# STC ST09931AC

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: L2 Aviation, United States
- Description: Installation of an Aspire 400 Satcom System
- Applied: October 1, 2021
- Status date: March 11, 2025
- Product: Aircraft, Large Airplane
- Certification basis: Part 25
- Data sheets: [TCDS T00003NY](https://openairdocs.org/tcds/T00003NY)
- Certificate PDF: https://openairdocs.org/files/sha256/7a/e2/7ae2fc20dbf44b4e4f0c09aa5c241844fdf4d55e1000c84cebc61722feca8318
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID138801571020250319170518.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST09931AC

## ADs that name it (0)

None.

## Approved models (2)

- Bombardier Inc. BD-700-1A10 ([TCDS T00003NY](https://openairdocs.org/tcds/T00003NY))
- Bombardier Inc. BD-700-1A11 ([TCDS T00003NY](https://openairdocs.org/tcds/T00003NY))

## 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.

ST09931AC L2 Aviation 2100 E Hwy 290 Dripping Springs, TX 78620 Part 25 the Federal Aviation Regulations T00003NY Bombardier, Inc.

BD-700-1A10, BD-700-1A11 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.

(See Continuation Sheet 3 of 4) 10/01/2021 01/24/2023 12/20/2024 03/11/2025 09/09/2022 for Paul Nguyen Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 4 nstallation of an Aspire 400 Satcom System in accordance with L2 Consulting Services, Inc., Master Data List 2315-BM10-MDL, Revision C, dated April 7, 2022, or later FAA approved revision. Airplane Flight Manual Supplement 2310-BM10-AFMS, Revision IR, dated September 8, 2022, or later FAA approved revision is required.

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

ST09931AC 03/11/2025 4

ST09931AC 03/11/2025 Limitations and Conditions (continued):

Instructions for Continued Airworthiness (ICA), L2 Consulting Services, Inc. Document 2315-BM10-ICA, Rev. IR, dated April 7, 2022, or later FAA accepted revision must be made available to the operator at the time of installation.

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 Bombardier BD-700-1A10 and BD-700-1A11 is as follows:

a. The certification basis for Bombardier BD-700-1A10 and BD-700-1A11 airplanes is shown on Type Certificate Data Sheet (TCDS) T00003NY 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, October 01, 2021, is based upon part 25 as amended by Amendment 25-97.

Based on 14 CFR §21.115 and 21.101, and the FAA policy for significant changes in FAA Order 8110.48, the certification basis for this modification was determined to be:

Regulations per TCDS T00003NY (amendments 25-1 through 25-97, plus exceptions in the TCDS):

14 CFR §25.29(a); 25.301; 25.303; 25.305(a),(b); 25.561(a),(b),(c); 25.601; 25.603; 25.605(a);

25.609; 25.625(a),(b),(c); 25.771(a); 25.789(a); 25.981(a)(3),(d); 25.1301; 25.1309

(b),(c),(d),(e); 25.1351(a); 25.1353(a),(c); 25.1355(a),(c); 25.1357(a),(c),(e); 25.1381(a),(b);

25.1431(a),(b),(c),(d); 25.1519; 25.1529; 25.1541(b); 25.1581; 25.1583(c)(1); 25.1585(a),(b) 3 4

ST09931AC 03/11/2025 Certification Basis (continued):

Regulations at an intermediate amendment Amendment 25-72: 25.307(a); 25.613(a)(b)(c)(d); 25.869(a)(4) Amendment 25-38: 25.1322 Amendment 25-23: 25.611; 25.619

Regulations at a later amendment Amendment 25-136: 25.773(a)(2)

Additional FAA Requirements:

Special Condition No. 25-828-SC, Electronic System Security Protection From Unauthorized Internal Access Special Condition No. 25-829-SC, Electronic System Security Protection From Unauthorized External Access

-END- 4 4

## Every issue (3)

- March 11, 2025: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/7a/e2/7ae2fc20dbf44b4e4f0c09aa5c241844fdf4d55e1000c84cebc61722feca8318)
- December 20, 2024: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/09/14/09140a0ded9b25c2becec2f1be46f7acba87ccdf4162d5b7e70953edb46c081b)
- September 9, 2022: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/c2/e5/c2e5510f4946aeae7d75c6ca42d61426d6ed1f39d4bcc19f11297f656439ff95)

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