STC SA518NW

STC United States of America Be K Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA518NW This certificate issued to: BYRON L. ROOT Part 3 of the Civil Air Pregulations Original Product -Type bertificate. Number 1A2 Make Piper (Root) Mortal PA-18-150 Iam/hen/Vy/e Ieynfihange: Installation of a Lycoming 0-320-B2B engine, McCauley 1A175/GN8242 propeller, rear seat baggage compartment, extended rear baggage compartment, aft fishing rod tube, extended wing leading edge (.020") 2024-t3 aluminum, modified wing tips to accommodate model Maule No. 504 wing tips, and modified tires in accordance with Byron L. Root Modification Instruction No. BR1000.

timelim unfundilure Data pertaining to this modification are considered inadequate for duplication in other aircraft This approval is limited to the installation in Piper (Foot) PA-18-150, Serial Number BR9000 only. A copy of this Certificato, Addendum SA518NW, and FAR Approved Flight Manual Supplement shall be maintained as part of the permanent records for the modified aircraft.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number SA518NW SEP 27 1977 Supplemental Type Certificate ADDENDUM NO. SA518NW The conditions and limitations of the original specification apply except as follows:

This Addendum, which is part of Supplemental Type Certificate No. SA518NW prescribes conditions and limitations under which the STC was issued and meets the airworthiness requirements of Civil Air Regulation 3.

Supplemental Type Certificate HOLDER: Byron L. Root I. PIPER MODEL PA-18-150 2PCLM ( NORMAL/UTILITY CATEGORY) AS MODIFIED BY STC SA518NW Engine: Lycoming 0-320-B2B Fuel.: 91/96 or 100/130 minimum grade aviation gasoline Engine Limits: Take Off (1 Min.) - 2700 rpm (160 HP) @ Sea Level Maximum Continuous Power - 2500 rpm Propeller Limits: McCauley 1A175/GM8242 Diameter: 82" maximum; 78" minimum Static Limits: Maximum 2600 rpm; Minimum 2500 rpm.

C. G. Range: Same as Type Certificate Data Sheet 1A2 Maximum Weight: 1750 pounds (Same as T.C. Data Sheet 1A2) Datum: wing leading edge Oil Capacity: 7 Quarts (Quarts useable) Instrument Markings: 01115F 011 Inlet (Red Line) Oil Pressure:

60 - 90 psi (Green Arc) Cylinder Head Temperature:

500 F Bayonet Thermocouples (Red Line) Serial Number Eligible: BR9000 only

FAA FORM 9110-2-1 (10-69) PAGE 3 OF 4 PAGES C FAA AC 73-2651

STC SA518NW SEP 27 1977 NOTE 1: Current weight and balance report including list of equipment in the certified empty weight must be in the aircraft.

NOTE 2: In addition to the Placards and Markings required by Type Certificate Data Sheet 1A2, Note 2, apply the following:

a. Adjacent to fuel filler cap:

CAUTION - USE 100/130 OCTANE

FUEL OR HIGHER ONLY

b. Adjacent to or in close proximity to the aircraft identification plate:

LYCOMING 0-320-B28 ENGINE INSTALLATION, STC SA518NW

c. Obtain new Aircraft Identification Data Plate from Piper to read:

MFG: PIPER (ROOT) Model: PA 18 "150" SERIAL: BR9000 T.C. : 1A2

d. In front of and in fall view of the pilot:

ENGINE E LIMITS TAKE OFF (1 MIN) - 2700 REM (160 HP) @ SEA LEVEL MAXIMUM CONTINUOUS POWER - 2500 RPM NOTE 3: With the described engine and propeller installation, performance will be at least equal to or better than that given in the original FAA Approved Flight Manual for the Piper PA-18 "150" airplane.

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