STC SA4-78

Supplemental type certificate · John P. Warren

Holder
John P. Warren · United States
Status
Current · Reissued
Status date
March 18, 2019
Applied
February 15, 1956
Product
Aircraft · Single-Engine
Certification basis
Part 3, Part 21
Data sheet
TCDSA-797

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

What it approves

Installation of a Lycoming O-320 engine and Sensenich M74DM59 propeller. Installation of Piper PA-18A-150 engine cooling baffles, modified to fit cowling. Installation of oil cooler (Harrison AP13SJ03-01) in accordance with Piper Drawing 14368. Installation of pressure type gas tank caps.

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.

Part 3of the Civil Air Regulations.

Installation of a Lycoming O-320 engine and Sensenich M74DM59 propeller. In stallation of Piper PA- 18A-150 engine cooling baffles, modified to fit cowling. Installation of oil cooler (Harrison AP1 3SJ03-0 1) in accordance with Piper Drawing 14368. Insta llation of pressure type gas tank caps. Installations in accordance with McKenzie Aircraft Repair Parts List and Installation instructions dated February 15 , 1956, and Drawing 200-00, Sheets 1 , 2, and 3, or later FAA approved revisions.

Limitations and Conditions: Approval of this change in type design applies to the above model aircraft only. This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the relationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft.

A copy of this Certificate and FAA Approved Flight Manual Supplement dated March 15, 1956, or later FAA approved revision, must be maintained as part of the permanent records for the modified 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.

John P. Warren 1600 Ormond Road White Lake, MI 48383 797 Make: Piper Model: PA-14

Date of application: February 15, 1956

Date of issuance: January 18, 1957 Date reissued: 3/27/68; 9/27/89; 4/8/91; 4/ 4/96; 3/1/02;

11/19/12; 3/18/19

Date amended: 10 / 15/62; 3/ 1 / 02

By direction of the Administrator Original Signed By:

Monica L. Nemecek

(Signature)

Monica L. Nemecek, Manager Airframe & Administrative Services Section Chicago ACO Branch

(Title)

Transfer the ownership of Supplemental Type Certificate Number

to (Name of transferee)

(Address of transferee)

(Number and street)

(City, State, and Zip code)

from (Name of grantor) (Print or type)

(Address of grantor)

(Number and street)

(City, State, and Zip code)

Signature of grantor (In ink):

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 · 1

MakeModelData sheet
FS 2002 Corp.PA-14A-797

Every issue · 3

DRS keeps each issue of an STC as its own record, with its own certificate and attachments.

DateStatusFiles
March 18, 2019Reissued, currentCertificate
November 19, 2012Reissued, earlier issueCertificate
March 1, 2002Reissued, earlier issueCertificate