# STC SA3254WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: United Aeronautical Corporation, United States
- Description: Nose wheel installation.
- Applied: May 28, 1976
- Status date: April 15, 2015
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A-762](https://openairdocs.org/tcds/A-762)
- Certificate PDF: https://openairdocs.org/files/sha256/8e/d1/8ed12767fce9e5c2b625ba98eabc079c9abd55654aa2cba2b86818407df7d732
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/134F13A5C33B8D7A86257E2A005B89C2.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3254WE

## ADs that name it (0)

None.

## Approved models (7)

- The Boeing Company C54-DC ([TCDS A-762](https://openairdocs.org/tcds/A-762))
- The Boeing Company C54A-DC ([TCDS A-762](https://openairdocs.org/tcds/A-762))
- The Boeing Company C54B-DC ([TCDS A-762](https://openairdocs.org/tcds/A-762))
- The Boeing Company C54D-DC ([TCDS A-762](https://openairdocs.org/tcds/A-762))
- The Boeing Company C54E-DC ([TCDS A-762](https://openairdocs.org/tcds/A-762))
- The Boeing Company C54G-DC ([TCDS A-762](https://openairdocs.org/tcds/A-762))
- The Boeing Company DC-4 ([TCDS A-762](https://openairdocs.org/tcds/A-762))

## 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 This certificate has been reissued to replace the original certificate reported as lost.

This Certificate issued to United Aeronautical Corporation 7360 Laurel Canyon Blvd.

North Hollywood, California 91605 Part 4a of the Civil Air Regulations.

Dated November 1, 1943 and Part 4b of the Civil Air Regulations dated November 9, 1945.

A-762 The Boeing Company C54-DC, C54A-DC, C54B-DC, C54D-DC, C54E-DC, C54G-DC, and DC-4 Description of Type Design Change : Nose wheel installation as per sealed Aero Union Corporation Drawing No. 4-7036, New, dated June 1976 or later sealed revision.

Limitations and Conditions: This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationship between this change any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that 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 28, 1976

Date of issuance : August 24, 1976

Date reissued : April 15, 2015

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

## Every issue (1)

- April 15, 2015: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/8e/d1/8ed12767fce9e5c2b625ba98eabc079c9abd55654aa2cba2b86818407df7d732)

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