Tail CardsExplore / Helio / Helio HST-550
N550TG trading card
Legendary 1964 Helio HST-550, one of 1 registered in the US.
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N550TG is a Helio HST-550 built in 1964, registered in the United States. It is the only one of its model on the registry, which makes its card legendary. Power comes from P&W CANADA PT6A-60A. It seats 10. 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, Turboprop |
|---|---|
| Built | 1964 |
| Serial | 001 |
| Engine | P&W CANADA PT6A-60A |
| Power | 1,050 hp |
| Seats | 10 |
| Cruise | 150 mph |
| Weight class | Under 12,500 lb |
| Airworthy since | Oct 28, 1976 |
| Mode S code | A7011B |
| 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.