# STC SE2-856

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Bell Helicopter Textron, United States
- Description: American Bosch Induction vibrator VJR24B56X.
- Status date: January 1, 1960
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E-279](https://openairdocs.org/tcds/E-279)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/ABFD69AC245F2691862570D20065F40A.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE2-856

## ADs that name it (0)

None.

## Approved models (1)

- Textron Lycoming AVCO Corporation VO-435 Series ([TCDS E-279](https://openairdocs.org/tcds/E-279))

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