# STC SA00891AT

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Rounds Don & Chris, United States
- Description: Removal and replacement of aileron-rudder interconnect springs/cables (Model A45 & D45) & removal of elevator down springs in (Model D45 only); (See STC for complete description.)
- Applied: February 12, 2003
- Status date: October 12, 1995
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 5A3](https://openairdocs.org/tcds/5A3)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/FD0A132266EFB68885256CC1007E01BE.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA00891AT

## ADs that name it (0)

None.

## Approved models (2)

- Raytheon Aircraft Company A45 (T-34A) ([TCDS 5A3](https://openairdocs.org/tcds/5A3))
- Raytheon Aircraft Company D45 (T34B) ([TCDS 5A3](https://openairdocs.org/tcds/5A3))

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