# STC SA3465NM

- Type: Supplemental type certificate
- Status: Historical, Surrendered
- Holder: Hollingsead International Inc, United States
- Description: Installation of a dual Litton LTN-211 Omega/VLF navigation system.
- Applied: March 13, 1987
- Status date: March 19, 2009
- Product: Aircraft, Large Airplane
- Certification basis: Part 25
- Data sheets: [TCDS 4A26](https://openairdocs.org/tcds/4A26)
- Certificate PDF: https://openairdocs.org/files/sha256/12/42/1242024afa98ac6a569a9be4d84cbf15edd395e0ed959a8932aeedfcf46b1764
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/58E5A70DA9C02984862570D1006AE6B9.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3465NM

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 707-300 ([TCDS 4A26](https://openairdocs.org/tcds/4A26))

## 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.

Number SA3465NM

This Certificate issued to Hollingsead International 7416 Hollister Avenue Goleta, CA 93117

Part 4b* of the Civil Air Regulations.

*(For certification basis see Type Certificate Data Sheet 4A26.)

Original Product Type Certificate Number 4A26 Make : Boeing Model : 707-300 Description of Type Design Change: Installation of a Dual Litton LTN-211 Omega/VLF Navigation System in accordance with FAA approved Tracor Aviation Drawing List DL-347-001, Revision "D", dated June 12, 1287, or later FAA approved revision.

Tracor Aviation FAA approved Airplane Flight Manual Supplement No. TA-AV-0001, dated June 12, 1987, or later FAA approved revision is required with this installation.

Limitations and Conditions: 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.

This certificate and the supporting data, which is the basis for approval, shall remain in effect until surrendered, suspended, revoked or a termination date is otherwise established by the Administrator of the Federal Aviation Administration.

Date of application : March 13, 1987

Date of issuance : June 25, 1987

Date reissued: August 12, 1991; July 11, 1995;

March 15, 1996; April 1, 1998; August 1, 2005

(Signature)

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

## Every issue (1)

- March 19, 2009: Surrendered, Historical. [certificate](https://openairdocs.org/files/sha256/12/42/1242024afa98ac6a569a9be4d84cbf15edd395e0ed959a8932aeedfcf46b1764)

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