Tail CardsExplore / Helio / Helio H-391B
N173K trading card
Ultra Rare Helio H-391B, one of 16 registered in the US.
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N173K is a Helio H-391B of unknown build year, registered in the United States. It is one of 16 of its model registered in the United States, so its card is ultra rare. Power comes from LYCOMING GO-435. 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 | Single-Engine, Piston |
|---|---|
| Serial | 074 |
| Engine | LYCOMING GO-435 |
| Power | 210 hp |
| Seats | 4 |
| Cruise | 117 mph |
| Weight class | Under 12,500 lb |
| Mode S code | A12533 |
| 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.