# STC SA01925AT

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Mechanical Systems Inc, United States
- Description: Data pertaining to this modification is considered inadequate for duplication in other aircraft.  Limited to installation made on model F260, serial number 105.  Installation of Lycoming model IO-540-D4A5 engine with turbonormalization system installed with STC SE01949AT.
- Applied: September 7, 1993
- Status date: January 24, 2001
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A10EU](https://openairdocs.org/tcds/A10EU)
- Certificate PDF: https://openairdocs.org/files/sha256/37/b6/37b6da9d6143475b3c13a569afd11d880581bcb19361c5cf518e15cfc9cbf18d
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C786072D73C30B4585256CC1007F38CF.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA01925AT

## ADs that name it (1)

- [AD 2002-19-03](https://openairdocs.org/ad/2002-19-03): Crankshaft · Lycoming Engines IO-540-A1A5, IO-540-AA1A5, IO-540-AA1B5 and 81 more. Effective Sep 20, 2002. Named in the applicability

## Approved models (1)

- Aermacchi S.p.A. F.260 ([TCDS A10EU](https://openairdocs.org/tcds/A10EU))

## What the certificate says

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

## Every issue (1)

- January 24, 2001: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/37/b6/37b6da9d6143475b3c13a569afd11d880581bcb19361c5cf518e15cfc9cbf18d)

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