# STC SA3941WE-D

- Type: Supplemental type certificate
- Status: Current, Surrendered
- Holder: United Air Lines Inc, United States
- Description: Installation of a UHF radio telephone system.
- Applied: May 27, 1980
- Status date: June 26, 2009
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A22WE](https://openairdocs.org/tcds/A22WE)
- Certificate PDF: https://openairdocs.org/files/sha256/db/4e/db4e4e1201978f7f74fa9c539867f0587140157c61a444f99f2ee5046d583c72
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9F3C79A62FFE0DE5862577DC0074230A.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3941WE-D

## ADs that name it (0)

None.

## Approved models (1)

- McDonnell Douglas Corporation DC-10-10 ([TCDS A22WE](https://openairdocs.org/tcds/A22WE))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Certificate Supplemental Type Certificate 6.24.2029 Number: SA394 1WE-D This certificate issued to: UNITED AIRLINES, INC.

Part 25 of the FAR Regulations (SEE TC DATA SHEET A22WE) Original Product - Type Certificate Number: A22WE Make: MCDONNELL-DOUGLAS Model: DC-10-10 Description of Type Design Change:

INSTALLATION OF A UHF RADIO TELEPHONE SYSTEM IN ACCORDANCE WITH UNITED AIRLINES, DAS-1WE, SEALED DRAWING LIST 3941 DATED JUNE 9, 1980 OR LATER SEALED REVISION.

Limitations and Conditions: THE APPROVAL OF THIS CHANGE IN TYPE DESIGN APPLIES ONLY TO DC-10-10 AIRCRAFT. THIS APPROVAL DOES NOT EXTEND TO OTHER AIRCRAFT

**OF THIS MODEL ON WHICH OTHER PREVIOUSLY APPROVED MODIFICATTONS ARE INCOR-**

BETWEEN THIS CHANGE AND ANY OF THOSE OTHER PREVIOUSLY APPROVED MODIFICATIONS WILL INTRODUCE NO ADVERSE EFFECT UPON THE AIRWORTHINESS OF THAT AIRCRAFT.

**THIS DETERMINATION SHOULD INCLUDE CONSIDERATION OF SIGNIFICANT CHANGES IN**

EIGHT DISIRIBUTION SUCH AS INCREASE IN THE FIXED DISPOSABLE WEIGHT IN THI r of the Federal Aviation Administration .

Date of Application: MAX 27, 1980 J'ute missued:

Date of Issuance: JUNE 9, 1980 I ate unended:

FEDERAL AVIATION By Direction of the Administrator Fillion (Signature )

**TOMINISTRA TION UNITED AIRLINES, DAS COORDINATOR**

DAS-IWE (Title)

47.

**FAA FORM B110-2 (10-68)**

## Every issue (1)

- June 26, 2009: Surrendered, Current. [certificate](https://openairdocs.org/files/sha256/db/4e/db4e4e1201978f7f74fa9c539867f0587140157c61a444f99f2ee5046d583c72)

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