# STC SE5784NM - Type: Supplemental type certificate - Status: Current, Reissued - Holder: B & B Aviation LLC, United States - Description: Replacement of Teledyne Continental original camshaft. - Applied: September 16, 1992 - Status date: August 23, 2019 - Product: Engine - Certification basis: Part 13, Part 21 - Data sheets: [TCDS E-273](https://openairdocs.org/tcds/E-273), [TCDS E5CE](https://openairdocs.org/tcds/E5CE), [TCDS E8CE](https://openairdocs.org/tcds/E8CE) - Certificate PDF: https://openairdocs.org/files/sha256/f7/09/f709da778e4e882315e98a2307185d88f17a5069450dfad76156585beb1de3cc - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6DBFB25B5B22E2A7862584730062C04D.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SE5784NM ## ADs that name it (0) None. ## Approved models (28) - Continental Motors IO-520-A ([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 O-470-A ([TCDS E-273](https://openairdocs.org/tcds/E-273)) - Continental Motors O-470-B ([TCDS E-273](https://openairdocs.org/tcds/E-273)) - Continental Motors O-470-E ([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-J ([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-L ([TCDS E-273](https://openairdocs.org/tcds/E-273)) - Continental Motors O-470-M ([TCDS E-273](https://openairdocs.org/tcds/E-273)) - Continental Motors O-470-P ([TCDS E-273](https://openairdocs.org/tcds/E-273)) - Continental Motors O-470-R ([TCDS E-273](https://openairdocs.org/tcds/E-273)) - Continental Motors O-470-S ([TCDS E-273](https://openairdocs.org/tcds/E-273)) - Continental Motors O-470-U ([TCDS E-273](https://openairdocs.org/tcds/E-273)) - Continental Motors TSIO-520-AF ([TCDS E8CE](https://openairdocs.org/tcds/E8CE)) - Continental Motors TSIO-520-C ([TCDS E8CE](https://openairdocs.org/tcds/E8CE)) - Continental Motors TSIO-520-CE ([TCDS E8CE](https://openairdocs.org/tcds/E8CE)) - Continental Motors TSIO-520-G ([TCDS E8CE](https://openairdocs.org/tcds/E8CE)) - Continental Motors TSIO-520-H ([TCDS E8CE](https://openairdocs.org/tcds/E8CE)) - Continental Motors TSIO-520-M ([TCDS E8CE](https://openairdocs.org/tcds/E8CE)) - Continental Motors TSIO-520-P ([TCDS E8CE](https://openairdocs.org/tcds/E8CE)) - Continental Motors TSIO-520-R ([TCDS E8CE](https://openairdocs.org/tcds/E8CE)) - Continental Motors TSIO-520-T ([TCDS E8CE](https://openairdocs.org/tcds/E8CE)) ## 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. Part 13 of the Civil Air Regulations. Description of Type Design Change: The original Teledyne Continental camshaft for the engine model listed on page 3 is being replaced with a camshaft manufactured in accordance with Ritter and Iverson Co., Inc. Master Drawing List No. XI, dated November 7, 1985. Limitations and Conditions: Approval of this change in type design applies specifically to the engine models listed in page 3 only. This approval should not be extended to other engines of these models 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 engine. A copy of this Certificate 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 then product, the holder shall give the other person written evidence of that permission. B & B Aviation LLC 13345 Alkali Road Sturgis, SD, 57785 See Page 3 Teledyne-Continental See Page 3 Date reissued : September 29, 2000, August 23, 2019 Date amended : September 29, 2000 (Signature) Roy E. Boffo Manager, Propulsion & Program Management Section Chicago Aircraft Certification Office Compliance & Airworthiness Division (Title) Date of application : September 16, 1992 Date of issuance : December 03, 1992 FAA FORM 8110-2-1(10-69) PAGE 3 of 3 PAGES Number SE5784NM Issued to: B & B Manufacturing Reissued: September 29, 2000, August 23, 2019 Amended: September 29, 2000 Applicability of the Design Change: The following Teledyne-Continental engine models are eligible to use camshaft Part Number 32122-1, manufactured in accordance with Ritter & Iverson Co., Inc. Master Drawing List No. XI, as a replacement for the original Teledyne-Continental camshaft: Engine Model Type Certificate No. Regulation IO-520-A, -D E5CE CAR 13 -E, -F, -J -K, and -L O-470-A, -B E-273 CAR 13 -E, -G, -J -K, -L, -M, -P, -R, -S and U TSIO-520-C, -G E8CE CAR 13 -H, -M, -P -R, -T, -AF, and -CE -END- ## Every issue (2) - August 23, 2019: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/f7/09/f709da778e4e882315e98a2307185d88f17a5069450dfad76156585beb1de3cc) - September 29, 2000: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/03/76/03761c10fbeaa462a6bd2d4ff920954028e496f7758ced03ad830731e82c2840) --- 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.