# STC SA1142NW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: United Airlines Inc, United States
- Description: Installation of a Sperry Flight Management System in accordance with DAS-1-WE approved drawing list No. 1142 or later approved revision.
- Applied: October 8, 1982
- Status date: November 30, 2011
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A22WE](https://openairdocs.org/tcds/A22WE)
- Certificate PDF: https://openairdocs.org/files/sha256/c8/a4/c8a45676592b3b26acd05c2031ce04f9a1c5ecc08b6775bd6d97a7a34ad240bd
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A3431A530B6DF59E86257992006F4A17.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1142NW-D

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company DC-10-10 ([TCDS A22WE](https://openairdocs.org/tcds/A22WE))

## 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 United Air Lines, Inc.

600 Jefferson Street Houston, Texas 77002 Part 25 of the Federal Aviation Regulations.

A22WE

Boeing

DC-10-10 Description of Type Design Change : Installation of a Sperry Flight Management System in accordance with DAS-1-WE approved drawing list No. 1142 or later approved revision.

Limitations and Conditions: This certification does not cover th e operation of the installed Flight Management System but only the installation thereof. If the aircraft is operated in service with the Flight Management System equipment insta lled, the associated circuit breakers must be pulled and collared, pending certification of the F light Management System functions. 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.

This certificate and the supporting data, which is the basis for approval, shall remain in effect until surrendered, suspended, revoked or a termination date is otherwise established by the Administrator of the Federal Aviation Administration.

Date of application: October 8, 1982

Date of issuance: November 4, 1982

Date reissued: November 30, 2011

( Signature) Haifa Haj-Eid Supervisor, Technical & Administrative Support Staff, 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.**

## Every issue (1)

- November 30, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/c8/a4/c8a45676592b3b26acd05c2031ce04f9a1c5ecc08b6775bd6d97a7a34ad240bd)

---
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.
