# STC SA973CE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: R C Allen Instruments Inc, United States
- Description: Installation of AID battery temperature sensing and over temperature warning system
- Applied: April 11, 1973
- Status date: August 1, 1991
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A8SW](https://openairdocs.org/tcds/A8SW)
- Certificate PDF: https://openairdocs.org/files/sha256/51/48/51486f2391d90557286d61868f199a878dee65f2a364174b7233b6d50a1bf756
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/174D4ED0057FBA288625804C00726D85.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA973CE

## ADs that name it (0)

None.

## Approved models (1)

- Fairchild Aircraft Corporation SA226-TC ([TCDS A8SW](https://openairdocs.org/tcds/A8SW))

## 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/sha256/51/48/51486f2391d90557286d61868f199a878dee65f2a364174b7233b6d50a1bf756)

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From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.