# STC SA2415NM

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Sierracin/Sylmar Corporation, United States
- Description: The number 2 Cockpit Side Windows installed.
- Applied: December 7, 1983
- Status date: October 30, 2013
- Product: Aircraft, Large Airplane
- Certification basis: Part 21, Part 25, Part 26
- Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE)
- Certificate PDF: https://openairdocs.org/files/sha256/04/e9/04e9e0608711268ffe2fc95f1b0cf28df7bd93b6dc963b919c3df449d589227e
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A765EAB75731B2D486257C19006B2656.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2415NM

## ADs that name it (0)

None.

## Approved models (12)

- The Boeing Company 747-100 Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-100B SUD Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-100B Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-200B Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-200C Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-200F Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-300 Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-400 Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-400D Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-400F Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747SP Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747SR Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))

## 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.

This Certificate issued to Sierracin/Sylmar Corporation 12780 San Fernando Road Sylmar, California 91342 Part 25* of the Federal Aviation Regulations . * Certification basis is set forth in Type Certificate Data Sheet A20WE Original Product Type Certificate Number :

A20WE

Boeing

747-100, -l00B, -100B SUD, -200B, -200C, -200F, -300, -400, -400D, -400F, SR, and SP Series Description of Type Design Change:

The number 2 Cockpit Side Windows installed in accordance with Sierracin/Sylmar drawing 141500, Revision F, dated May 30, 1984 or later FAA approved revision.

The number 3 Cockpit Side Windows installed in accordance with Sierracin/Sylmar drawing 141600, Revision E, dated May 30, 1984, or later FAA approved revision.

The installation should not be incorporated in any aircraft unless it is determined that the interrelationship between this installation and any previously approved configuration will not introduce any adverse effect upon the airworthiness of the aircraft. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Date of application : December 7, 1983

Date of issuance : June 11, 1984

Date amended : February 12, 2007; May 30, 2007;

October 30, 2013

(Signature) Manager, Airframe Branch Los Angeles Aircraft Certification Office (Title)

NOTE:

**DO NOT DELETE THIS PAGE.**

**DO NOT ADD ANY DATA TO THIS PAGE.**

**THIS PAGE IS FOR PAGE NUMBERING PURPOSES, PLEASE DISCARD PRINTED COPY.**

Number SA2415NM

Certification Basis:

Based on 14 CFR §§ 21.115 and 21.101, and FAA order 8110.48, the type certification basis for the Boeing 747 Series modification of cockpit side window is in accordance with Type Certificate Data Sheet, A20WE, with the following exceptions:

Regulations at the latest amendment 25-0 through 25-112

25.301(a)(b)(c), 25.303, 25.305(a)(b)(c)(e)(f), 25.307(a)(d), 25.365(a)(b)(c)(d)(e)(f), 25.561(a)(b),

25.601, 25.603(a)(b)(c), 25.605(a)(b), 25.607(a)(b), 25.609(a)(b), 25.613(a)(b)(c)(e)(f),

25.619(b)(c), 25.623(a)(b), 25.853(a), 25.1301(a)(b), 25.1309(a), 25.1357(a), 25.1519, 25.1529, Appendix F, Appendix H

Regulations at an intermediate amendment

None

Regulation at the amendment level in TCDS A20WE

25.1353(a),(b), 25.1431(c)

Based on 14 CFR §§ 21.101(g), applicable provision of 14 CFR part 26 is included in the certification basis. For any future 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 regulations 14 CFR §§ 26.11, (Amdt. No. 26-0).

- END -

## Every issue (2)

- October 30, 2013: Amended, Current. [certificate](https://openairdocs.org/files/sha256/04/e9/04e9e0608711268ffe2fc95f1b0cf28df7bd93b6dc963b919c3df449d589227e)
- May 30, 2007: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/af/bb/afbb11fef14f6d8db3065e66b7e9e1d2eb0e5a344e961508dbdbcabbf35c0753)

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