STC SA5666NM

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA5660M This certificate issued to: Frederick Ludtke Part 23 of the Federal Air Regulations: * Original Product -Type bertificate Number: A-805 Make: Piper Model: PA-17 Maveriptioned Type egg hangeretor, McCauley 1B90CM7148 propeller, and two 9.5 gallon Installation of Continental C90-8F engine with Stoddard Aero Service Model 15 wing tanks in accordance with Fred Ludtke photo sheets 1 through 4 and Fred Ludtke drawing number 1.

Limitations and Conditions: Data pertaining to this modification are considered inadequate for other aircraft. This approval is limited to the installation in Model PA-17 aircraft, Serial No. 17-84, R/N N4685H, only. A copy of this Certificate, Continuation Sheet and FAA Approved Flight Manual Supplement dated January 14, 1992, must be maintained as part of the permanent records for the modified aircraft.

(continued on page 3) r of the Federal Aviation Administration .

Date s applicalim: September 12, 1991 Sule missued:

Date of Issuance: January 14, 1992 Jale umended:

FEDERA AVIATION By direct as .. + the ldministrater (Signature) TO MINISTRATO ON Manager, Special Certification Branch Seattle Aircraft Certification Office (Title)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA56661M Limitations and Conditions: (CONTINUED) The conditions and limitations of the Type Certificate Data Sheet No. A-805 apply except where superseded by the following:

This Continuation Sheet, which is part of STC No. SA5666NM, prescribes the conditions and limitations under which the product for which the STC was issued meets the airworthiness requirements of the Federal Aviation Regulations.

Engine Continental C90-8F with Marvel-Schebler MA-3SPA carburetor.

Fuel d0 octane minimum, aviation gasoline.

Engine Limits All operations, 90 BHP @ 2475 RPM.

Propeller McCauley 1B90CM7148, Diameter: 71 inches.

Static Limits: 2375 RPM maximum.

2275 RPM minimum.

The aircraft modified by this STC is authorized for operation in the normal category only. Any specifications in the original Type Certificate Data Sheet pertaining to the utility category no longer apply.

Required Placards:

1. On the instrument panel in full view of the pilot: THIS AIRCRAFT MUST BE

OPERATED IN THE NORMAL CATEGORY IN ACCORDANCE WITH THE FAA APPROVED AIRPLANE FLIGHT MANUAL SUPPLEMENT."

2. At the fuel selector valve:

a. Left wing tank detent: "LEFT TANK 8.5 GAL."

b. Right wing tank detent: "RIGHT TANK 8.5 GAL."

Fuselage tank detent: "AUXILIARY TANK 11.5 GAL."

d. Off detent: "FUEL OFF."

3. At left and right wing tank gages: "8.5 GAL. USEABLE."

4. At the fuselage tank gage: "AUXILIARY TANK 11.5 GAL. USEABLE."

5. On wing tank filler caps: "9.5 GAL. 80/87 OCT. VENT FORWARD."

6. On fuselage tank cap: "GAS 12 GAL. 80 OCT. MIN."

7. On oil tank filler cap: "OIL 5 QTS."

8. At baggage compartment: "BAGGAGE 40 POUNDS MAXIMUM."

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