# STC SA2503SO

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: AeroServ Intl Inc, United States
- Description: Installation of a Single Collins High Frequency AN/ARC-190 Communication System.
- Status date: April 21, 1989
- 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/4940A45B3146914885256CC200015F1B.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2503SO

## ADs that name it (0)

None.

## Approved models (1)

- McDonnell Douglas Corporation DC-9-30 Series ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))

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