Helio 1960 To 1969 aircraft modelsChoose a model to review its registered fleet, specifications, and aircraft currently offered for sale.H-391 — 2 registeredH-395 — 23 registeredH-395A — 1 registeredH-250 — 13 registeredH-295 — 76 registeredHST-550 — 1 registeredHST-550A — 2 registeredUsaf U-10B — 3 registeredUsaf U-10D — 2 registered