STC SA00448DE

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA00448DE This certificate issued to: Oilamatic, Inc P.O. Box 5284 Englewood, CO 80155 Part * of the * Regulations.

* See Page 3 Original Product - Type Certificate Number:

Make: * See Page 3 Model:

Installation of Oilamatic Preoiler system in accordance with FAA approved Oilamatic, Inc. Drawing List No.

PA23400 initial release, dated June, 2000, or FAA approved Oilamatic, Inc Drawing List No. PA31400 initial release, dated January 02, 2003 or later FAA approved revisions.

1. FAA approved Airplane Flight Manual Supplement Engine Preoiler Piper PA-23, Rev. No. N/C, dated February 14, 2001 or FAA approved Airplane Flight Manual Supplement Engine Preoiler Piper PA-31, Rev.

No. N/C, dated February 05, 2003 or later FAA approved revisions are required.

2. 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.

3. A copy of this Certificate and Flight manual Supplement must be maintained as part of the permanent records for the modified aircraft.

Date of Application: August 6, 2000 Date Reissued:

Date of Issuance: February 14, 2001 Date Amended: February 5, 2003, April 14, 2003 FEDERAL AVIATION By Direction of the Administrator Melissa Rudo Melissa Sandow / (Signature) Small Airplane Program Manager HO RATIC Northwest Mountain Region Denver Aircraft Certification Office (Title)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA00448DE Date of Issuance: 02/14/2001 Date Amended: 02/05/2003, 04/14/2003 FAA APPROVED MODEL LIST (AML) No. SA00448DE FOR Installing OILAMATIC Engine Preoiler System on Piper Aircraft Corporation PA-23, PA-23-160, PA-23-250, and PA-E23-250 (TC 1A10).

OR Installing OILAMATIC Engine Preoiler System on Piper Aircraft Corporation PA-31, PA-31-300, PA-31-325, and PA-31-350 (TC A20SO).

Installing OILAMATIC Engine Preoiler System on Piper Aircraft Corporation PA-31P and PA-31P-350 (TC A8EA).

Item Aircraft Original Certification Master Drawing List AFM Supplement Model Basis Number/Date Certificate Number 1 Piper 1A10 CAR 3 OILMATIC Drawing ENGINE PREOILER PA-23 (Additional rules, See TCDS) PA23400, Rev. N/C PIPER PA-23 Rev. N/C dated 06/01/2002 dated 02/14/01 2 Piper 1A10 CAR 3 OILMATIC Drawing ENGINE PREOILER PA-23- 160 See TCDS) (Additional rules, dated 06/01/2002 PA23400, Rev. N/C PIPER PA-23 Rev. N/C dated 02/14/01 Piper 1A10 CAR 3 OILMATIC Drawing ENGINE PREOILER PA-23- 235 See TCDS) (Additional rules, dated 06/01/2002 PA23400, Rev. N/C dated 02/14/01 PIPER PA-23 Rev. N/C 4 Piper 1A10 CAR 3 OILMATIC Drawing ENGINE PREOILER PA-23- 250 (Additional rules, See TCDS) dated 06/01/2002 PA23400, Rev. N/C PIPER PA-23 Rev. N/C dated 02/14/01 5 Piper 1A10 CAR 3 OILMATIC Drawing ENGINE PREOILER 250 PA-E23- See TCDS) (Additional rules, PA23400, Rev. N/C dated 06/01/2002 PIPER PA-23 Rev. N/C dated 02/14/01 6 Piper A20SO CAR 3 OILAMATIC Drawing ENGINE PREOILER PA-31 (Additional rules, See TCDS) PA31400, Rev. N/C, PIPER PA31 Rev. N/C dated 02/05/2003 dated 02/05/2003 -Continued-

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA00448DE Date of Issuance: 02/14/2001 Date Amended: 02/05/2003, 04/14/2003 FAA APPROVED MODEL LIST (AML) NO. No. SA00448DE (Continued) Piper A20SO CAR 3 OILAMATIC Drawing ENGINE PREOILER PA-31- 300 (Additional rules, See TCDS) PA31400, Rev. N/C, dated 02/05/2003 dated 02/05/2003 PIPER PA31 Rev. N/C 8 Piper A20SO CAR 3 OILAMATIC Drawing ENGINE PREOILER PA-31- 325 See TCDS) (Additional rules, PA31400, Rev. N/C, dated 02/05/2003 PIPER PA31 Rev. N/C dated 02/05/2003 9 Piper A20SO CAR 3 OILAMATIC Drawing ENGINE PREOILER PA-31- 350 (Additional rules, See TCDS) PA31400, Rev. N/C, dated 02/05/2003 PIPER PA31 Rev. N/C dated 02/05/2003 10 Piper ASEA CAR 3 OILAMATIC Drawing ENGINE PREOILER PA-31P (Additional rules, See TCDS) PA31400, Rev. N/C, PIPER PA31 Rev. N/C dated 02/05/2003 dated 02/05/2003 11 Piper ASEA CAR 3 OILAMATIC Drawing ENGINE PREOILER PA-31P- 350 (Additional rules, See TCDS) PA31400, Rev. N/C, dated 02/05/2003 dated 02/05/2003 PIPER PA31 Rev. N/C

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