# STC SA00520WI

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Air Plains Services Corporation, United States
- Description: Installation of engine mount gussets.
- Applied: August 8, 1995
- Status date: May 13, 1997
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12)
- Certificate PDF: https://openairdocs.org/files/sha256/9c/0e/9c0e2df6d23567ec91384965df05d2808d0f9d730a854be7fd15a14bb5cfbfc7
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/AC7A14B28E9515FC85256CC1007DC97C.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA00520WI

## ADs that name it (0)

None.

## Approved models (9)

- The Cessna Aircraft Company 172D ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172E ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172F (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172G ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172H (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172I ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172K ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172L ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172M ([TCDS 3A12](https://openairdocs.org/tcds/3A12))

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (1)

- May 13, 1997: Issued, Current. [certificate](https://openairdocs.org/files/sha256/9c/0e/9c0e2df6d23567ec91384965df05d2808d0f9d730a854be7fd15a14bb5cfbfc7)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.