Circumstances of the TransAsia ATR crash in Magong have yet to become clear but the area has been battered by typhoon activity.
There is no meteorological information for Magong's airport for the scheduled time of the flight, reported to be GE222 from Kaohsiung.
But a weather station at Taichung airport, on the Taiwanese mainland, recorded gusting winds, some in excess of 40kt, as well as thunderstorms on 23 July.
Images from the scene of the accident indicate that the aircraft has come down among buildings, with the turboprop destroyed by the impact.
No detailed information has emerged regarding the precise phase of flight but local reports state that the accident occurred during landing.
Magong has a single runway, designated 02/20, which has a length of around 3,000m (9,800ft).