STC SA4782NM

Supplemental type certificate · Shannon Engineering

Holder
Shannon Engineering · United States
Status
Current · Issued
Status date
November 2, 1989
Applied
January 6, 1989
Product
Aircraft · Large Multi-Engine
Certification basis
Part 21
Data sheet
TCDS4A26

From FAA DRS, with our copy of the certificate PDF. DRS record last changed December 6, 2025.

What it approves

Installation of engine hush kits. (707-300B ADVANCED)

What the certificate saysOCR

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: SA9782NM This certificate issued to: Shannon Engineering, Inc.

Certifies that the change in the type design for the following product with the limitations and conditions therefor as specified hereon meets the airvorthiness reguirements of Part 4b of the CiVil Air Regulations.

Original Product -Type bertificate Numben: 4A26 Make: Boeing Model:

707-300B (ADVANCED), 707-300C Description of Type Design Change: Installation of engine hush kits in accordance with STC Number: SA2699NM amended September 19, 1985, on Boeing Model 707-300B (ADVANCED) and 707-300C series airplanes that are certified to hold Appendix 1, ¿Operation with Spare Engine Pod Installed", of Boeing Airplane Flight Manuals D6-1587 or D6-1588.

Limitations and Conditions: The airplane must be operated in accordance with Shannon FAA Approved Airplane Flight Manual Supplement number JS1399 for Boeing Model 707-300B (ADVANCED) and OS1400 for Boeing Model 707-300C series airplanes. This approval should not be extended to other aircraft of these models that incorporate any other previously approved modification unless it is determined that the interrelationship between this change and any of those other modification will (See Continuation Sheet) r sf the Federal Aviation Administration .

Date of Application: January 6, 1989 Jate missued:

Date of Issuance: NOV 2 000 Sale umended:

FEDERAL AVIATION By Direction of the Administrator Stewast Killer /(Signature ) TA MINISTRATO Assistant Manager, Seattle Aircraft Certification Ottice (Title) 47 FAA FORM 8110-2 (10-68)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number SAA7820M introduce no adverse effect upon the airworthiness of these aircraft. A copy of this SIC, and the applicable FAA-Approved Shannon Engineering Airplane Flight Manual Supplement must be included in the permanent records for the modified aircraft.

- END-

47.

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Approved models · 2

MakeModelData sheet
The Boeing Company707-300B Series4A26
The Boeing Company707-300C Series4A26