# STC ST10609SC

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: L2 Aviation
- Description: Installation of upgraded Honeywell Enhanced Ground Proximity Warning System to include Runway Awareness and Advisory System (RAAS) software.
- Status date: March 11, 2025
- Data sheets: A2NM, A2NM, A2NM, A2NM
- Certificate PDF: https://openairdocs.org/files/sha256/e2/6b/e26b5a1ef4bbdb4f2fd02104187f68cd27d71d4615956f16fc68bb9ecb52eec2
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID190147579320250319175214.0001
- Page: https://openairdocs.org/stc/ST10609SC

## ADs that name it

None.

## Approved models (4)

- The Boeing Company 757-200 Series (TCDS A2NM)
- The Boeing Company 757-200CB Series (TCDS A2NM)
- The Boeing Company 757-200PF Series (TCDS A2NM)
- The Boeing Company 757-300 Series (TCDS A2NM)

## 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.

ST10609SC L2 Aviation 2100 E Hwy 290 Dripping Springs, TX 78620 Part 25 the Federal Aviation Regulations A2NM The Boeing Company See Continuation Sheet 3 of 3 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 3) 11/23/2005 12/20/2024 03/11/2025 01/19/2007 for Paul Nguyen Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 3 Installation of upgraded Honeywell Enhanced Ground Proximity Warning System to include Runway Awareness and Advisory System (RAAS) software in accordance with Master Drawing List 3446-B19-MDL, Revision B, dated December 28, 2006, or later FAA approved revision. Airplane Flight Manual Supplement 3446-B19-AFM, Revision IR, dated January 17, 2007, or later FAA approved revision is required.

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

ST10609SC 03/11/2025 3

ST10609SC 03/11/2025 Models (Continued):

757-200 Series; 757-200CB Series; 757-200PF Series; 757-300 Series

Certification Basis:

25.981, Amendment 102

25.1353(a)(b), Amendment 113

25.1431(a)(c), Amendment 113

25.1541(b), Amendment 72

25.1581, Amendment 72

25.1583, Amendment 105

-END- 3 3

## Every issue (3)

- March 11, 2025: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/e2/6b/e26b5a1ef4bbdb4f2fd02104187f68cd27d71d4615956f16fc68bb9ecb52eec2)
- December 20, 2024: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/b8/07/b807d1002c4dea6f2a33b90f5dafbd2f1ba284ab965e839cbe04836063af05b8)
- January 19, 2007: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/c8/c6/c8c62c9d1098b86d2765fefedb5e01f30253abfc57f1ad1536c12c9d7d752cac)

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From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.