# STC SA5018SW-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: E-Systems Inc, United States
- Description: Installation of galley vent valve inhibit circuit
- Applied: November 13, 1984
- Status date: November 28, 1984
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 4A26](https://openairdocs.org/tcds/4A26)
- Certificate PDF: https://openairdocs.org/files/sha256/34/87/34871b11ed247eb81c5650af2d18dc48a3dea7046bca1cebd26e7e2bbf5fd545
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5FE2C2B8A817D24B85256CC200122607.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA5018SW-D

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 707-300B Series ([TCDS 4A26](https://openairdocs.org/tcds/4A26))

## 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 Number SA5018SW-D This certificate issued to: E-Systems inc. and USAF Greenville Div. Oklahoma City P.O. Box 1056 Greenville, Texas 75401 Tinker AFB, Oklahoma Part 4b of the CiviI Air Regulations.

Original Product -TypeCertificate Numben: 4726 Маке: Boeing Model: 707-353B Description of Type Design Change: Installation of Galley Vent Valve Inhibit Circuit in Aircraft 62-6000 and 72-7000 according to SDL 7418-1 dated 28 November 1984 or later DAS approved data.

Limitations and Conditions: Compatibility of this modification with other previously approved modifications must be determined by the installer.

Date of Application: 13 NOV 84 Date Reissued:

Date of Issuance: 28 Nov 84 Date Amended:

FEDERAL AVIATION D. I. Greene Jr. (Signature) UMINISTRATO DAS Staff Coordinator, DASASW (Title)

47.

**FAA FORM 81 10-2 (10-68)**

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and Z1P code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, State, and ZIP code) Exent of Authority (if licensing agreement) :

Signature of grantor (In ink) :

## Every issue (1)

- November 28, 1984: Issued, Current. [certificate](https://openairdocs.org/files/sha256/34/87/34871b11ed247eb81c5650af2d18dc48a3dea7046bca1cebd26e7e2bbf5fd545)

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