# STC SA1955NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Telair US LLC, United States
- Description: Installation of Center Guide Assembly, P/N 46675-101, -102, -103, -104, -105
- Applied: December 2, 1982
- Status date: March 26, 2015
- Product: Aircraft, Large Airplane
- Certification basis: Part 25
- Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE)
- Certificate PDF: https://openairdocs.org/files/sha256/11/5b/115bcfa2909978ab3ea71644ea934998088c57cf985782e1b5fe012e1844f816
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C333C9641C23B84486257E9700712A35.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1955NM

## ADs that name it (0)

None.

## Approved models (10)

- 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 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.

Part 25 of the Federal Aviation Regulations. (See Type Certificate Data Sheet Number A20WE for complete certification basis).

Installation of Center Guide Assembly, P/N 46675-101, -102, -103, -104 and -105 in accordance with FAA sealed Brownline Drawing List W.O. 46675DL, Revision B, dated May 6, 1993, or AAR Report Number 723, Revision D dated March 18, 1996, or later FAA approved revisions.

1) The provisions of the FAA approved Boeing weight and balance manual and the FAA approved Boeing flight manual, affected by installation, must be followed.

2) The installer must determine whether this design change is compatible with previously approved modifications.

3) If the holder agrees to permit another person to use this certificate to alter the product, the holder must give the other person written evidence of that permission.

Telair US LLC 500 Gateway Drive Goldsboro, NC 27534 A20WE Make : Boeing Model : 747-100B Series, -100 Series, -100B SUD Series, -200B Series, -200C Series, -200F Series, -300 Series; 747SR Series;

-400 Series, 747SP Series Date of application : December 2, 1982

Date of issuance : March 21, 1983

Date reissued : November 25, 1986; March 26, 2015

Date amended : December 19, 1984; July 20, 1985;

May 21, 1993; May 14, 1996

(Signature) Karol Mordasiewicz Manager, Airframe & Administrative Branch Chicago Aircraft Certification Office

(Title)

Original Signed By:

Karol Mordasiewicz

FAA FORM 8110-2-1(10-69) PAGE 2 of 3 PAGES

Number

FAA FORM 8110-2-1(10-69) PAGE 3 of 3 PAGES

## Every issue (1)

- March 26, 2015: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/11/5b/115bcfa2909978ab3ea71644ea934998088c57cf985782e1b5fe012e1844f816)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.