# STC SA4886NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: ACSS (Aviation Communication and Surveillance Syst, United States
- Description: Installation of Honeywell vertical speed indicator/traffic resolution advisory (VSI/TRA) display.
- Status date: February 28, 2002
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F2A26A71B09D667385256CC2000E3F5F.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4886NM

## ADs that name it (0)

None.

## Approved models (8)

- The Boeing Company 747-100 Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-100B SUD Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-100B Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-200B Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-200C Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-200F Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-300 Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747SP Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))

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