# STC SA420NW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Renton Aviation Inc, United States
- Description: Installation of cargo pac (Reference Drawing Number 0700067) and Pee Kay Ventral Fin with Pee Kay Seaplane Floats
- Applied: March 7, 1977
- Status date: March 17, 1977
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 3A24](https://openairdocs.org/tcds/3A24)
- Certificate PDF: https://openairdocs.org/files/sha256/18/32/18320014d34aacfe2c5c4ca3223a992a84aee84851135010a1809c20bb016f29
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A6617ECF1CF2A84F85256CC2000E3A7C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA420NW

## ADs that name it (0)

None.

## Approved models (2)

- Cessna Aircraft Company A185E ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- Cessna Aircraft Company A185F ([TCDS 3A24](https://openairdocs.org/tcds/3A24))

## What the certificate says

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

## Every issue (1)

- March 17, 1977: Issued, Current. [certificate](https://openairdocs.org/files/sha256/18/32/18320014d34aacfe2c5c4ca3223a992a84aee84851135010a1809c20bb016f29)

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