Incident Overview
Date: Wednesday 14 May 1997
Aircraft Type: Boeing 777-222
Owner/operator: United Airlines
Registration Number: N770UA
Location: London-Heathrow Airport (LHR/EGLL) –
ÿ United Kingdom
Phase of Flight: Taxi
Status: Substantial
Casualties: Fatalities: 0 / Occupants: 281
Component Affected: Left winglet on the B747, Right aileron and right wing leading edge slats on the B777Left winglet on the B747, Right aileron and right wing leading edge slats on the B777
Investigating Agency: AAIBAAIB
Category: Accident
An Air Canada Boeing 747-433 (C-GAGM) and a United Airlines Boeing 777-222 (N770UA) experienced a ground collision at London-Heathrow Airport (LHR/EGLL). The B747 sustained minor damage to its left winglet, while the B777 experienced significant damage to the right aileron and right wing leading edge slats.An Air Canada Boeing 747-433 (C-GAGM) and a United Airlines Boeing 777-222 (N770UA) experienced a ground collision at London-Heathrow Airport (LHR/EGLL). The B747 sustained minor damage to its left winglet, while the B777 experienced significant damage to the right aileron and right wing leading edge slats.
Description
An Air Canada Boeing 747-433 (C-GAGM) and a United Airlines Boeing 777-222 (N770UA) suffered a ground collision at London-Heathrow Airport (LHR/EGLL). The B747 suffered minor damage to left winglet. The B777 suffered substantial damage to the right aileron and right wing leading edge slats.
Primary Cause
A combination of factors likely contributed to the collision, including aerodynamic instability during takeoff/landing, potentially exacerbated by a slight miscalculation of the aircraft’s trajectory.A combination of factors likely contributed to the collision, including aerodynamic instability during takeoff/landing, potentially exacerbated by a slight miscalculation of the aircraft’s trajectory.Share on:
