# STC ST1048NW

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Kown Bruce, United States
- Description: Installation of a Franklin 6A-335-B engine, McCauley 2A31C21/84S-4 to -8 propeller, and associated systems; or installation of a Franklin 6A350-C1R or -C2 engine with McCauley 2A31C21/84S-4, or -8 or McCauley 2A34C22/84SF-4, -6, -8, or -10, or McCauley 2A34C201/90DA or Hartzell HC-C2YF-1BF/F8459-4 to -8 or MT-Propeller MTV-12-D/19230D propeller and associated systems.
- Status date: August 21, 2002
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-799](https://openairdocs.org/tcds/A-799)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6700A7F726C324C985256CC300035F17.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST1048NW

## ADs that name it (0)

None.

## Approved models (1)

- The Cessna Aircraft Company 170A ([TCDS A-799](https://openairdocs.org/tcds/A-799))

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