The cause of the crash is still uncertain, though there are several explanations. The plane's old age, a possible terrorist bomb, engine failure, and being struck by a military projectile are all possibilities.
華航飛機失事原因目前尚無法判定，飛機老舊導致金屬疲乏、恐怖份子放置爆裂物、機械故障、遭火砲誤擊等因素皆有可能。