# STC SA1173EA

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: PATS Aircraft LLC, United States
- Description: Rework of Solar T-62T-39 APU installed by STC SA674CE when Garrett AiResearch TFE-731-3-1H engines are installed per STC SA3870WE.
- Applied: April 26, 1979
- Status date: May 14, 2004
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A3EU](https://openairdocs.org/tcds/A3EU)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9BD86B5EC718EAA686256F400076BB6B.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1173EA

## ADs that name it (1)

- [AD 89-18-13](https://openairdocs.org/ad/89-18-13): AFM Changes - APU · Textron BAe.125 Series 1000A, BAe.125 Series 1000B, BAe.125 Series 800A and 39 more. Effective Sep 28, 1989. Cited in the text

## Approved models (2)

- Raytheon Aircraft Company BH.125 Series 400A ([TCDS A3EU](https://openairdocs.org/tcds/A3EU))
- Raytheon Aircraft Company DH.125 Series 400A ([TCDS A3EU](https://openairdocs.org/tcds/A3EU))

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