STC SA00148SE

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA00148SE This certificate issued to: AERONAUTICAL TESTING SERVICE, INC.

Certifies that the change in the type design for the following product with the limitations and conditions therefor as specified hereon meets the airworthiness requirement's of Part 21 of the Federal Aviation Regulation, and CAM S of the Civil Sir Regulations.

Original Product -Type Certificate Number: A10SO Make: Piper Model: PA-36-285, PA-36-300, and PA-36-375 Description of Type Design Change: Installation of vortex generators on the wing in accordance with an FAA approved copy of Aeronautical Testing Service, Inc. Drawing List No. ATS-PA36, revision "A", dated October 27, 1994, or later FAA approved revision.

NOTE: Two modification options are provided. These may include changes to the airplane stall speeds.

For specific information regarding each option, including Airplane Flight Manual Supplements(AFMS) information regarding each option, please refer to Continuation Sheet (page 3 of 3).

Limitations and Conditions: . Approval of this change in type design applies to the above model aircraft only. This approval should not be extended to other aircraft of these models on which other previously approved modifications are incorporated unless it is determined by the installer that the relationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft. (See Continuation Sheet page 3 of 3.)

Date of Application: September 21, 1994 Date Reissued:

Date of Issuance: November 18, 1994 Date Amended:

AVIATION By Direction of the Administrator Ulrian (Signature)

ROMNIS TRA TOD Acting Manager, Seattle Aircraft Certification Office (Title)

FAA FORM B110-2(10-68)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA00148SE Description of Type Design Change: (continued):

Description of Modification Options: Each of these options incorporate the vortex generator kit.

Option 1: PA-36-375; no change in air speeds, airspeed indicator markings or placards;

AFMS not required.

Option 2: PA-36-285 and PA-36-300: reduced stall speeds; changes required for airspeed indicator markings; AFMS required.

Limitations and Conditions: continued:

Airplane Flight Manual Supplements (AFMS) Aircraft modified per this STC must be operated in accordance with the following Aeronautical Testing Service, Inc. (ATS) AFMS, or later FAA approved revisions.

Option 1: AFMS not required.

Option 2: ATS AFMS Report No. ATS 94-19b (PA-36-300) or AFMS Report No. ATS 94-19c (PA-36-285), each dated November 18, 1994.

Records: The following must be maintained as part of the permanent records for the modified aircraft:

Option I: A copy of this Certificate.

Option 2: A copy of this Certificate and the appropriate FAA approved AFMS.

Other Limitations: All Options:

The ATS modification consists of seventy-two (72) vortex generators mounted on the wings. If more than four (4) vortex generators are missing or damaged, the aircraft must be flown in accordance with the original markings, placards, and manual. If more than six (6) vortex generators are missing or damaged, the aircraft is not airworthy and must be repaired before flight.

Refer to the appropriate AFMS for specified airspeed indicator markings for Option 2.

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