# STC SA5191NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Honeywell International Inc, United States
- Description: Installation of an AV557D cockpit voice recorder.
- Applied: April 19, 1991
- Status date: January 12, 2022
- Product: Aircraft, Small Airplane
- Certification basis: Part 21, Part 23
- Data sheets: [TCDS 3A20](https://openairdocs.org/tcds/3A20)
- Certificate PDF: https://openairdocs.org/files/sha256/5a/a3/5aa30d46cfe1f7141297c2180299b016591c61c28019158b56027d0576293d29
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/77B35042E2DEE762862587E4004B3B76.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA5191NM

## ADs that name it (0)

None.

## Approved models (1)

- Textron Aviation Inc. C90 ([TCDS 3A20](https://openairdocs.org/tcds/3A20))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 1 of ___

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 2 of ___

## Every issue (2)

- January 12, 2022: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/5a/a3/5aa30d46cfe1f7141297c2180299b016591c61c28019158b56027d0576293d29)
- August 21, 2002: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/84/d2/84d2abe9c0ab0eecb0d4d033c604954af2ab4f51dc679cda7537ea256b7e08d0)

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