# STC SA3144NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Heath Tecna Inc., United States
- Description: Installation of overhead storage compartments, ceiling
and wall linings, and normal and emergency lights
- Applied: May 17, 1985
- Status date: February 17, 2005
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 4A25](https://openairdocs.org/tcds/4A25)
- Certificate PDF: https://openairdocs.org/files/sha256/1e/8c/1e8c486a1a8b61a65e85458c402b871ee1b930c091f57108eea00b6985b19a75
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/AD814CC419558C8B86257A2C0050C410.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3144NM

## ADs that name it (1)

- [AD 88-11-08](https://openairdocs.org/ad/88-11-08): Ballasts · Bruce Industries Ballasts. Effective Jun 10, 1988. Named in the applicability

## Approved models (1)

- The Boeing Company DC-8-63 ([TCDS 4A25](https://openairdocs.org/tcds/4A25))

## 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.

United States of America Department of Transportation_Federal Aviation Administration Supplemental Type Certificate Number SA3144NM

This certificate, issued to: Heath Tecna Inc.

3225 Woburn Street Bellingham, WA 98226

Part 4b of the Civil Air Regulations.

Original ProductType Certificate Number: 4A25 Make: McDonnell Douglas Model: DC-8-63, S/N 45931

Description of the Type Design Change : Installation of overhead storage compartments, ceiling and wall linings, and normal and emergency lights, in accordance with HITCO Drawing List 9300000DL, Revision K, dated March 27, 1986, (configuration 9300000-17 only).

Limitations and Conditions: Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation made in McDonnell Douglas Corporation Model DC-8-63, S/N 45931 only. A copy of this Certificate must be maintained as part of the permanent records for the modified aircraft.

If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person evidence of that permission.

Date of application: May 17, 1985 Date reissued: 9/28/90; 10/28/94; 6/1/96;

7/20/00; 2/17/05 Date of issuance: March 31, 1986 Date amended: July 20, 2000

(Signature) Acting Manager, Seattle Aircraft Certification Office (Title)

## Every issue (1)

- February 17, 2005: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/1e/8c/1e8c486a1a8b61a65e85458c402b871ee1b930c091f57108eea00b6985b19a75)

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