An ATR72-500 once landed in Corvo (Azores), on a test flight to SATA.
LPCR (Corvo) - 2600 ft long
It is a small island with less than 500 habitants, so it wouldn't carry many pax on this route. SATA eventualy chose the Q200.
YouTube - Aterragem de ATR 72-500 na Ilha do Corvo