STC SE00144SE

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number SEO0144SE This certificate issued to: Dakota Aircrafi Pars. Inc.

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

Replaces the following Teladyne-Continental par. Numbers: 641682 (Rocker Arm. Exhaust), 539742 (Rocker Arm, Intake). 239740 (Rocker Arm. Stay and 538304 (Pushrod Assembly) in the engine models listed in page 2 with parts manufactured in accordance with Dakota Aircraft Parts, Inc., Master Drawing List No 91-Rocker, dated Jure 14, 1994.

Approval of this change in ape 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 is determined that the inter-relationship between this change and any of these ober previously approved modifications, including changes in type design, will introduce no adverse affect upon the airwor iness of that engine. A copy of this certificate shall imagine as see entre seen aped engine I shall remain in effect until sur rendered, suspended, revred, or a lermination detes stherwise es lablished by the alministrater of the Federal Aviation Administration Date of Application: Тапиату 23, 1992 Sate wissued:

Date of Issuance: APR 2 6 1995 Date Amended:

FEDERAL AVIATIO By direction of the SIdes (Signature ) Acting Manager, Seattle Aircraft Certification Office, ANM-100S (Title)

FAA FOR 8110-2 (10-68)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number SE00144SE 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-I, 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-I 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 he 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 Lype Cert. No. Regulation TSIO-520-B, -C, -D, -E, E8CE See Type Certificate -G, -H, -J, -K, -L, -M, -N, Data Sheet -P, -R. -T, -UB, -VB and - WB END

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