# STC ST00039WI

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: King's Avionics, Inc, United States
- Description: Installation of a Bendix/King electronic flight instrument system, EFIS-40.
- Applied: November 27, 1993
- Status date: February 17, 1993
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A8EA](https://openairdocs.org/tcds/A8EA)
- Certificate PDF: https://openairdocs.org/files/sha256/04/f0/04f0c6ead9da252463b0056ab017ed68d0ffdde81553449d560c5a317b85941f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/57EB0F5623A6147685256CC2006A6F80.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST00039WI

## ADs that name it (0)

None.

## Approved models (1)

- The New Piper Aircraft Inc. PA-31T1 ([TCDS A8EA](https://openairdocs.org/tcds/A8EA))

## What the certificate says

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

## Every issue (1)

- February 17, 1993: Issued, Current. [certificate](https://openairdocs.org/files/sha256/04/f0/04f0c6ead9da252463b0056ab017ed68d0ffdde81553449d560c5a317b85941f)

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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.