Incident Overview

Date: Thursday 22 June 2000
Aircraft Type: Xian Yunshuji Y-7-100C
Owner/operator: Wuhan Airlines
Registration Number: B-3479
Location: ca 25 km from Wuhan – ÿ China
Phase of Flight: Approach
Status: Destroyed, written off
Casualties: Fatalities: 42 / Occupants: 42
Component Affected: The Yun-7 airliner’s flight control systems and structural integrity were compromised due to the extreme windshear.The Yun-7 airliner’s flight control systems and structural integrity were compromised due to the extreme windshear.
Category: Accident
A Yun-7 airliner, en route from Enshi to Wuhan, experienced a severe weather event during its flight. The aircraft entered an area of poor weather characterized by rain and thunderstorm, resulting in significant windshear. The crew circled Wuhan for approximately 30 minutes to mitigate the storm’s impact. Upon encountering windshear, the plane crashed near Sitai Village, Yongfeng Township, resulting in significant damage and casualties. Seven workers installing generators were killed.A Yun-7 airliner, en route from Enshi to Wuhan, experienced a severe weather event during its flight. The aircraft entered an area of poor weather characterized by rain and thunderstorm, resulting in significant windshear. The crew circled Wuhan for approximately 30 minutes to mitigate the storm’s impact. Upon encountering windshear, the plane crashed near Sitai Village, Yongfeng Township, resulting in significant damage and casualties. Seven workers installing generators were killed.

Description

Wuhan Airlines flight 343 departed Enshi for a flight to Wuhan. The aircraft entered an area of poor weather; rain and thunderstorm with associated windshear. The crew reportedly circled Wuhan for about 30 minutes to wait for the storm to pass. Wuhan’s weather bureau recorded 451 thunderclaps in a 10-minute period as the plane circled. During the approach the first officer proposed to land at an alternate airport, but the captain decided to continue to Wuhan. The plane was caught by windshear and crashed near Sitai Village, Yongfeng Township. Half of the plane plunged into a farmhouse and the other half came to rest on a dike of the Han River. Sitai is located about 20 to 30 kilometers (12 to 18 miles) from Wuhan. Seven workers who were installing generators on a vessel were killed when the plane hit. The Yun-7 airliner had recorded 13,811 safe flight hours and completed 11,724 takeoffs and landings by the end of May, finishing two-thirds of its lifespan.

Primary Cause

Severe weather conditions, specifically windshear, caused by a thunderstorm, resulted in a catastrophic crash.Severe weather conditions, specifically windshear, caused by a thunderstorm, resulted in a catastrophic crash.

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