# STC SE09637SC - Type: Supplemental type certificate - Status: Current, Amended - Holder: General Aviation Modifications Inc., United States - Description: Remove existing rocker arm assemblies and install modify rocker arm assemblies. - Applied: November 22, 1999 - Status date: March 6, 2019 - Product: Engine - Certification basis: Part 21 - Data sheets: [TCDS E8CE](https://openairdocs.org/tcds/E8CE), [TCDS E-273](https://openairdocs.org/tcds/E-273), [TCDS 3E1](https://openairdocs.org/tcds/3E1), [TCDS E5CE](https://openairdocs.org/tcds/E5CE), [TCDS E3SO](https://openairdocs.org/tcds/E3SO), [TCDS 3E3](https://openairdocs.org/tcds/3E3) - Certificate PDF: https://openairdocs.org/files/sha256/ca/42/ca422f647aeca93e51a62bcf69bf3289004a182ecdc512f4bca42e1009a45edd - Approved model list and other attachments: [SE09637SC_AML.pdf](https://openairdocs.org/files/sha256/02/5c/025c98d9b8bd0190a87bda4256d1fcfcf70163797625aa8a0bf2841b91da1f8c) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6F8E93C5850BDF218625857B003366AB.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SE09637SC ## ADs that name it (0) None. ## Approved models (91, first 50) - Continental Motors IO-470-A ([TCDS E-273](https://openairdocs.org/tcds/E-273)) - Continental Motors IO-470-C ([TCDS E-273](https://openairdocs.org/tcds/E-273)) - Continental Motors IO-470-D ([TCDS 3E1](https://openairdocs.org/tcds/3E1)) - Continental Motors IO-470-E ([TCDS 3E1](https://openairdocs.org/tcds/3E1)) - Continental Motors IO-470-F ([TCDS 3E1](https://openairdocs.org/tcds/3E1)) - Continental Motors IO-470-G ([TCDS 3E1](https://openairdocs.org/tcds/3E1)) - Continental Motors IO-470-H ([TCDS 3E1](https://openairdocs.org/tcds/3E1)) - Continental Motors IO-470-L ([TCDS 3E1](https://openairdocs.org/tcds/3E1)) - Continental Motors IO-470-LO ([TCDS 3E1](https://openairdocs.org/tcds/3E1)) - Continental Motors IO-470-M ([TCDS 3E1](https://openairdocs.org/tcds/3E1)) - Continental Motors IO-470-N ([TCDS 3E1](https://openairdocs.org/tcds/3E1)) - Continental Motors IO-470-P ([TCDS 3E1](https://openairdocs.org/tcds/3E1)) - Continental Motors IO-470-R ([TCDS 3E1](https://openairdocs.org/tcds/3E1)) - Continental Motors IO-470-S ([TCDS 3E1](https://openairdocs.org/tcds/3E1)) - Continental Motors IO-470-T ([TCDS 3E1](https://openairdocs.org/tcds/3E1)) - Continental Motors IO-470-U ([TCDS 3E1](https://openairdocs.org/tcds/3E1)) - Continental Motors IO-470-V ([TCDS 3E1](https://openairdocs.org/tcds/3E1)) - Continental Motors IO-470-VO ([TCDS 3E1](https://openairdocs.org/tcds/3E1)) - Continental Motors IO-520-A ([TCDS E5CE](https://openairdocs.org/tcds/E5CE)) - Continental Motors IO-520-B ([TCDS E5CE](https://openairdocs.org/tcds/E5CE)) - Continental Motors IO-520-BA ([TCDS E5CE](https://openairdocs.org/tcds/E5CE)) - Continental Motors IO-520-BB ([TCDS E5CE](https://openairdocs.org/tcds/E5CE)) - Continental Motors IO-520-C ([TCDS E5CE](https://openairdocs.org/tcds/E5CE)) - Continental Motors IO-520-CB ([TCDS E5CE](https://openairdocs.org/tcds/E5CE)) - Continental Motors IO-520-D ([TCDS E5CE](https://openairdocs.org/tcds/E5CE)) - Continental Motors IO-520-E ([TCDS E5CE](https://openairdocs.org/tcds/E5CE)) - Continental Motors IO-520-F ([TCDS E5CE](https://openairdocs.org/tcds/E5CE)) - Continental Motors IO-520-J ([TCDS E5CE](https://openairdocs.org/tcds/E5CE)) - Continental Motors IO-520-K ([TCDS E5CE](https://openairdocs.org/tcds/E5CE)) - Continental Motors IO-520-L ([TCDS E5CE](https://openairdocs.org/tcds/E5CE)) - Continental Motors IO-520-M ([TCDS E5CE](https://openairdocs.org/tcds/E5CE)) - Continental Motors IO-520-MB ([TCDS E5CE](https://openairdocs.org/tcds/E5CE)) - Continental Motors IO-520-N ([TCDS E5CE](https://openairdocs.org/tcds/E5CE)) - Continental Motors IO-520-NB ([TCDS E5CE](https://openairdocs.org/tcds/E5CE)) - Continental Motors IO-550-A ([TCDS E3SO](https://openairdocs.org/tcds/E3SO)) - Continental Motors IO-550-B ([TCDS E3SO](https://openairdocs.org/tcds/E3SO)) - Continental Motors IO-550-C ([TCDS E3SO](https://openairdocs.org/tcds/E3SO)) - Continental Motors IO-550-D ([TCDS E3SO](https://openairdocs.org/tcds/E3SO)) - Continental Motors IO-550-E ([TCDS E3SO](https://openairdocs.org/tcds/E3SO)) - Continental Motors IO-550-F ([TCDS E3SO](https://openairdocs.org/tcds/E3SO)) - Continental Motors IO-550-L ([TCDS E3SO](https://openairdocs.org/tcds/E3SO)) - Continental Motors IO-550-N ([TCDS E3SO](https://openairdocs.org/tcds/E3SO)) - Continental Motors O-470-B ([TCDS E-273](https://openairdocs.org/tcds/E-273)) - Continental Motors O-470-B-CI ([TCDS E-273](https://openairdocs.org/tcds/E-273)) - Continental Motors O-470-G ([TCDS E-273](https://openairdocs.org/tcds/E-273)) - Continental Motors O-470-G-CI ([TCDS E-273](https://openairdocs.org/tcds/E-273)) - Continental Motors O-470-H ([TCDS E-273](https://openairdocs.org/tcds/E-273)) - Continental Motors O-470-K ([TCDS E-273](https://openairdocs.org/tcds/E-273)) - Continental Motors O-470-K-CI ([TCDS E-273](https://openairdocs.org/tcds/E-273)) - Continental Motors O-470-L ([TCDS E-273](https://openairdocs.org/tcds/E-273)) All 91: https://openairdocs.org/stc/SE09637SC/models.md ## 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. United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate FAA Form 8110-2 (5/14) Page 1 of 2 This certificate issued to: Number: SE09637SC General Aviation Modifications, Inc. 2800 Airport Road, Hangar A Ada, OK 74820 Part * of the *Federal Aviation Regulations Original Product – Type Certificate Number: Make: FAA Approved Model List (AML) for Model: approved models and applicable airworthiness regulations See attached Description of Type Design Change: Remove existing rocker arm assemblies and install modified rocker arm assemblies in accordance with Murray Hammond installation instructions “Introduction to Needle Bearing Rocker Arm Conversions” Number NR99-P dated December 10, 199 9, or later FAA approved revisions or install modified rocker arm assemblies per General Aviation Modifications, I nc. installation instructions Number NR99-I, Revision A dated March 16, 2018 or later FAA approved revisions. General Aviation Modifications, Inc. Instructions for Continued Airworthiness, Report 26-7560001, Rev. IR, dated November 5, 2018 or later revision is required. 1. Approval of this change in type design applies to engines listed in the AML only. This approval should not be ext ended to engines of these models on which other previously approved modifications are incorporated unless it is determined that the interrelationship 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 engine. 2. A copy of this certificate must be maintained as a part of the permanent records of this modified engine. Date of Application: 11/22/1999 Date of Issuance : 02/15/2000 Date Reissued: 04/28/08; 08/26/08; 12/31/15 Date Amended: 03/06/19 By Direction of the Administrator Signature Jim Grigg Title: Manager, Fort Worth ACO Branch Compliance & Airworthiness Division Aircraft Certification Service United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate FAA Form 8110-2 (5/14) Page 2 of 2 Transfer Endorsement Transfer the ownership of Supplemental Type Certificate Number: SE09637SC To (Name and address of transferee) From (Name and address of grantor) Extent of Authority (if licensing agreement): ### SE09637SC_AML.pdf FAA APPROVED MODEL LIST (AML) NO. SE09637SC Ultimate Engines LLC FOR INSTALLING modified rocker arm assemblies Issue Date: February 15, 2000 **INSTALLATION** **INSTRUCTIONS** **ITEM ENGINE MAKE** **ENGINE MODEL ORIGINAL TYPE** **CERTIFICATE NUMBER** **CERTIFICATION BASIS** 1 Teledyne Continental Motors O-470-B, -G, -H-, -K, -L, -M, -N, -P, -R, -S, -T, -U, -B-C1, -G-CI, -K-CI, -L-CI, -M-CI, IO-470-A, -C E-273 CAR 13 2 Teledyne Continental Motors IO-470-D, -E, -F, -G, -H, -L, -LO, -M, -N, -P, -R, -S, -T, -U, -V, -VO 3E1 CAR 13 3 Teledyne Continental Motors TSIO-470-B, -C, -D 3E3 CAR 13 4 Teledyne Continental Motors IO-520-A, -B, -BA, -BB, -C, -CB, -D, -E, -F, -J, -K, -L, -M, -MB, -N, -NB E5CE CAR 13 5 Teledyne Continental Motors TSIO-520-A, -B, -C, -D, -E, -G, -H, -J, -K, -L, -M, -N, -P, -R, -BB, -DB, -EB, -JB, -KB, -LB, -NB, -T, -U, -UB, -VB, -WB, -AF, -BE, -CE E8CE CAR 13 6 Teledyne Continental Motors IO-550-A, -B, -C, -D, -E, -F, -L, -N E3SO FAR 33 FAA Approved:______________________________________ John Hardie Acting Manager, Fort Worth Aircraft Certification Office, Southwest Region Reissued: December 31, 2015 ## Every issue (4) - March 6, 2019: Amended, Current. [certificate](https://openairdocs.org/files/sha256/ca/42/ca422f647aeca93e51a62bcf69bf3289004a182ecdc512f4bca42e1009a45edd), [SE09637SC_AML.pdf](https://openairdocs.org/files/sha256/02/5c/025c98d9b8bd0190a87bda4256d1fcfcf70163797625aa8a0bf2841b91da1f8c) - December 31, 2015: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/9a/8b/9a8b897fe18edba80b216b79b210687e15e940e27df1eee7c24287562f283356), [SE09637SC_AML.pdf](https://openairdocs.org/files/sha256/02/5c/025c98d9b8bd0190a87bda4256d1fcfcf70163797625aa8a0bf2841b91da1f8c) - August 26, 2008: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/9c/d7/9cd728fb3c808bcf88008107bea5e2e96bddd0d98866e3949a8fc1d0cda19490) - April 28, 2008: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/43/6a/436a2f0d51cd36ddd29a11aa459a09c70a25fa8d5182343eb7fc8e09746d6c9c) --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.