# STC SA5011NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Vision Safe Corporation, United States
- Description: Installation of emergency vision assurance system (EVAS).
- Status date: November 6, 1990
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/51EF327D3241B9C485256CC2001225FB.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA5011NM

## ADs that name it (0)

None.

## Approved models (2)

- McDonnell Douglas Corporation DC-9 Series ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- McDonnell Douglas Corporation MD-88 ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))

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