STC SA3310NM

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number SA3310NM This certificate issued to: Mark L. Aarhaus Part 4a othe Civil Air Pregulations:

Original Product - Type Certificate Number: A691 Make: Piper Model: J3C-65 Description of Type Design Change:

Installation of Teledyne-Continental Model 0-200 engine with Univair engine mount (Part No. 7-071163-00) and wag-Aero 12 gallon wing tank to be used as the main fuel tank. The production fuselage (nose) tank becomes an auxiliary fuel tank to be used for level cruise only. Engine and fuel tank installations are in accordance with "INSTRUCTIONS MLA #1".

Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation in Piper J3C-65 aircraft, Serial Number 15173 only. A copy of this Certificate and Addendum No.

SA3310NM shall be maintained as part of the permanent records for the modified aircraft.

Date of Application: July 16, 1985 Date Reissued:

Date of Issuance: December 31, 1985 Date Amended: March 6, 1986 FEDERAL EVIATION By Direction of the Administrator OMINISTRATD Acting Manager, Seattle Aircraft Certification Office (Title)

47.

FAA FoR 8110-2 (10-68)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA3310NM Supplemental Type Certificate ADDENDUM NO. SA3310NH The conditions and limitations of original specifications apply except as follows:

This addendum, which is part of the Supplemental Type Certificate No. SA3310NM, prescribes conditions and limitations under which the SIC was issued and meets the airworhtiness requirements of Civil Air Regulations Part 4a. A copy of this addendum shall be maintained as part of the modified aircraft permanent records.

Supplemental Type Certificate HOLDER: Mark L. Aarhaus Piper Cub, Model J3C-65, 2 PCLM Engine: Teledyne Continental 0-200 Fuel: Minimum Grade 80/87 Engine Limits: 100 HP at 2750 RPM at all times.

Propeller and Propeller Limits: McCauley 1B90/CM as approved by Type Certificate P-842-13 for Continental 0-200 engine.

Engine Operating Limits, 0-200 Teledyne Continental, as installed in Piper Cub J3C-65, Serial Number 15173, Registration Number N42853.

MAXIMUM PERMISSIBLE TEMPERATURES:

Cylinder Head (Washer Type) - 525 °F Cylinder Barrel 290 °F Oil Inlet - 225°F (Straight Mineral) 240°F (Detergent as approved by MHS-24, See Engine Type Certificate.)

FAA FORM 8110-2-1 (10-69) PAGE 3 OF 4 PAGES

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA3310mm The following placards are required with this installation:

USE WING TANK FOR SOLO FROM REAR

TAKE OFF, LANDING SEAT ONLY

AND CLIMBING

FUEL SYSTEM Main-Wing Tank, 12 gallons capacity, 1 gallon unuseable.

Auxilliary-Fuselage Tank, 12 gallons capacity, unuseable quantity unchanged from production airplane.

The wing tank shall be used as a main tank and shall be calibrated in the level flight attitude. The fuselage (nose) tank shall be used in level flight only. Tank switching shall be accomplished by turning the desired tank "ON", then turning the other tank "OFF" to assure uninterrupted flow of fuel to the engine. Simultaneous operation of both tanks during normal operation is otherwise not allowed due to the possibility of backfilling the fuselage tank to the point of overflowing.

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FAA FORM 8110-2-1 (10-69) PAGE 4 OF 4 PAGES