STC SA3769NM

Supplemental type certificate · Northrop Grumman Systems Corporation

Holder
Northrop Grumman Systems Corporation · United States
Status
Current · Reissued
Status date
February 22, 2016
Applied
September 25, 1987
Product
Aircraft · Large Airplane
Certification basis
Part 21
Data sheet
TCDSA3WE

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

What it approves

Installation of a single Litton LTN-311 Omega/VLF Navigation System

What the certificate says

From the PDF’s text layer, without the form’s printed wording. Layout and order may differ; the PDF is the record.

United States Of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate This certificate has been reissued to replace the original certificate reported as lost.

Number SA3769NM

This Certificate issued to

Part 4b of the Civil Air Regulations Regulations. (See T.C. Data Sheet A2WE)

Description of Type Design Change: Installation of a single Litton LTN-311 Omega/VLF Navigation System in accordance with Litton with FAA sealed Litton Systems, Inc. Top Drawing No. 454011-11, Revision “B”, dated June 6, 1988, or later FAA sealed revision of this drawing.

Litton Systems, Inc. Airplane Flight Manual Supplement, Document No. 464570, Revision N/C, FAA approved on August 10, 1988, or later FAA approved revision is required as part of this installation.

Limitations and Conditions: The approval of this change in type design applies basically to the above noted airplane model series only. This installation should not be incorporated in any aircraft unless it is determined that the interrelationship between this change and any previously approved configuration will not introduce any adverse effect upon the airworthiness of the aircraft. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Northrop Grumman Systems Corporation 21240 Burbank Blvd.

Woodland Hills, CA 91367-6675 A3WE

The Boeing Company

727-2J0 Original Product Type Certificate Number :

Date of application : September 25, 1987

Date of issuance : August 22, 1988

Date reissued : March 30, 2015, February 22, 2016

(Signature) Supervisor, Technical & Administrative Support Staff, Los Angeles Aircraft Certification Office

(Title)

ADs that name this STC · 0

An AD can apply because an STC is installed, or mention one in its text.

No AD in this release names this STC

Approved models · 1

MakeModelData sheet
The Boeing Company727-200 SeriesA3WE

Every issue · 2

DRS keeps each issue of an STC as its own record, with its own certificate and attachments.

DateStatusFiles
February 22, 2016Reissued, currentCertificate
March 30, 2015Reissued, earlier issueCertificate