# STC SA5979NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Goering Randy, United States
- Description: Installation of larger capacity hopper.
- Applied: March 30, 1993
- Status date: July 29, 1993
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A3SW](https://openairdocs.org/tcds/A3SW)
- Certificate PDF: https://openairdocs.org/files/sha256/23/2b/232b679e11cd169e1ee4fc4dbc1b6c63e479a920ba4699cef591a4b0a47309ae
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/81EDA2B977561E4C85256CC200569D8E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA5979NM

## ADs that name it (0)

None.

## Approved models (1)

- Ayres Corporation S2R ([TCDS A3SW](https://openairdocs.org/tcds/A3SW))

## What the certificate says

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

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number 5A5979iM This certificate issued to: Randy Goering 27430 Willard Bend, Oregon 97701 Certifies that the change in the type design for the following product with tho limitations and conditions thorefor as specified hereon meets the aircosthiness reguirements of Purt 3 f the CIVIl Air Rugulations. (See Type Certificate Data Sheet No. A3SW for complete certification basis.)

Original Product -TypeCerlificate Number: A3SW Make: Ayres Corporation Model: S-2R aCcordice Teh Dunharraft Materials Hopper Installation Report No. GA-93-004 Installation of larger capacity hopper in Rev. A of July 26, 1993, or later FAA approved revision.

model aircraft only. familiar banditions approval suid not be extendedes other list of this model 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. A copy of this Certificate and Aircraft Flight Manual Supplement, dated July 29, 1993, or later FAA approved Revision, must be maintained as part of the permanent records for the modified aircraft.

## Every issue (1)

- July 29, 1993: Issued, Current. [certificate](https://openairdocs.org/files/sha256/23/2b/232b679e11cd169e1ee4fc4dbc1b6c63e479a920ba4699cef591a4b0a47309ae)

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