# STC SA1122NW-D

- Type: Supplemental type certificate
- Status: Current, Surrendered
- Holder: United Air Lines Inc, United States
- Description: Installation of solid-state, color-display system.
- Applied: July 1, 1981
- Status date: June 26, 2009
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 4A25](https://openairdocs.org/tcds/4A25)
- Certificate PDF: https://openairdocs.org/files/sha256/21/96/2196d2db5bb055d9317882a0fa86622521a2e622423ac13a61e53c4467fd0d69
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0BAB3B015893DD09862577DC007271C5.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1122NW-D

## ADs that name it (0)

None.

## Approved models (1)

- McDonnell Douglas Corporation DC-8-61 ([TCDS 4A25](https://openairdocs.org/tcds/4A25))

## 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 Supplemental Type Certificate ENDERED Certificate on 6.026.2009 Number SA1122NW-D This certificate issued to: UNITED AIRLINES, INC.

Part 4.B of the CIVIL AIR Regulalions: SPECIAL CONDITIONS: SEE IC DATA SHEFT 4A25.

Original Product - Type Certificato Number: 4A25 Make: McDonnell-Douglas Merted: DC8-61 Descriplion sf Izype Design Ishange:

Rework of weather radar system to install solid-state, color-display system in accordance with United Airlines, DAS-IWE, sealed drawing list TIZZ dated July I, 98l or later sealed revision.

Limitations and Conditions: The approval of this change in type design applies only to DC-8-61 aircraft. This approval does not extend to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationship 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 weight distribution such as increase in the fixed disposable weight in the fuselage Pasterline (Signature )

YOMNISTRAIOS UNITED AIRLINES, DAS COORDINATOR DAS-1WE (Title)

47.

FAA FoR 8110-2 (10-68)

## Every issue (1)

- June 26, 2009: Surrendered, Current. [certificate](https://openairdocs.org/files/sha256/21/96/2196d2db5bb055d9317882a0fa86622521a2e622423ac13a61e53c4467fd0d69)

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