# STC SA8596SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Floats & Fuel Cells, United States
- Description: Installation of left (right) hand forward inboard fuel tank bladder cells, P/N DF304-1 (2) as a replacement for original bladders, P/N 5630304-1 (-2).
- Status date: July 31, 2002
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 2A4](https://openairdocs.org/tcds/2A4)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3BE3CBF6A35903A485256CC20058E849.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA8596SW

## ADs that name it (0)

None.

## Approved models (4)

- Twin Commander Aircraft Corporation 685 ([TCDS 2A4](https://openairdocs.org/tcds/2A4))
- Twin Commander Aircraft Corporation 690 ([TCDS 2A4](https://openairdocs.org/tcds/2A4))
- Twin Commander Aircraft Corporation 690A ([TCDS 2A4](https://openairdocs.org/tcds/2A4))
- Twin Commander Aircraft Corporation 690B ([TCDS 2A4](https://openairdocs.org/tcds/2A4))

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