# STC SA6045NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Catalina Flying Boats Inc, United States
- Description: Installation of Pratt & Whitney R-1830-92 or R-1830-90D engines in pairs or intermixed.  Limited to installation on serial number 45-0940 ONLY.
- Applied: July 28, 1993
- Status date: August 6, 1993
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-669](https://openairdocs.org/tcds/A-669)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D658279528790CFB86256DC00069A3D8.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA6045NM

## ADs that name it (0)

None.

## Approved models (1)

- McDonnell Douglas Corporation DC3D-R-1830-90C ([TCDS A-669](https://openairdocs.org/tcds/A-669))

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