# STC SE20WE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Resistoflex Corporation, United States
- Description: Flexible hose assemblies.
- Status date: January 1, 1960
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E-283](https://openairdocs.org/tcds/E-283)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4FD42505E3702BB6862570D20065F50C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE20WE

## ADs that name it (0)

None.

## Approved models (4)

- Rolls-Royce Corporation Dart 506 ([TCDS E-283](https://openairdocs.org/tcds/E-283))
- Rolls-Royce Corporation Dart 510 ([TCDS E-283](https://openairdocs.org/tcds/E-283))
- Rolls-Royce Corporation Dart 511 ([TCDS E-283](https://openairdocs.org/tcds/E-283))
- Rolls-Royce Corporation Dart 514 ([TCDS E-283](https://openairdocs.org/tcds/E-283))

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