# STC SA1647CE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Avcon Division/Butler National Corporation, United States
- Description: Installation of Litton LTN-72 or LTN-76 inertial navigation system.
- Status date: July 5, 1983
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A24CE](https://openairdocs.org/tcds/A24CE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7A6906C20F9FD8CB85256CC1008214F5.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1647CE

## ADs that name it (0)

None.

## Approved models (4)

- Raytheon Aircraft Company 200 (A100-1 (U-21J)) ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))
- Raytheon Aircraft Company 200T ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))
- Raytheon Aircraft Company A200 (C-12A) ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))
- Raytheon Aircraft Company A200 (C-12C) ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))

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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.