# STC SA1507NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Douglas Aircraft Co, Inc, United States
- Description: Installation of a Litton LTN-211 Omega navigation system.
- Status date: May 1, 1985
- 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/96A5F37771F16A4C85256CC10082123D.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1507NM

## ADs that name it (0)

None.

## Approved models (1)

- McDonnell Douglas Corporation DC-9-81 (MD-81) ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))

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