# STC SA7729SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Ontic Engineering and Manufacturing Inc.
- Description: Installation of digital fuel quantity indicators, fuel totalizer, and capacitive fuel compensator units.
- Status date: March 21, 2014
- Data sheets: 4A25, 4A25, 4A25, 4A25, 4A25, 4A25, 4A25, 4A25
- Certificate PDF: https://openairdocs.org/files/sha256/d5/d4/d5d4bc94de5934bd10dc6032cdf00f429c61f3d768b832d59ec543408979d89f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0596AB1084D0987B86257D88005E0C22.0001
- Page: https://openairdocs.org/stc/SA7729SW

## ADs that name it

None.

## Approved models (8)

- The Boeing Company DC-8-61 (TCDS 4A25)
- The Boeing Company DC-8-61F (TCDS 4A25)
- The Boeing Company DC-8-63 (TCDS 4A25)
- The Boeing Company DC-8-63F (TCDS 4A25)
- The Boeing Company DC-8-71 (TCDS 4A25)
- The Boeing Company DC-8-71F (TCDS 4A25)
- The Boeing Company DC-8-73 (TCDS 4A25)
- The Boeing Company DC-8-73F (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.

This certificate, issued to

Part 4b of the Civil Air Regulations.

Description of Type Design Change: Installation of digital fuel quantity indicators, fuel totalizer, and capacitive fuel compensator units in accordance with Smiths Industries Aerospace and Defense Systems, Inc. Drawing No. 0053-ED, "DC-8 FQIS Top Level Drawing", Rev. B, dated 10/27/89 and Document 0054-ED "Fuel Quantity Indicating System Installation Procedure for DC-8-61/71 and 63/73 Aircraft", Rev. B, dated 10/27/89, or later FAA approved revisions.

FAA approved Airplane Flight Manual Supplement dated February 22, 1990, or later FAA approved revision, is required to be carried in each modified airplane. Compatibility of this modification with previously installed equipment must be determined by the installer.

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.

Ontic Engineering and Manufacturing 20400 Plummer Street Chatsworth, CA 91311 4A25 Make : McDonnell Douglas Model : DC-8-61, 61F, 63, 63F, 71, 71F, 73, and 73F

Date of application: March 13, 1989

Date of issuance: February 22, 1990 Date reissued: February 03, 2012; March 21, 2014

Date amended: October 24, 1995

(Signature) Steven L. Lardinois Manager, Systems and Flight Test Branch Chicago Aircraft Certification Office

(Title)

## Every issue (2)

- March 21, 2014: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/d5/d4/d5d4bc94de5934bd10dc6032cdf00f429c61f3d768b832d59ec543408979d89f)
- February 3, 2012: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/68/db/68db64a46353b755dcdac2ee59646471bbc6a67dea5d286f9d16695008de9a26)

---
From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.