# STC SA2564NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: CFC Aviation Co, LLC, United States
- Description: Installation of one or more Universal Navigation Flight Management Systems (UNS-1) navigation management systems or a mix thereof (UNS-1/UNS-1A or UNS-ljr/UNS-1Ajr) with inputs from various navigation sensors (INS, IRS, Omega/VLF, Loran C, DME, VOR, etc.)
- Status date: December 20, 1994
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A12EA](https://openairdocs.org/tcds/A12EA)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/21647B883D66EE6885256CC200015FD9.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2564NM

## ADs that name it (0)

None.

## Approved models (2)

- Gulfstream Aerospace Corporation G-1159 ([TCDS A12EA](https://openairdocs.org/tcds/A12EA))
- Gulfstream Aerospace Corporation G-1159B ([TCDS A12EA](https://openairdocs.org/tcds/A12EA))

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