# STC SA897SO

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Teledyne Battery Products, United States
- Description: Installation of Teledyne P/N BB638/T- Series lead-acid replacement battery.
- Status date: February 24, 1978
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A22CE](https://openairdocs.org/tcds/A22CE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F097FD8D9DEF380E85256CC20058E9C2.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA897SO

## ADs that name it (0)

None.

## Approved models (1)

- The Cessna Aircraft Company 500 Series ([TCDS A22CE](https://openairdocs.org/tcds/A22CE))

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