STC SA451SW

Supplemental type certificate · Howard Research & Development Co.

Holder
Howard Research & Development Co. · United States
Status
Current · Issued
Status date
December 1, 1964
Applied
November 27, 1964
Product
Aircraft · Large Airplane
Certification basis
Part 21

From FAA DRS, with our copy of the certificate PDF. DRS record last changed December 6, 2025.

What it approves

Installation of exhaust system

What the certificate says

From the PDF’s text layer, without the form’s printed wording. Layout and order may differ; the PDF is the record.

1 FEDERAL AVIATION AGENCY

1. NAME AND ADDRESS OF APPLICANT Howard Research 6 Developaent Co.

306 Kraacrla Drive Saa Antonio, Texas 78213

3. DESCRIPTION OF CHANGE FORM APPROVED, BUDGET BUREAU NO. 04-R015

INSTRUCTIONS - SUBMIT IN TRI PLICATE TO LOCAL FAA FLIGHT STANDARDS INSPECTOR.

COPY WILL BE RETURNED TO APPLICANT UPON

ISSUANCE

2. SUPPLEMENTAL TYPE CERTIFICATE APPLIED FOR:

IX 1 AIRCRAFT 1 1 ENGINE 1 1 PROPELLER

ORIGINAL MODEL DESIGNATION NEW MODEL DESIGNATION (If deiired) Installation of exhaust system in accordance with Howard Research & Developaent Co. drawings 02-1164D23-13 Revision A dated 12*2-64, and 02-1164D24-14 Revision A dated 12*2*64.

WILL DATA BE AVAILABLE FOR SALE OR RELEASE TO

b. WILL PARTS BE MANUFACTURED FOR SALE (Ret. CAR

5. SIGNATURE AND TITLE OF APPLICANT Hovenfcer 27, 1964

DATE OF APPLICATION OTHER PERSONS? L _ 1 YES [jfl NO

1.55)1 SI YES t~~1 NO

SIGNATURE TITLE

6. To be Completed by FAA

NATURE AND LOCATION OF DATA Data listed on FAA- 1257 dated 12-4*64 on file at SW-210.

Reference Project T643SWS Applicable regulations seas as original certification.

ORIGINAL TYPE CERTIFICATE NO. FAA APf LIC 13. A1SW SUPPLEMENTAL TYPE CERTIFICATE NO.

SA451fflf DATE OF APPROVAL J^ ^ 12*1*64 -Chi*.

DROVAL /r^&.'^t^S^JrJ ^SIGNATURE . Slaughter " TITLE * U.S. GOVERNMENT PRINTING OFFICE : 1959 O—50>«57 FORM FA A-2417 (5-59)

ADs that name this STC · 0

An AD can apply because an STC is installed, or mention one in its text.

No AD in this release names this STC

Approved models · 2

MakeModelData sheet
Air Trading CorporationNavy PV-1LTC AL-13
The Dee Howard Company500A1SW