# STC SA598SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Apache Modification Aircraft Corporation, United States
- Description: Installation of wheel well doors.
- Applied: December 20, 1965
- Status date: December 27, 1999
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A10](https://openairdocs.org/tcds/1A10)
- Certificate PDF: https://openairdocs.org/files/sha256/0e/28/0e283c9ada63a675465b8ada77172882feafeaceca3f86a1b58d4e334a2e943b
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C1C0F6129A68263086257A1500701966.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA598SW

## ADs that name it (1)

- [AD 71-18-03](https://openairdocs.org/ad/71-18-03): Left Nose Wheel Door Hinge · Wheel well doors (Apache Modification STC SA598SW). Effective Sep 2, 1971. Named in the applicability

## Approved models (4)

- Piper Aircraft Inc. PA-23 ([TCDS 1A10](https://openairdocs.org/tcds/1A10))
- Piper Aircraft Inc. PA-23-160 ([TCDS 1A10](https://openairdocs.org/tcds/1A10))
- Piper Aircraft Inc. PA-23-235 ([TCDS 1A10](https://openairdocs.org/tcds/1A10))
- Piper Aircraft Inc. PA-23-250 ([TCDS 1A10](https://openairdocs.org/tcds/1A10))

## What the certificate says

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

## Every issue (1)

- December 27, 1999: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/0e/28/0e283c9ada63a675465b8ada77172882feafeaceca3f86a1b58d4e334a2e943b)

---
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.