# STC SA3535NM

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Garmin AT Inc., United States
- Description: Installation of the Apollo II Model 612 Loran C navigation system.
- Applied: September 4, 1984
- Status date: December 5, 2003
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A31EU](https://openairdocs.org/tcds/A31EU)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/381F96FD6CD82D5886256E06005CAB5A.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3535NM

## ADs that name it (0)

None.

## Approved models (1)

- Partenavia Costruzioni Aeronauticas S.p.A. P 68C ([TCDS A31EU](https://openairdocs.org/tcds/A31EU))

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