STC SE00142SE

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SE00142SE This certificate issued to: Dakota Aircraft Parts, Inc.

P.O. Box 1021 Sturgis, SD 57785 Parl 13 of the Civil Air Regulations Original Product - Type Certificate Number: E-273 Make: Teledyne-Continental Model: See Page 3 Description of Type Design Change:

Replaces the following Teledyne-Continental part Numbers: 641682 (Rocker Arm, Exhaust), 539742 (Rocker Arm, Intake), 539740 (Rocker Arm, Shaft) and 538304 (Pushrod Assembly) in the engine models listed in page 3 with parts manufactured in accordance with Dakota Aircraft Parts. Inc...

Master Drawing List No 91-Rocker, dated June 14, 1994.

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 inter-relationship between this change and any of these 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 shall rendered, suspended, revcked, or a lermination dale is therwise es lablished by the SIdministrater of the Federal Aviation Administration ...

Date of Application: January 23, 1992 Inte missued:

Date of Issuance: APR 2 6 1995 Date Amended:

FEDERAL AVIATION (amex (Signature) TOMINISTRAT Aircraft Certification Office, ANM-100S Acting Manager, Seattle (Title)

47.

FAA FORM B110-2 (10-68)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number SE00142SE The following Teledyne-Continental parts are being replaced by parts manufactured by Dakota Aircraft Parts, Inc.:

Part Name Teledyne-Continental Dakota Aircraft Part Numhers Part Numbers Rocker Arm, Exhaust 641682 R91-E, R91-S & R91-PR Rocker Arm, Intake 539742 R91-L, R91-S & R91-PR Push Rod Assembly 538304 P91-C Rocker Arm Shaft 539740 S91-2 In the chart above: R91-E is exhaust rocker arm, R91-1 is intake rocker arm, R91-S is the rocker arm seat and R91-PR represents the rocker arm roller and pin.

All Dakota Aircraft Parts, Inc. components listed above must be installed as a set.

Applicability of the Design Change.

The following Teledyne-Continental engine models are eligible to use the Dakota Aircraft Parts, Inc. components listed above:

Engine Model Type Cert. No. Regulation O-470-A. -B, -E, -G, -J, -K. E-273 See Type Certificate -L, -M, -P, -R, -S and U Data Sheet END

FAA FORM 8110-2-1 (10-69) PAGE 3 OF 3 PAGES APR 2 6 1995 FAA AC 82-03578