# STC SB790NE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Ronald T. DiGiovanni, United States
- Description: Installation of an Aerostat Envelope, Model W-140-3 replacement envelope (3 point system).
- Status date: September 10, 2001
- Product: Aircraft, Balloon
- Certification basis: Part 21
- Data sheets: [TCDS A14SO](https://openairdocs.org/tcds/A14SO)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5CC86D11B6539B7685256CC2005A7374.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SB790NE

## ADs that name it (0)

None.

## Approved models (6)

- Conn Sidney Firefly 6 ([TCDS A14SO](https://openairdocs.org/tcds/A14SO))
- Conn Sidney Firefly 6B ([TCDS A14SO](https://openairdocs.org/tcds/A14SO))
- Conn Sidney Firefly 7 ([TCDS A14SO](https://openairdocs.org/tcds/A14SO))
- Conn Sidney Firefly 7B ([TCDS A14SO](https://openairdocs.org/tcds/A14SO))
- Conn Sidney Firefly 8-24 ([TCDS A14SO](https://openairdocs.org/tcds/A14SO))
- Conn Sidney Firefly 8B ([TCDS A14SO](https://openairdocs.org/tcds/A14SO))

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