On 28 December 1999, a Cessna C-208 Caravan (C-FGGG) operated by Seair crashed shortly after takeoff from the Abbotsford International Airport. The aircraft was destroyed and the pilot received serious injuries. Two passengers were also seriously injured and three passengers received minor injuries.[7]
On 22 September 2000, a DHC-2T Turbo Beaver (C-FOES) operated by Seair crashed 18 nautical miles northwest of Clearwater, British Columbia. The two occupants were seriously injured and the aircraft was destroyed.[8]
On 29 November 2009, a DHC-2 Beaver operated by Seair crashed off the coast of Saturna Island. The accident occurred at approximately 4:10 p.m local time. Six passengers (including one infant) died, but the pilot and one other passenger survived.[9][10][11]
On 26 July 2019, a Cessna 208 Caravan (C-GURL) registered to Seair crashed near Addenbroke Island, about 100 km (62 mi) north of Port Hardy. There were nine passengers on board and one pilot. Three passengers and the pilot were killed and five passengers suffered serious injuries.[12][13][14]