# STC SA2078SO

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Federal Express Corp, United States
- Description: This STC certificate represents airworthiness approval of the Litton LTN-92, inertial navigation system.
- Status date: March 24, 1988
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A22WE](https://openairdocs.org/tcds/A22WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C91764B648163B5085256CC10083D5F3.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2078SO

## ADs that name it (0)

None.

## Approved models (2)

- McDonnell Douglas Corporation DC-10-10 ([TCDS A22WE](https://openairdocs.org/tcds/A22WE))
- McDonnell Douglas Corporation DC-10-30 ([TCDS A22WE](https://openairdocs.org/tcds/A22WE))

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