# STC SA09852SC - Type: Supplemental type certificate - Status: Current, Amended - Holder: General Aviation Modifications, Inc., United States - Description: Installation of Continental IO-550B engine. - Applied: October 7, 2000 - Status date: June 16, 2005 - Product: Aircraft, Single-Engine - Certification basis: Part 3, Part 21 - Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15) - Certificate PDF: https://openairdocs.org/files/sha256/4b/c2/4bc247e69d25759025a71a43d91f0dd2c72e58ae337c251f86c0b3716fd8aae8 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/432E3740DEF550D386257067004C5CBA.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SA09852SC ## ADs that name it (0) None. ## Approved models (12) - Raytheon Aircraft Company 35-C33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Raytheon Aircraft Company 36 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Raytheon Aircraft Company A36 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Raytheon Aircraft Company E33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Raytheon Aircraft Company E33C ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Raytheon Aircraft Company F33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Raytheon Aircraft Company F33C ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Raytheon Aircraft Company G33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Raytheon Aircraft Company S35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Raytheon Aircraft Company V35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Raytheon Aircraft Company V35A ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Raytheon Aircraft Company V35B ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) ## 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 Project Number SA8161SC-A, JEP Hangar A Ada Municipal Airport Ada, OK 74820 Part 3 of the Civil Air Regulations. Original Product Type Certificate Number : 3A15 Make : Raytheon (Beech) Model : S35, V35, V35A, V35B, 36, A36, 35-C33A, E33A, E33C, F33A, F33C, G33 Description of Type Design Change: Installation of Continental IO-550-B engine in accordance with Engine Technologies Inc. Report 161-3, Rev. None, dated June 2, 2000, or later FAA approved revision. FAA approved Airplane Flight Manual Supplement, AFMS-550NA, dated February 1, 2001, or later FAA approved revision is required. Limitations and Conditions: 1. The approval for installation of the Teledyne Continental IO-550-B engine under this STC is limited to aircraft equipped with one of the following propellers: Date of application : October 7, 2000 Date of issuance : January 22, 2001 Date reissued : Date amended : June 18, 2002; June 16, 2005, Rev. 2 ( Signature) Fred Stellar Acting Manager, Special Certification Office Southwest Region (Title) FAA Form 8110-2-1(10-69) Page 2 of 2 Number SA09852SC Date of Issuance: January 22, 2001 Date Amended: June 16, 2005 McCauley: D3A32C409/82NDB model propellers in the 80” to 78” diameter range The following operating limitation shall be affixed near the tachometer: “CONTINUOUS PROPELLER OPERATION BETWEEN 2350 AND 2450 RPM AT 24 INCHES HG AND HIGHER MANIFOLD PRESSURE IS PROHIBITED”. 3A32C406/82NDB MODEL PROPELLERS IN THE 80” TO 78” diameter range. The following operating limitation shall be affixed near the tachometer: “CONTINUOUS PROPELLER OPERATION BETWEEN 2350 AND 2450 RPM AT 24 INCHES HG AND HIGHER MANIFOLD PRESSURE IS PROHIBITED”. 3a32c76/82nb in the 80” to 78.5” diameter range provided the IO-550-B engine is derated from 300 HP at 2700 RPM to 285 HP at 2700 RPM and 27.7” Hg of manifold pressure having 2-6th, 1-5th and 1-4th order crankshaft dampers installed. The following operating limitation shall be affixed near the manifold pressure gage: “DO NOT EXCEED 27.7” MANIFOLD PRESSURE AT SEAL LEVEL”. Hartzell: PHC-C3YF-1RF/F8468A-6R with pr opeller diameter limits of 80” to 77”. PHC-C3YF-1RF/F8068 with propeller diameter limits of 82” to 78”. 2. Approval of this change in type design applies to the above model aircraft only. This approval should not be extended to aircraft of this model 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 aircraft. A copy of this Certificate, Continuation Sheet, and the FAA Flight Manual Supplement, dated February 1, 2001, or later approved revision, must be maintained as part of the permanent records for the modified aircraft. 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. ## Every issue (1) - June 16, 2005: Amended, Current. [certificate](https://openairdocs.org/files/sha256/4b/c2/4bc247e69d25759025a71a43d91f0dd2c72e58ae337c251f86c0b3716fd8aae8) --- 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.