# STC SA3946NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Ancra International LLC, United States
- Description: Installation of cargo pallet restraint.
- Applied: November 10, 1987
- Status date: March 29, 2012
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE)
- Certificate PDF: https://openairdocs.org/files/sha256/c9/fa/c9fa10fc0c630e663852d4324d3e3a9e6199e4ea00d9e14686d41b33d38d170d
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/089C56C2579CD257862579E50076E81D.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3946NM

## ADs that name it (0)

None.

## Approved models (6)

- The Boeing Company 747-100 Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-200B Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-200C Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-200F Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-300 Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-400 Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))

## 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 SA3946NM

This Certificate issued to

Part 25 of the Federal Aviation Regulations.

Description of Type Design Change: Installation of Cargo Pallet Restraint P/N 80403-10/-11 in accordance with FAA approved Controlled Drawing List DL 80403, Revision “D”, dated November 30, 1994, or later FAA approved revision.

Limitations and Conditions: The installation should not be incorporated in any aircraft unless it is determined that the interrelationship between this installation 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.

Ancra International LLC 875 W. 8th Street Azusa, California 91702 A20WE

Boeing

747-100, -200, -300, -400 Original Product Type Certificate Number :

Date of application : November 10, 1987

Date of issuance : September 16, 1988

Date reissued : January 30, 1992; October 8, 1996; March 29, 2012

Date amended : February 28, 1995

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

( Title)

Number (STC No.)

## Every issue (1)

- March 29, 2012: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/c9/fa/c9fa10fc0c630e663852d4324d3e3a9e6199e4ea00d9e14686d41b33d38d170d)

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