# STC SA5953NM

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Goering Aircraft Inc, United States
- Description: Installation of one of the following Garrett engines:

a.  TPE331-1-151A, -151K, -151G
b.  TPE331-2-201A, -201C
c.  TPE331-6-252B, -252M
d.  TPE331-5-252
- Applied: November 9, 1992
- Status date: March 24, 1999
- Product: Aircraft
- Certification basis: Part 21
- Data sheets: [TCDS A4SW](https://openairdocs.org/tcds/A4SW)
- Certificate PDF: https://openairdocs.org/files/sha256/a9/6d/a96d14febddf63bbd62366831363711c8e0086ad7b738d30a623818836f3ce1e
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/498CEE4A33E1CC22862579BF006D99A8.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA5953NM

## ADs that name it (0)

None.

## Approved models (1)

- Thrush Aircraft Inc. S-2R ([TCDS A4SW](https://openairdocs.org/tcds/A4SW))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

Department of Transportation Federal Aviation Administration Supplemental Type Certificate BooK Number: SA5953NM This certificate issued to: Goering Aircraft, Inc.

27430 Willard Road Bend, OR 97701 Part 8 of the Civil Air Regulations.

Original Product -Type Certificate Number: A4SW Make: Ayres Corporation Model: S-2R (Restricted Category) Description of Type Design Change: Installation of one of the following Garrett engines:

a. TPE331-1-151A, -151K, -151G

b. TPE331-2-201A, -201C

c. TPE331-6-252B, -252M

d. TPE331-5-252 Engines (a) through (c) must be installed with a Hartzell Model HC-B3TN-5(C)/T10282+4, P/N HCB3TN- 5V/T10290N or P/N HCB3TN-5V/T10290N+2 propeller. Engine (d) must be installed with a Hartzell P/N HC- B4TN-5(E)L/LT10282A(N)+2.5 or Hartzell P/N HC-B4TN-5NL/LT10890N propeller. These engine and propeller combinations must be installed in accordance with Goering Aircraft, Inc. Master Drawing List No. S2R-600, Revision I, dated April 13, 1997, and Installation Instructions No. 1000Il, Revision F, dated August 20, 1998, or later FAA approved revisions.

Limitations and Conditions: . Approval of this change in type design applies to the above model aircraft only.

This approval should not be extended to aircraft of these models on which other previously approved modifications are incorporated unless it is determined 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. Engine installations (a) through (d) require the flap travel be limited to 15 degrees.

Airplanes equipped with engines (a) through (c) must be operated in accordance with a copy of FAA approved Airplane Flight Manual Supplement (AFMS), dated either April 30, 1993 or March 24, 1999, as appropriate.

Airplanes equipped with engine (d) must be operated in accordance with a copy of FAA approved AFMS, dated April 24, 1997. A copy of this certificate and the appropriate AFMS must be maintained as part of the permanent 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.

Date of Application: November 9, 1992 Reissued:

Date of Issuance: April 30, 1993 Date Amended: April 24, 1997; March 24, 1999 FEDERAL AVIATION directio of the Side alor co- (Signature) TOMINIST RATIOT Acting Manager, Seattle Aircraft Certification Office (Title)

## Every issue (2)

- March 24, 1999: Amended, Current. [certificate](https://openairdocs.org/files/sha256/a9/6d/a96d14febddf63bbd62366831363711c8e0086ad7b738d30a623818836f3ce1e)
- April 24, 1997: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/45/3a/453a3092997568b0deaa3cb885cfaf07423b8e6ef347a7047d677f64a20d5db5)

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