# STC SA5023NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Hawaiian Airlines, United States
- Description: Installation of Collins TPR-720 ATC/Mode S transponder.
- Status date: November 30, 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/C310EE92910BE39C85256CC200122616.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA5023NM

## ADs that name it (0)

None.

## Approved models (2)

- McDonnell Douglas Corporation DC-9-10 Series ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- McDonnell Douglas Corporation DC-9-51 ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))

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