Supplemental type certificate · Viitala William Thomas
- Holder
- Viitala William Thomas · United States
- Status
- Current · Issued
- Status date
- December 12, 1991
- Product
- Aircraft · Balloon
- Certification basis
- Part 21
From FAA DRS. DRS record last changed December 5, 2025.
What it approves
Replace suspension cables with Finn-Bilt Ltd. suspension cableKit No. 119 (Firefly 5, 6B, 7B), Kit No. 219 (Firefly 6, 7B, 8B), Kit No. 319 (Firefly 8), or Kit No. 419 (Firefly 9).
ADs that name this STC · 0
An AD can apply because an STC is installed, or mention one in its text.
No AD in this release names this STC Approved models · 8
| Make | Model | Data sheet |
|---|
| Conn Sidney | Firefly 5 | A14SO |
| Conn Sidney | Firefly 6 | A14SO |
| Conn Sidney | Firefly 6B | A14SO |
| Conn Sidney | Firefly 7 | A14SO |
| Conn Sidney | Firefly 7B | A14SO |
| Conn Sidney | Firefly 8 | A14SO |
| Conn Sidney | Firefly 8B | A14SO |
| Conn Sidney | Firefly 9 | A14SO |