# STC SA491NE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: AID International Inc, United States
- Description: Installation of floor proximity emergency escape path marking system.
- Status date: November 24, 1986
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A43EU](https://openairdocs.org/tcds/A43EU)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/69A0C8469054619A85256CC2000E3FA6.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA491NE

## ADs that name it (0)

None.

## Approved models (1)

- Construcciones Aeronauticas S.A. C-212-CC ([TCDS A43EU](https://openairdocs.org/tcds/A43EU))

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