# STC ST11CH

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Telair US LLC, United States
- Description: Install cargo conveyer system.
- Applied: September 17, 1991
- Status date: March 26, 2015
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE)
- Certificate PDF: https://openairdocs.org/files/sha256/13/ea/13ea411a07bcfd99a9f07f06218133580cc97e14ed2ea8108573f65542ce2cf9
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/566D4A5ACB473B5486257E9900617E64.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST11CH

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 747-100 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 the complete certification basis).

Install cargo conveyer system in accordance to the drawings listed on Drawing List W.O. 20774 DL, revised October 25, 1991, or with Drawing List 704, Revision C, dated March 29, 1995, or later FAA approved revisions.

1) The provisions of the FAA approved Boeing weight and balance manual and the FAA approved 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.

(Continued on page 3)

Telair US LLC 500 Gateway Drive Goldsboro, NC 27534 A20WE Make : Boeing Model : 747-100 Series Date of application : September 17, 1991

Date of issuance : November 20, 1992

Date reissued : March 26, 2015

Date amended : September 10, 1997

(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 3 of 3 PAGES

Number ST11CH

Date Amended: September 10, 1997 Date Reissued: March 26, 2015

LIMITATIONS AND CONDITIONS: (Continued from Page 1 of 3)

4) STC Number SA5795NM is required for this installation.

5) This installation may be operated with missing or inoperative restraint hardware in strict accordance with Report BPS 622, Revision A, dated June 9, 1995 or later FAA approved revisions. This report specifies what hardware is permitted to be missi ng or inoperative and gives loading restrictions accordingly.

-END-

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/sha256/13/ea/13ea411a07bcfd99a9f07f06218133580cc97e14ed2ea8108573f65542ce2cf9)

---
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.