# STC SA811CE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: R C Allen Instruments Inc, United States
- Description: Battery temperature sensing and over-temperature warning systems.
- Applied: October 30, 1971
- Status date: August 1, 1991
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A14CE](https://openairdocs.org/tcds/A14CE)
- Certificate PDF: https://openairdocs.org/files/sha256/c3/4c/c34c73a70b4f7d0cc545517ccaf116df2a2fb8d8b77c84418e741126af0fd167
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/04D10FEB5621B529862580370077AA46.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA811CE

## ADs that name it (0)

None.

## Approved models (4)

- Raytheon Aircraft Company 100 ([TCDS A14CE](https://openairdocs.org/tcds/A14CE))
- Raytheon Aircraft Company 99 ([TCDS A14CE](https://openairdocs.org/tcds/A14CE))
- Raytheon Aircraft Company 99A ([TCDS A14CE](https://openairdocs.org/tcds/A14CE))
- Raytheon Aircraft Company A100 (U-21F) ([TCDS A14CE](https://openairdocs.org/tcds/A14CE))

## What the certificate says

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

## Every issue (1)

- August 1, 1991: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/c3/4c/c34c73a70b4f7d0cc545517ccaf116df2a2fb8d8b77c84418e741126af0fd167)

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