STC SE00143SE

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SE00143SE This certificate issued to: Dakota Aircraft Parts, Inc.

P.O. Box 1021 Sturgis, SD 57785 Purt 13 of the Civil Air Regulations.

Original Product - Type Certificate Number: ESCE 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.

tirnitalions and benditions:

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 be anaid and of the ping daint reds for the peed enginel/emain inful unlid surrendered, suspended, revoked, or a lermination dale is dherwise es labdished by the Adminis traler of the Federal Aviation Administration Date of Application: January 23, 1992 Sate visard Dates issuana: APR 2 6 1995 Date Amended:

FEDERAL AVIATION "By direction of the Stel ві Скенк tanu (Signature ) VANIS RATOR Acting Manager, Seattle Aircraft Certification Office, ANM-100S (Title)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number SE00143SE The following Teledyne-Continental parts are being replaced by parts manufactured by Dakota Aircraft Parts, Inc.:

Part Name Teledyne-Continental Dakota Aircraft Part Numbers Part Numbers Rocker Arm, Exhaust 641682 R91-E, R91-S & R91-PR Rocker Arm, Intake 539742 R91-1, 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-l 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 ahove 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 IO-520-A, -BA, -C, -D. -E. ESCE See Type Certificate -F, -J, -K, -L, and -M Data Sheet END

FAA FORM B110-2-1 (10-69) PAGE 3 OF 3 PAGES APR 2 6 1995 c FAA AC 82-03578