# STC SA2575WE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: World Associates, Inc, United States
- Description: Installation of observer station in rear seat-baggage compartment area, searchlight and dual speakers in bottom of aft fuselage, windows in baggage compartment area (baggage was removed), and a muffler. (172M NORMAL CATEGORY LANDPLANE ONLY)
- Status date: January 4, 1973
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F0B9414F7E74C7A885256CC200015FFB.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2575WE

## ADs that name it (0)

None.

## Approved models (2)

- The Cessna Aircraft Company 172K ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172M ([TCDS 3A12](https://openairdocs.org/tcds/3A12))

---
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.
