STC SA2038WE

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA2038WE This certificate issued to: HAROLD G. NELSON Certifies that the change in the type design for the following product with the limitations and conditions thereforasspecified herenmeets the airworthiness requirements f Purt 3 s/the CiViI Air Regulations Original Product - Type bertificate Number: A-780 Make: Piper Model: PA-12 (landplane only, normal and 82250 Installation of Lycoming 0-320 series engine, McCauley 1A170/1C172 and Sensenich utility category) M74DM propellers, and associated alternator systems in accordance with Harold G.

Nelson Installation Instructions dated January 5, 1974. Harold G. Nelson FAA- Approved Flight Manual Supplement dated March 6, 1974 is required.

The approval of this change in type design applies basically to the above model aircraft only. This approval should not limilationaund banditions: be extended to other aircraft of this nodel on which other previously approved modifications are incorporated unless it is determined that approved modifications will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this Certificate, Addendum No. SA2038WE, FAA-Approved Airplane Plight Manual Supplement, and Harold G. Nelson Installation Instructions are required to be maintained as part of the permanent records for the modified

Date of Application: June 16, 1969 Lute missed:

Date of Issuance: October 23, 1969 Date Amended: March 7, 1974 FEDERAL AVIATIO Chels Celebrater (Signature ) COMINISTRANO Chief, Engineering and Manufacturing Branch (Title)

47.

TAA FoR 8110-2 (10-681

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) March 7, 1974 Number: SA2038WE Supplemental Type Certificate ADDENDUM NO. SA2038WE The conditions and limitations of Type Certificate Data Sheet Number A-780 apply except where superseded by the following:

Supplemental Type Certificate Data Sheet, which is part of STC SA2038WE, prescribes the conditions and limitations under which the product for which the STC was issued meets the airworthiness requirements of the Federal Aviation Regulations:

Supplemental Type Certificate Holder: Harold G. Nelson I. MODEL PA-12 2PCIM (NORMAL AND UTILITY CATEGORY) AS REQUIRED BY STC SA2038NE Engine: Lycoming 0-320-EZA or 0-320-E2D Fuel: 80/87 minimum grade aviation gasoline Engine Limits: For all operations 2700 rpm (150 h.p.)

Propeller: STATIC LIMITS (RPM)

MANUFACTURER MODEL MAXIMUM MINIMUM McCauley 1C172-TM7653 2500 2400 McCauley 1A170-GM7454 2350 2250 Sensenich M74DM-49 2500 2400 (Diameter Limits: Maximum: 76 inches Minimum: 70 inches) Electrical System: Alternators MANUFACTURER MODEL/P.N. VOLTAGE OUT PUT Cessna (Ford) C611501-0101 14V 60 AMP.

Lycoming (Prestolite) ALY8403 14V 60 AMP.

Required Equipment: In addition to the equipment applicable and required by Aircraft Specification No. A-780, the equipment specified by Harold G. Nelson Installation Instructions dated January 5, 1974 must be installed as a result of the incorporation of this STC.

Required Placards: The following placard must be placed on the instrument panel in full view of the pilot: "DO NOT TURN ALTERNATOR OFF IN FLICHT EXCEPT FOR EMERGENCY. (SEE AFM SUPPLEMENT)."

FAA FORM 8110-2-1 (10-69) PAGE 3 OF 3 PAGES FAA AC 72-1435