# STC SA485SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Todd and Jo Peterson, United States
- Description: For 182H, 182J, 182K, 182L and 182M include (1) Full span double slotted flaps; (2) Drooped wing leading edge; (3) Aileron actuated drag plates; (4) Nose control surface; (5) Elevator down spring alteration; (6) Relocated pitot head. For 182N, 182P, and 182Q include nose control surface only.
- Applied: January 19, 1965
- Status date: July 3, 2001
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A13](https://openairdocs.org/tcds/3A13)
- Certificate PDF: https://openairdocs.org/files/sha256/2f/a0/2fa0e5719de8a4d1aa8fbf1a19d05bb24f61d3f689f509bd7cb3f2003a2d08c7
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0FD0148D4635BC1785256CC2000E3F38.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA485SW

## ADs that name it (1)

- [AD 70-15-18](https://openairdocs.org/ad/70-15-18): Automatic Pilot and Automatic Aileron Stabilizer Instruments · Mitchell Industries Auto Pilot Systems Instruments. Effective Aug 31, 1970. Cited in the text

## Approved models (8)

- The Cessna Aircraft Company 182H ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182J ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182K ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182L ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182M ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182N ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182P ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182Q ([TCDS 3A13](https://openairdocs.org/tcds/3A13))

## What the certificate says

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

## Every issue (1)

- July 3, 2001: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/2f/a0/2fa0e5719de8a4d1aa8fbf1a19d05bb24f61d3f689f509bd7cb3f2003a2d08c7)

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