# STC SE01288WI

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Radial Engines Ltd, United States
- Description: Modification of Engines to replace carburetor with fuel injection. Data required: (1) Butterfly Aviation Master Drawing List Report BA1001-11, dated October 28, 2004, and (2) Butterfly Aviation Instructions for Continued Airworthiness Report BA1001-8, dated October 26, 2004, or later FAA Approved revisions to (1) or (2).
- Applied: May 6, 2003
- Status date: November 23, 2004
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E-237](https://openairdocs.org/tcds/E-237)
- Certificate PDF: https://openairdocs.org/files/sha256/29/72/297214632452e36c307787274332d7ac4c11f3ea7d5f9f674f936d5fe31c5e0b
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F3A366C08CEFE6B386256FE30074009E.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SE01288WI

## ADs that name it (0)

None.

## Approved models (4)

- Jacobs Service Company R-755A2 ([TCDS E-237](https://openairdocs.org/tcds/E-237))
- Jacobs Service Company R-755A2M ([TCDS E-237](https://openairdocs.org/tcds/E-237))
- Jacobs Service Company R-755B2 ([TCDS E-237](https://openairdocs.org/tcds/E-237))
- Jacobs Service Company R-755B2M ([TCDS E-237](https://openairdocs.org/tcds/E-237))

## 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.

This certificate issued to: Radial Engines, LTD 602 E. Renner Field Rd.

P. O. Box 736 Goodland, KS 67735

the Civil Aviation Regulations. (See E-237 Revision

11.)

Original Product - Type Certificate Number : E-237 Make: Jacobs Model: R-755A2, R-755A2M and R-755B2, R-755B2M Description of Type Design Change:

Modification of Engines to replace carburetor with fuel injection. Data required: (1) Butterfly Aviation Master Drawing List Report BA1001-11, Revision (IR), dated October 28, 2004; and (2) Butterfly Aviation Instructions for Continued Airworthiness Report BA1001-8, Revision (IR), dated October 26, 2004; or later FAA Approved revisions to (1) or (2).

Limited to Aviation Grade Gasoline Grade 80 or higher in accordance with ASTM Specification D 910 or equivalent. Automotive gasoline is not approved for engines modified to this design change. Compatibility of this design change with previously approved modifications must be determined by the installer. 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 6, 2003 Date of issuance : November 10, 2004 Date reissued : November 23, 2004

Original signed by Eual M. Conditt, Jr.

(Signature) Eual M. Conditt, Jr.

Associate ACO Manager, Airframe and Services Wichita Aircraft Certification Office (Title)

## Every issue (2)

- November 23, 2004: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/29/72/297214632452e36c307787274332d7ac4c11f3ea7d5f9f674f936d5fe31c5e0b)
- November 10, 2004: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/5e/2c/5e2c5cbd8023896e1c9c13b46842d2169b94f9affa6b5deb5be4df00bb6c5ae3)

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