What it approves
Replacement of three (3) Inertial Navigation Units (INUs) P/N 463001-6110-0412 (software P/N 92-04-12)
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.
This Certificate issued to Northrop Grumman Systems Corporation 21240 Burbank Blvd.
Woodland Hills, CA 91367-6675 Part 25* of the Federal Aviation Regulations.
(For Certification Basis see T. C. Data Sheet No. A22WE.)
A22WE
The Boeing Company
747-300 Series Description of Type Design Change: Replacement of three (3) Inertial Navigation Units (INUs) P/N 463001- 6110-0412 (software P/N 92-04-12) in accordance with FAA approved Litton Top Installation Drawing 454065-08, Revision N/C, dated June 9, 1994, or later FAA approved revision of this drawing.
Litton Airplane Flight Manual Supplement, Document No. 464089, Revision N/C, FAA approved on August 8, 1994, or later FAA approved revision, is required as part of this modification.
Limitations and Conditions: This approval should not be extended to other aircraft of this model on which other approved previously approved modifications are incorporated unless it is found by the installer that the interrelationship between this change and any of those previously approved modifications will introduce no 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.
Date of application : June 9, 1994
Date of issuance : August 23, 1994
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.
Approved models · 1
| Make | Model | Data sheet |
|---|---|---|
| The Boeing Company | 747-300 Series | A20WE |
Every issue · 3
DRS keeps each issue of an STC as its own record, with its own certificate and attachments.
| Date | Status | Files |
|---|---|---|
| February 22, 2016 | Reissued, current | Certificate |
| March 30, 2015 | Reissued, earlier issue | Certificate |
| March 8, 1995 | Amended, earlier issue | Certificate |