# STC ST403CH

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: ElectroSonics Div of AiRadio Corporation, United States
- Description: Installation of a Fairchild F800 or F1000 digital flight data recorder.
- Status date: June 24, 1996
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 6A6](https://openairdocs.org/tcds/6A6)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/50B5F9808FEDF16C85256CC300035FF7.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST403CH

## ADs that name it (0)

None.

## Approved models (1)

- Tracor Flight Systems Inc. 440 Military C-131E ([TCDS 6A6](https://openairdocs.org/tcds/6A6))

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