# STC SA1417SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: National Flight Services, Inc, United States
- Description: Installation of two Garrett model TPE331-6-252L turboprop engines and two Hartzell model HC-B3TN-5C/T1O178HB-13R propellers.
- Applied: September 10, 1982
- Status date: August 24, 1994
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A5SW](https://openairdocs.org/tcds/A5SW)
- Certificate PDF: https://openairdocs.org/files/sha256/52/d5/52d56d3e107c57c08c64c37b1377e24ef5a11fca9d29102cd9ab8c045efd31f0
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9B20FD6FC2D7D4F285256CC100821096.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1417SO

## ADs that name it (0)

None.

## Approved models (1)

- M7 Aerospace LLC SA26-T ([TCDS A5SW](https://openairdocs.org/tcds/A5SW))

## What the certificate says

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

## Every issue (1)

- August 24, 1994: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/52/d5/52d56d3e107c57c08c64c37b1377e24ef5a11fca9d29102cd9ab8c045efd31f0)

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