# STC SE02712SE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Henry F. Rogers, United States
- Description: Installation of the Oil Scavenging Pump System for Jacobs L-4 and R-755
- Applied: July 19, 2019
- Status date: March 12, 2021
- Product: Engine
- Certification basis: Part 13, Part 21, Part 23
- Data sheets: [TCDS A-743](https://openairdocs.org/tcds/A-743), [TCDS A-790](https://openairdocs.org/tcds/A-790), [TCDS A-533](https://openairdocs.org/tcds/A-533), TCDS 542, TCDS 569, TCDS 586, TCDS 598, TCDS 626
- Certificate PDF: https://openairdocs.org/files/sha256/34/9d/349dc82860d54945b5a5243340c0ee644300180d45ad622136f28ac920b87586
- Approved model list and other attachments: [AML_SE02712SE.pdf](https://openairdocs.org/files/sha256/19/0e/190eb213e1a580e1d82d99e493e7be33b44393527a60d3fab042bc73d0421b51)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2352A0F9FCD59450862586C000524977.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SE02712SE

## ADs that name it (0)

None.

## Approved models (14)

- Boeing Airplane Company Wichita Division A75J1 (Army PT-18) ([TCDS A-743](https://openairdocs.org/tcds/A-743))
- Textron Aviation Inc. 195 ([TCDS A-790](https://openairdocs.org/tcds/A-790))
- Textron Aviation Inc. 195A ([TCDS A-790](https://openairdocs.org/tcds/A-790))
- Textron Aviation Inc. 195B ([TCDS A-790](https://openairdocs.org/tcds/A-790))
- The Waco Aircraft Company YKC ([TCDS A-533](https://openairdocs.org/tcds/A-533))
- The Waco Aircraft Company YKC-S ([TCDS A-533](https://openairdocs.org/tcds/A-533))
- The Waco Aircraft Company YKS-6 ([TCDS A-533](https://openairdocs.org/tcds/A-533))
- The Waco Aircraft Company ATC YMF (TCDS 542)
- The Waco Aircraft Company ATC YOC (TCDS 569)
- The Waco Aircraft Company ATC YPF (TCDS 586)
- The Waco Aircraft Company ATC YPF-6 (TCDS 586)
- The Waco Aircraft Company ATC YPF-7 (TCDS 586)
- The Waco Aircraft Company TC YKS-7 (Army UC-72K) (TCDS 626)
- The Waco Aircraft Company TC YQC-6 (TCDS 598)

## 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.

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 1 of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number:

See Continuation sheet on page 3 of 3 SE02712SE Henry F. Rogers 20340 Christie Place Burlington, WA 98233-4731 Part 23 the Civil Air Regulations (CAR) * * *See attached Federal Aviation Administration (FAA) Approved Model List (AML) SE02712SE for approved engines and aircraft models, and applicable airworthiness regulations.

Installation of the Oil Scavenging Pump System for Jacobs L-4 and R-755 series radial piston engines on the aircraft types listed in the Approved Model List (AML) Document, installed in accordance with the Installation Instructions document IN-J1 as identified in the AML Document.

Please note that there are no associated changes to the Airplane Flight Manual(s).

The installed Oil Scavenging Pump System must be maintained in accordance with the Instructions for Continued Airworthiness (ICA) document ICA-J1 listed in the AML document.

July 19, 2019 March 12, 2021 3

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 2 of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number:

SE02712SE 3

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page ___ of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number:

SE02712SE Approval of this change in type design applies to the engine/aircraft combinations listed on AML SE02712SE only. This approval should not be extended to other aircraft of these models on which other previously approved modifications are incorporated unless it is determined by the installer that the relationship between this change and other previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this certificate, AML SE02712SE and the associated documents identified above, 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.

### AML_SE02712SE.pdf

FEDERAL AVIATION ADMINISTRATION (FAA) APPROVED MODEL LIST (AML) SE02712SE FOR STC “Oil Scavenging Pump System for Jacobs L-4 and R-755 series Radial Piston Engines” ISSUE DATE: March 12, 2021

Page 1 of 4

**ITEM ENGINE**

**MAKE AND MODEL ENGINE TC**

**AIRCRAFT MAKE**

**AIRCRAFT MODEL**

**ORIGINAL**

**AIRCRAFT TC NUMBER**

**CERTIFICATION**

**BASIS FOR**

**ALTERATION**

FAA APPROVED Installation Instructions and Instructions for Continued Airworthiness (ICA), respectively

**FAA APPROVED**

MASTER DRAWING LIST AML REV DATE Number Revision* Drawing Revision*

1. Jacobs Aircraft Engine Co.

R-755-7

TC No.

5E11 Boeing Stearman A75J1 (Army PT-18) Aircraft Specificatio n A-743 Engine: CAR 13 Up to Amendment 13-1

Aircraft: CAR 3 as amended on November 1, 1949.

IN-J1

ICA-J1 Revision IR, 1/22/2021

Rev. IR, 1/22/2021

DL-J1 Revision IR, 8/20/2020 3/12/21

2. Jacobs Aircraft Engine Co.

R-755-A2

TC E-237 Textron Aviation Inc.

(formerly Cessna) 195 (LC-126A, B and C) Aircraft Specificatio n A-790 Engine: CAR 13 Up to Amendment 13-1

Aircraft: CAR 3 as amended on November 1, 1949.

IN-J1

ICA-J1 Revision IR, 1/22/2021

Revision IR, 1/22/2021

DL-J1 Revision IR, 8/20/2020 3/12/21

3. Jacobs Aircraft Engine Co.

L-4MB TC No.

121 Textron Aviation Inc.

(formerly Cessna) 195 optional Aircraft Specificatio n A-790 Engine: CAR 13 Up to Amendment 13-1

Aircraft: CAR 3 as amended on November 1, 1949.

IN-J1

ICA-J1 Revision IR, 1/22/2021

Revision IR, 1/22/2021

DL-J1 Revision IR, 8/20/2020 3/12/21

4. Jacobs Aircraft Engine Co.

L-4MB, R-755-9 TC No.

121 Textron Aviation Inc.

(formerly Cessna) 195A Aircraft Specificatio n A-790 Engine: CAR 13 Up to Amendment 13-1

Aircraft: CAR 3 as amended on November 1, 1949.

IN-J1

ICA-J1 Revision IR, 1/22/2021

Rev. IR, 1/22/2021

DL-J1 Revision IR, 8/20/2020 3/12/21

FEDERAL AVIATION ADMINISTRATION (FAA) APPROVED MODEL LIST (AML) SE02712SE FOR STC “Oil Scavenging Pump System for Jacobs L-4 and R-755 series Radial Piston Engines” ISSUE DATE: March 12, 2021

Page 2 of 4

**ITEM ENGINE**

**MAKE AND MODEL ENGINE TC**

**AIRCRAFT MAKE**

**AIRCRAFT MODEL**

**ORIGINAL**

**AIRCRAFT TC NUMBER**

**CERTIFICATION**

**BASIS FOR**

**ALTERATION**

FAA APPROVED Installation Instructions and Instructions for Continued Airworthiness (ICA), respectively

**FAA APPROVED**

MASTER DRAWING LIST AML REV DATE Number Revision* Drawing Revision*

5. Jacobs Aircraft Engine Co.

R-755-B2 TC No.

E-237 Textron Aviation Inc.

(formerly Cessna) 195B Aircraft Specificatio n A-790 Engine: CAR 13 Up to Amendment 13-1

Aircraft: CAR 3 as amended on November 1, 1949.

IN-J1

ICA-J1 Revision IR, 1/22/2021

Revision IR, 1/22/2021

DL-J1 Revision IR, 8/20/2020 3/12/21

6. Jacobs Aircraft Engine Co.

L-4 TC No.

121 Waco Aircraft Co.

YKC, YKC-S, and YKS-6 Aircraft Specificatio n A-533 Engine: CAR 13 Up to Amendment 13-1

Aircraft: CAR 3 as amended on November 1, 1949.

IN-J1

ICA-J1 Revision IR, 1/22/2021

Revision IR, 1/22/2021

DL-J1 Revision IR, 8/20/2020 3/12/21

7. Jacobs Aircraft Engine Co.

L-4 TC No.

121 The Waco Aircraft Co.

YMF

(Original Version) ATC 542

Section I Engine: CAR 13 Up to Amendment 13-1

Aircraft: CAR 3 as amended on November 1, 1949.

IN-J1

ICA-J1 Revision IR, 1/22/2021

Revision IR, 1/22/2021

DL-J1 Revision IR, 8/20/2020 3/12/21

8. Jacobs Aircraft Engine Co.

R-755-B2M or –B2 TC No.

E-237 The Waco Aircraft Co.

YMF

(Modernized Versions) ATC 542

Section II, III Engine: CAR 13 Up to Amendment 13-1

Aircraft: CAR 3 as amended on November 1, 1949.

IN-J1

ICA-J1 Revision IR, 1/22/2021

Revision IR, 1/22/2021 DL-J1 Revision IR, 8/20/2020 3/12/21

FEDERAL AVIATION ADMINISTRATION (FAA) APPROVED MODEL LIST (AML) SE02712SE FOR STC “Oil Scavenging Pump System for Jacobs L-4 and R-755 series Radial Piston Engines” ISSUE DATE: March 12, 2021

Page 3 of 4

**ITEM ENGINE**

**MAKE AND MODEL ENGINE TC**

**AIRCRAFT MAKE**

**AIRCRAFT MODEL**

**ORIGINAL**

**AIRCRAFT TC NUMBER**

**CERTIFICATION**

**BASIS FOR**

**ALTERATION**

FAA APPROVED Installation Instructions and Instructions for Continued Airworthiness (ICA), respectively

**FAA APPROVED**

MASTER DRAWING LIST AML REV DATE Number Revision* Drawing Revision*

9. Jacobs Aircraft Engine Co.

R-755-B2M or –B2;

R-755-A2M or –A2 TC No.

E-237 The Waco Aircraft Co.

YMF

(Modernized Versions) ATC 542

Section IV Section V Engine: CAR 13 Up to Amendment 13-1

Aircraft: CAR 3 as amended on November 1, 1949.

IN-J1

ICA-J1 Revision IR, 1/22/2021

Revision IR, 1/22/2021

DL-J1 Revision IR, 8/20/2020 3/12/21

10. Jacobs Aircraft Engine Co.

L-4, L-4M, L-4MB TC No.

121 Waco Aircraft Co.

YOC ATC 569 Engine: CAR 13 Up to Amendment 13-1

Aircraft: CAR 3 as amended on November 1, 1949.

IN-J1

ICA-J1 Revision IR, 1/22/2021

Revision IR, 1/22/2021

DL-J1 Revision IR, 8/20/2020 3/12/21

11. Jacobs Aircraft Engine Co.

L-4, L-4M, L-4MB TC No.

121 Waco Aircraft Co.

YPF, YPF-6, YPF-7 ATC 586 Engine: CAR 13 Up to Amendment 13-1

Aircraft: CAR 3 as amended on November 1, 1949.

IN-J1

ICA-J1 Revision IR, 1/22/2021

Revision IR, 1/22/2021

DL-J1 Revision IR 8/20/2020 3/12/21

12. Jacobs Aircraft Engine Co.

L-4, L-4M, L-4MB TC No.

121 Waco Aircraft Co.

YQC-6 TC No. 598 Engine: CAR 13 Up to Amendment 13-1

Aircraft: CAR 3 as amended on November 1, 1949.

IN-J1

ICA-J1 Revision IR, 1/22/2021

Revision IR, 1/22/2021

DL-J1 Revision IR 8/20/2020 3/12/21

FEDERAL AVIATION ADMINISTRATION (FAA) APPROVED MODEL LIST (AML) SE02712SE FOR STC “Oil Scavenging Pump System for Jacobs L-4 and R-755 series Radial Piston Engines” ISSUE DATE: March 12, 2021

Page 4 of 4

**ITEM ENGINE**

**MAKE AND MODEL ENGINE TC**

**AIRCRAFT MAKE**

**AIRCRAFT MODEL**

**ORIGINAL**

**AIRCRAFT TC NUMBER**

**CERTIFICATION**

**BASIS FOR**

**ALTERATION**

FAA APPROVED Installation Instructions and Instructions for Continued Airworthiness (ICA), respectively

**FAA APPROVED**

MASTER DRAWING LIST AML REV DATE Number Revision* Drawing Revision*

13. Jacobs Aircraft Engine Co.

L-4

TC No.

121 Waco Aircraft Co.

YKS-7 (Army UC-72K) TC No.

626 Engine: CAR 13 Up to Amendment 13-1

Aircraft: CAR 3 as amended on November 1, 1949.

IN-J1

**ICA-J1**

Revision IR, 1/22/2021

Revision IR, 1/22/2021 DL-J1 Revision IR, 8/20/2020 3/12/21 * Or later FAA Approved Revision

FAA Approved:

For Acting Manager, Seattle ACO Branch AMENDED: N/A REISSUED: N/A

## Every issue (1)

- March 12, 2021: Issued, Current. [certificate](https://openairdocs.org/files/sha256/34/9d/349dc82860d54945b5a5243340c0ee644300180d45ad622136f28ac920b87586), [AML_SE02712SE.pdf](https://openairdocs.org/files/sha256/19/0e/190eb213e1a580e1d82d99e493e7be33b44393527a60d3fab042bc73d0421b51)

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