STC SA00040LB

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6HHH&RQWLQXDWLRQQ6KHHWW3DJHHRII3DJHV SA00040LB Aerospace Welding Minneapolis, Inc.

3344 Highway 149 Eagan, MN 55121 * * Regulations * * *See attached FAA Approved Model List (AML) No. SA00040LB for list of approved aircraft models and applicable airworthiness regulations.

Installation of a modified exhaust tail pipe in accordance with Knisley Welding, Inc. Master Drawing List (MDL) #3, Revision C, dated December 18, 1994, as listed on AML No. SA00040LB, or later FAA Approved revision.

Approval of this change in type design applies to the above aircraft model(s) only. This approval should not be extended to aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the interrelationship between this change and any of those other previously approved modifications will introduce no advese effect upon the airworthiness of that aircraft. A copy of this Certificate and FAA Approved Model List (AML) No.

SA00040LB dated February 16, 1995, or later FAA Approved revision, must be maintained as part of the permaent records for the modified aircraft.

If 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.

October 29, 1994 November 17, 2023 February 16, 1995 November 27, 1996 for Manager, West Certification Branch 3

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Too (Name and address of transferee):

Date oI transfer:

SA00040LB 3

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((QG SA00040LB Limitations and Conditions (Continued):

NOTE 1: Installation of this modification requires the aircraft be equipped with Garrett turbocharger Part Number (P/N) 406610-19 or 406610-9025 or Teledyne Continental Motors (TCM) turbocharger P/N R632729-11.

NOTE 2: Noise characteristics: This modification was determined not to increase the noise level and was not considered an "acoustical change" as defined in § 21.93(b), Amendment 21-70 of the Federal Aviation Regulations.