Tail CardsExplore / Thunder Balloons Limited AX7-77
N421MT trading card
Ultra Rare 1979 Thunder Balloons Limited AX7-77, one of 39 registered in the US.
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N421MT is a Thunder Balloons Limited AX7-77 built in 1979, registered in the United States. It is one of 39 of its model registered in the United States, so its card is ultra rare. It seats 4. 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 | 1979 |
| Serial | 180 |
| Seats | 4 |
| Cruise | 22 mph |
| Weight class | Under 12,500 lb |
| Airworthy since | Apr 18, 1979 |
| Mode S code | A5007B |
| 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.