# STC SA774SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Apache Modification Aircraft Corporation
- Description: Installation of Franklin 64-350-C1 engines with McCauley 2AF31C10/84SF-8 propeller increase gross weight 3675 lbs. takeoff for Piper Model PA-23, and increase in gross weight to 3992 lbs take-off for Piper model PA-23-160
- Status date: December 27, 1999
- Data sheets: 1A10, 1A10
- Certificate PDF: https://openairdocs.org/files/sha256/75/f0/75f0a1c6b5e5e5ca213c8cbb4e0e67932a870d68fbb3a025c0ea15663da2d7c4
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/93AD5AD308FA818086257A150070DD34.0001
- Page: https://openairdocs.org/stc/SA774SW

## ADs that name it

None.

## Approved models (2)

- Piper Aircraft Inc. PA-23 (TCDS 1A10)
- Piper Aircraft Inc. PA-23-160 (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/sha256/75/f0/75f0a1c6b5e5e5ca213c8cbb4e0e67932a870d68fbb3a025c0ea15663da2d7c4)

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From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.