# STC SA1407SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Pan Aviation, Inc, United States
- Description: Installation of dual Canadian Marconi CMA 771 VLF/Omega Navigation System.
- Status date: October 7, 1983
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A3WE](https://openairdocs.org/tcds/A3WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B2A880E62B544A0785256CC100821074.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1407SO

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 727-100 Series ([TCDS A3WE](https://openairdocs.org/tcds/A3WE))

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From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.