441825b6)

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