Hong Kong Intl. Airport
Aircraft Accident/Incident Report

Hong Kong Switzerland
Tuesady, September 21, 2010 9:30 UTC

NTSB Narrative Summary Released at Completion of Accident

On September 21, 2010, 0930 Coordinated Universal Time (UTC), an Air Cargo Germany, a Boeing B-747-412F,registered as D-ACGD, was performing a left turn to line up with Runway 25L for take-off 31C at Hong Kong International Airport. Just before finishing the left turn to line up for take-off, the pilots noticed a loud bang sound followed by a slight tilting of the aircraft to the left. The aircraft was disabled on the runway and subsequent inspection confirmed the failure of the outer cylinder of left main landing gear. There were no injuries among the four crew members on board. The airplane was not substantially damaged. The investigation is under the jurisdiction of the government of China. Further information pertaining to this accident may be obtained from: Civil Aviation Department Accident Investigation Division Hong Kong, China 46/F, Queensway Government Offices 66 Queensway, Hong Kong Tel: (852) 29106821 (24 hours) Fax:(852) 29101177 (24 hours) http://www.cad.gov.hk/english/home.html Email: aid@cad.gov.hk AFTN: VHHHYAYX Cable: 22101 CAXTCN This report is for informational purposes only and contains only information obtained for, or released by, the Government of China.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Incident
Event Date 9/21/2010
Event Day of the Week Tuesday
Time of Event 930
Event Time Zone Coordinated Universal Time? Same as GMT
Event City Hong Kong
Event State --
Event Country SWITZERLAND
Zipcode of the event site --
Event Date Year 2010
Event Date Month 9
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude --
Event Location Longitude --
Event Location Airport Hong Kong Intl. Airport
Event Location Nearest Airport ID HKG
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness --
Investigator's weather source Unknown
Time of the weather observation
Direction of event from weather observation facility (degrees) --
Weather Observation Facility ID --
Elevation of weather observation facility --
Distance of event from weather observation facility (units?) --
Time Zone of the weather observation --
Lighting Conditions --
Lowest Ceiling Height --
Lowest Non-Ceiling Height --
Sky/Lowest/Cloud Conditions --
Sky Condition for Lowest Ceiling --
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) --
Air Temperature at event time (in degrees celsius) --
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) --
Variable Wind Indicator --
Wind Speed (knots) --
Wind Velocity Indicator --
Wind Gust Indicator --
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 4
Injury Total Serious --
Injury Total All --
Investigating Agency Foreign
NTSB Docket Number (internal use) --
NTSB Notification Source Civil Aviation Department
NTSB Notification Date --
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Sep 28 2010 12:35PM
User who most recently changed record broda
Basic weather conditions --
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number --
NTSB Number ENG10WA052
Missing Aircraft Indicator --
Federal Aviation Reg. Part Part 129: Foreign
Type of Flight Plan filed Unknown
Flight plan Was Activated? --
Damage Minor
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name BOEING
Aircraft Model 747
Aircraft Series Identifier 412F
Aircraft Serial Number 24061
Certified Max Gross Weight --
Aircraft Category Airplane
Aircraft Registration Class --
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft --
Number of Engines 4
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection --
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours --
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type Unknown
Aircraft Owner Name --
Aircraft Owner Street Address --
Aircraft Owner City --
Aircraft Owner State --
Aircraft Owner Country USA
Aircraft Owner Zipcode --
Operator is an individual? No
Operator Name --
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address Building 1335
Operator City D-55483 Hahn Airport
Operator State --
Operator Country GE
Operator Zip code --
Operator Code --
Owner has at least one certificate None
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation --
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not Scheduled
Indicates Domestic or International Flight International
Operator carrying Pax/Cargo/Mail Cargo
Type of Flying (Per_Bus / Primary) --
Second Pilot on Board Yes
Departure Point Same as Event No
Departure Airport Code --
Departure City --
Departure State --
Departure Country USA
Departure Time --
Departure Time Zone --
Destination Same as Local Flt --
Destination Airport Code KGF
Destination City Karaganda
Destination State --
Destination Country KZ
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Sep 27 2010 1:03PM
User who most recently changed record defc
Since inspection or accident --
Event Location Runway Number and Location 25L
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --