# STC SA3974WE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Area Equipment Co Inc, United States
- Description: Installation of Litton LTN-72R area navigation system.
- Status date: July 6, 1979
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A2WE](https://openairdocs.org/tcds/A2WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8D8FA102D9E4BBB585256CC2000C5C2C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3974WE

## ADs that name it (0)

None.

## Approved models (1)

- Sabreliner Corporation NA-265-80 ([TCDS A2WE](https://openairdocs.org/tcds/A2WE))

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