Incident Overview

Date: Friday 18 June 2010
Aircraft Type: Boeing 737-8BK (WL)
Owner/operator: SunExpress
Registration Number: TC-SNM
Location: Praha-Ruzyne International Airport (PRG) – ÿ Czech Republic
Phase of Flight: Taxi
Status: Substantial, repaired
Casualties: Fatalities: 0 / Occupants: 185
Component Affected: Aircraft components, specifically the winglet and horizontal stabilizer of the 737-800.Aircraft components, specifically the winglet and horizontal stabilizer of the 737-800.
Investigating Agency: UZPLNUZPLN
Category: Accident
An Airbus A321-131 operated by Lufthansa (D-AIRT) and a Boeing 737-800 operated by SunExpress (TC-SNM) experienced significant damage following a ground collision in Prague, Czech Republic. The A321 was cleared to taxi to runway 06 via taxiways H, F, and E, with the Boeing 737-800 positioned behind the stop bar. The crew reported readiness at 10:31, and the aircraft was positioned 34.50 meters behind the A320. At 10:38, the right hand winglet of the 737 impacted the left hand horizontal stabilizer of the A321. The top of the winglet broke off, and the tip of the horizontal stabilizer was nearly severed. This incident was likely caused by a failure by the taxiing crew to maintain a safe separation distance from the standing aircraft.An Airbus A321-131 operated by Lufthansa (D-AIRT) and a Boeing 737-800 operated by SunExpress (TC-SNM) experienced significant damage following a ground collision in Prague, Czech Republic. The A321 was cleared to taxi to runway 06 via taxiways H, F, and E, with the Boeing 737-800 positioned behind the stop bar. The crew reported readiness at 10:31, and the aircraft was positioned 34.50 meters behind the A320. At 10:38, the right hand winglet of the 737 impacted the left hand horizontal stabilizer of the A321. The top of the winglet broke off, and the tip of the horizontal stabilizer was nearly severed. This incident was likely caused by a failure by the taxiing crew to maintain a safe separation distance from the standing aircraft.

Description

An Airbus A321-131 operated by Lufthansa (D-AIRT) and a Boeing 737-800 operated by SunExpress (TC-SNM) both sustained substantial damage following a ground collision at Prague, Czech Republic. The A321 was cleared to taxi to runway 06 via taxiways H, F and E for an intersection takeoff. The aircraft was holding 34,50 m behind an Airbus A320 that was holding behind the stop bar. The crew reported ready in sequence at 10:31 hours. At the same time the Boeing 737-800 was cleared to taxi to the beginning of runway 06 via taxiways A1, Z, H, and F. This meant that the 737 had to taxi along taxiway F, passing the taxiway E turnoff were the A321 was standing. At 10:38 the right hand winglet of the 737 impacted the left hand horizontal stabilizer of the A321. The top of the winglet broke off and the tip of the horizontal stabilizer was almost entirely severed. CAUSES: “Human factor failure – the taxiing crew did not keep a safe separation distance of their airplane from the standing one.”

Primary Cause

Human factor failure ? the taxiing crew did not keep a safe separation distance of their airplane from the standing one.Human factor failure ? the taxiing crew did not keep a safe separation distance of their airplane from the standing one.

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