# STC SA5009SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: E-Systems Inc, United States
- Description: Installation of secure communications enhancement(Quick Comm)
- Applied: September 11, 1985
- Status date: February 27, 1990
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 4A21](https://openairdocs.org/tcds/4A21)
- Certificate PDF: https://openairdocs.org/files/sha256/b8/14/b81441138211025de0518a9395a026cdee767df35ca9176d0a79d24c182b074a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8C975841ED1905C686257EC70072F056.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA5009SW-D

## ADs that name it (0)

None.

## Approved models (2)

- The Boeing Company 707-100B Long Body ([TCDS 4A21](https://openairdocs.org/tcds/4A21))
- The Boeing Company 707-100B Short Body ([TCDS 4A21](https://openairdocs.org/tcds/4A21))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

Hated States of A cric Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number 5A500954-D This certificate issued to: E-Systems Inc. and USAF Greenville Division okla. City P.O. Box 1056 Tinker AFB, Okla.

Greenville, Texas Certifies that the change in the type design for the following product with the limilations and conditions shorefor as specified horeon meets the airworthiness requiroments of Port 4b of the Civil A ix Regulations.

Original Product - Type Cortificate Number: 4A21 Make: Boeing Model: 707-1538 Description of Type Design Change: Installation of secure communications enhancements (Quick Comm) in accordance with E-Systems Sealed Drawing List SDL 7418-6, Rev. C dated 22 Feb 1990 or later DAS approved data.

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

2 Tiale ofissuanca: 1 Oct. 1985 Date Amended:

FEDERAL AVIATION Day datin federicon com D. T. Greene (Signalure) CHINI STRATO DAS Staff Coordinator, DAS4SW (Title) 47 PAX FooK 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 Z1P code) Exent of Authority (if licensing agreement) :

Signature of grantor (In ink) :

## Every issue (1)

- February 27, 1990: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/b8/14/b81441138211025de0518a9395a026cdee767df35ca9176d0a79d24c182b074a)

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