# STC SA4-410

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Bates Aviation Inc, United States
- Description: Installation Lycoming 150 hp engine O-320-A2A.
- Applied: January 23, 1958
- Status date: February 13, 1958
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-797](https://openairdocs.org/tcds/A-797)
- Certificate PDF: https://openairdocs.org/files/sha256/60/a4/60a46c55e9071d10f1d5de07aac453edfe3cb5b44384d96320009724acd3d62c
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/210F643FD1CD33F186257EF80066315E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4-410

## ADs that name it (0)

None.

## Approved models (1)

- The New Piper Aircraft Inc. PA-14 ([TCDS A-797](https://openairdocs.org/tcds/A-797))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

FORM ACA-2417 U.S. DEPARTMENT OF COMMERCE Supplemental Type Certificate

1. NAME AND ADDRESS OF APPLICANT Bates Aviation, Inc.

940 E. 120th St.

Hawthorne, Calif.

0.235 Form Approved, Budget Bureau No. 41-R1823 INSTRUCTIONS - Submit in triplicate to local CAA Aviation Safety Agent. Copy will be returned to applicant upon issuance.

Supplemental Type Certificate APPLIED FOR:

**AIRCRAFT ENGINE PROPELLER**

ORIGINAL MODEL DESIGNATION PA-14 NEW MODEL DESIGNATION (If desired)

3. DESCRIPTION OF CHANGE Report No. 4 and No. 1 as per

• Lyc. 0-320-A2A (150 HP) Engine installation / Mount report, Pictures of installation and Installation procedures.included ir Bates Aviation Roports No. 1 and 4.

Bates Aviation CAL Approved Airplane Flight Manual Supplement dated 2-13-58 required HERO ASPHEMuTY. This approval should not be extended to other specific airplanes of these models on which other previously approved modifications are incorporated unless it is determined that the interrelationship between thie change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that airplane.

". WILL DATA BE AVAILABLE FOR SALE OR RELEASE TO OTHER PERSONS? X YES NO * WILL PARTS BE MANUFACTURED FOR SALE (Ref. CAR 1.55)? _ YES A NO

**5. SIGNATURE AND TITLE OF APPLICANT**

- J, Bates,

SIGNATURE 1/23/58 General Manager Date of Application: TITLE

**6. TO BE COMPLETED BY CAA**

NATURE AND LOCATION OF DATA Bater le inton Being lot in the region Ty at Atron Be ort Ho is on file in the Certification Basis: CAR 3 ORIGINAL TYPE CERTIFICATE NO. CAA APPROVAL 797 SUPPLEMENTAL TYPE CERTIFICATE NO. A. Klikoff SAL 10 SIGNATURE . TE OF APPROVAL February 13, 1958 Chief, Aircraft Engineering Division TITLE COMM- DC 32484 FORM ACA-2417 (7-56)

## Every issue (1)

- February 13, 1958: Issued, Current. [certificate](https://openairdocs.org/files/sha256/60/a4/60a46c55e9071d10f1d5de07aac453edfe3cb5b44384d96320009724acd3d62c)

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