# STC SA2774NM-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: United Airlines Inc, United States
- Description: Modifies the aircraft to install Honeywell Advanced Flight Management Computers (AFMC) and Hybrid Multifunction Control Display Units (HMCDU).  The installation is in accordance with DAS-1-WE Approved United Air Lines Drawing List No. 2774, dated March 28, 1990 or later FAA approved revision.
- Applied: February 9, 1990
- Status date: November 30, 2011
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A1NM](https://openairdocs.org/tcds/A1NM)
- Certificate PDF: https://openairdocs.org/files/sha256/bc/58/bc5880eda656c2bd43b48b38f5600d440d1e6250186c90278ba57b5f62e6a130
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/48DCDE41D46F56C386257996005D2200.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2774NM-D

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 767-200 Series ([TCDS A1NM](https://openairdocs.org/tcds/A1NM))

## 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 t he Federal Aviation Regulation * Ref. Type Certificate Data Sheet A1NM for special conditions.

A1NM

Boeing

767-200 Series Description of Type Design Change: Modifies the aircraft to install Honeywell Advanced Flight Management Computers (AFMC) and Hybrid Multifunction Control Display Units (HMCDU).

The installation is in accordance with DAS-1-W E Approved United Air Lines Drawing List No.

2774, dated March 28, 1990 or later FAA approved revision.

Limitations and Conditions: The approval of this installati on applies basically to the B767-200 Series only. This approval Should not be extended 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 a ny of those previously approved modifications will introduce no adverse effects upon the airworthiness of this aircraft. If the holder agrees to perrmit another person to use this certificate to alte r 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: February 9, 1990

Date of issuance: March 30, 1990

Date reissued: November 30, 2011

( Signature) Haifa Haj-Eid Supervisor, Technical & Administrative Support Staff, Los Angeles Aircraft Certification Office ( Title)

## Every issue (1)

- November 30, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/bc/58/bc5880eda656c2bd43b48b38f5600d440d1e6250186c90278ba57b5f62e6a130)

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