# STC SA378NE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Georgetown Aircraft Serv, United States
- Description: Installation of dual Sperry magnetic heading ref. system.
- Status date: September 4, 1985
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A20EU](https://openairdocs.org/tcds/A20EU)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2DEFBECF244152EB85256CC2000C5A7D.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA378NE

## ADs that name it (0)

None.

## Approved models (1)

- Fokker Services F.28 Mark 1000 ([TCDS A20EU](https://openairdocs.org/tcds/A20EU))

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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.