STC SE4988NM

FAA FORM 8110-2(10-68) PAGE 1 of 3 PAGES Number SE4988NM This certificate issued to Part 13 of the Civil Air Regulations.(effective June 15, 1956).

Remove turbocharger and fuel injection system and install carburetor in accordance with NorthPoint XP470 Engine Report No. 2, Revision E, dated June 15, 2020 or later FAA approved revision.

Approval of this change in type design applies to the engine model listed above. This approval should not be extended to engines of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the relationship between this change and any of these other previously approved modifications, including changes in type design, will introduce no adverse effects upon the airworthiness of that engine. A copy of this Certificate and the Continuation Sheet must be maintained as part of the permanent records for the modified engine.

I f the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

NorthPoint Aviation 16384 Airport Road, Suite #8 Brainerd, MN 56401 E8CE-21 Make : Teledyne Continental Motors Model: TSIO-520-C Date reissued : March 21, 2019, Date amended: February 9, 1996, December 2, 2005, June 15, 2020, September 14, 2021 By direction of the Administrator

(S ignature) Roy E. Boffo, III Manager, Propulsion and Project Management Section Chicago Aircraft Certification Office Branch

Date of application: May 12, 1991 Date of issuance: January 15, 1992

FAA FORM 8110-2-1(10-69) PAGE 3 of 3 PAGES United States of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number

SE4988NM Date of issuance: June 15, 2020 Date Amended: February 21, 2007; July 16, 1997; September 14, 2021 Date Reissued: November 20, 2003; March 21, 2019 Limitations and Conditions (continued):

T he conditions and limitations of Type Certificate Data Sheet No. E8CE-21 apply except where superseded by the following:

T his Supplemental Type Certificate Addendum, which is part of STC SE4988NM, prescribes the conditions and limitations under which the product for which the product for which the STC was issued meets the airworthiness requirements of the Civil Air Regulations. A copy of this STC addendum is required to be maintained as part of the permanent record for the modified aircraft.

Teledyne Continental engine model TSIO-520-C as modified by STC SE4988NM Engine Model: NorthPoint XP470 R ating, Take off 5 Minutes (Note 1): 235 HP @ 2700 RPM Maximum Continuous (NOTE 1): 235 HP @ 2700RPM W eight (dry): 416 lbs.

C arburetion: Marvel Schebler MA4-5 modified per NorthPoint XP470 Engine Report No. 2.

I gnition, duel magnetos. Two Bendix S6RN-25 0 lbs.

Eligible models and weight change: One ea. Bendix S6RN-201 & -205 - 1lbs.

Two Slick 662 or 680 0 lbs.

Two Slick 6210 -5 lbs.

T iming: 22°BTC F uel Pressure Limits: 0.5 p.s.i. min.

6.0 p.s.i. max.

N OTE 1: Rating at sea level, ICAO standard atmosphere, all accessories unloaded, and horsepower measured at the propeller shaft.

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