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N40371 trading card
Ultra Rare 1978 Balloon Works FIREFLY 6B, one of 13 registered in the US.
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N40371 is a Balloon Works FIREFLY 6B built in 1978, registered in the United States. It is one of 13 of its model registered in the United States, so its card is ultra rare. Turn it into a custom trading card with your own photo: we print standard 2.5 by 3.5 inch cards and mail them to you.
| Class | Balloon |
|---|---|
| Built | 1978 |
| Serial | 6738 |
| Cruise | 67 mph |
| Weight class | Under 12,500 lb |
| Mode S code | A4BB2D |
| Registration | Valid |
Details as of 2026-10-23. Is this your aircraft and you would rather it not appear here? Ask us to remove it.