# STC SA4227SW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Northrop Grumman Systems Corporation, United States
- Description: Installation of Litton LTN-211 VLF/Omega Long Range Navigation System
- Applied: May 8, 1980
- Status date: April 12, 2016
- Product: Aircraft, Small Airplane
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS A10SW](https://openairdocs.org/tcds/A10SW)
- Certificate PDF: https://openairdocs.org/files/sha256/38/00/38009caadf2ed1552bfeaa4ba5ec4c725540080fb376cf7cc1654f4afd326486
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/13AF0D022FE2644B86257FA2006B183C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4227SW

## ADs that name it (0)

None.

## Approved models (1)

- Mitsubishi Heavy Industries Ltd. MU-2B-40 ([TCDS A10SW](https://openairdocs.org/tcds/A10SW))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

United States Of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate The original certificate is reported as lost.

FAA Form 8110-2(10-68) Page 1 of 2 Number SA4227SW This Certificate issued to Northrop Grumman Systems Corporation 21240 Burbank Blvd.

Woodland Hills, CA 91367-6675

Part 3 of the Civil Air Regulations Original Product Type Certificate Number :

A10SW

Mitsubishi

MU-2B-40 Description of Type Design Change : Installation of Litton LTN-211 VLF/Omega Long Range Navigation System according to Master Drawing List AEC 100 -0, Revision C, dated 10/15/1980, or later FAA approved revision.

Limitations and Conditions : FAA Approved Airplane Flight Manual Supplement dated November 4, 1980 is required. Compatibility of this modification with other previously approved modifications must be determined by the installer. A copy of this certificate and Federal Aviation Administration Airplane Flight Manual Supplement must be maintained as part of the perm anent records for the modified 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: May 8, 1980

Date of issuance: November 4, 1980

Date reissued: February 9, 1981, April 12, 2016

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

NOTE:

**DO NOT DELETE THIS PAGE.**

**DO NOT ADD ANY DATA TO THIS PAGE.**

**THIS PAGE IS FOR PAGE NUMBERING PURPOSES, PLEASE DISCARD PRINTED COPY.**

## Every issue (1)

- April 12, 2016: Issued, Current. [certificate](https://openairdocs.org/files/sha256/38/00/38009caadf2ed1552bfeaa4ba5ec4c725540080fb376cf7cc1654f4afd326486)

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