# STC SA2717NM-D

- Type: Supplemental type certificate
- Status: Current, Surrendered
- Holder: United Air Lines Inc, United States
- Description: Installation of TCAS and data recording provisions, consisting of equipment mounting trays, antenna systems and cables, circuit breakers, and complete system interwiring.
- Applied: March 15, 1987
- 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/df/76/df76d92d3269797b52ba0ca214cbea2a5c7b06deece7aaa7dd09459715592613
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0B78FB60AE892236862577DC007273E5.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2717NM-D

## ADs that name it (0)

None.

## Approved models (1)

- McDonnell Douglas Corporation DC-8-71 ([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 Certificate SURRENDERED Number: SA271701-1 on _ 6-26-2001 This certificate issued to: UNITED AIRLINES, INC.

Part 0A.D of the CiVII Air Pegulationi: See Type Certificate Data Sheet 4A25 for Special Conditions.

Original Product - Type Puertificate Number: 4725 Make: McDonnell-Douglas Model: DC8-71 Description of Type Design Change: Installation Of ICAS and Data Recording provisions, consisting of equipment mounting trays, antenna systems and cables, circuit breakers, and complete system interwiring, in accordance with United Airlines, DAS-IWE, sealed drawing list 2717, dated April 29, 1987 or later sealed revision.

Limitations and Conditions: 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 effect upon the airworthiness of that aircraft.

M. Casterline (Signature ) TOMINISTRAT Yo R.M.Casterline United Airlines DAS Coordinator DAS-IWE (Title)

47.

## Every issue (1)

- June 26, 2009: Surrendered, Current. [certificate](https://openairdocs.org/files/sha256/df/76/df76d92d3269797b52ba0ca214cbea2a5c7b06deece7aaa7dd09459715592613)

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