Air Tractor 1980 To 1989 aircraft modelsChoose a model to review its registered fleet, specifications, and aircraft currently offered for sale.AT-301 — 246 registeredAT-401A — 1 registeredAT-401 — 1 registeredAT-501 — 4 registeredAT-502 — 120 registeredAT-250 — 1 registeredAT-400 — 44 registeredAT-400A — 22 registeredAT-401 — 87 registeredAT-402 — 49 registeredAT-402A — 63 registered