# STC SA573NW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Jerry Burr, United States
- Description: Installation of a Continental O-200-A engine, Sensenich M69CK/6952 propeller, PA-11 engine mount and cowling, PA-11 windshield, PA-18 flaps, PA-18 balanced horizontal tail surfaces, wing leading edge cuff modification kit, and PA-18 fuel system
- Applied: November 18, 1977
- Status date: March 10, 1978
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A-691](https://openairdocs.org/tcds/A-691)
- Certificate PDF: https://openairdocs.org/files/sha256/20/ba/20ba528db51d198c0202999b98035075ccb7e0daa649e0fb566f473759777e36
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DAA789905F4B2E3586257A45006646A5.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA573NW

## ADs that name it (0)

None.

## Approved models (1)

- Piper Aircraft Inc. J3C-65 (Army L-4; L-4A; L-4B (Navy NE-1); L-4H; L-4J (Navy NE-2)) ([TCDS A-691](https://openairdocs.org/tcds/A-691))

## What the certificate says

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

## Every issue (1)

- March 10, 1978: Issued, Current. [certificate](https://openairdocs.org/files/sha256/20/ba/20ba528db51d198c0202999b98035075ccb7e0daa649e0fb566f473759777e36)

---
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.
