Lahore International Airport
Aircraft Accident/Incident Report

Lahore Pakistan
Thursday, May 5, 2011 16:20 UTC

NTSB Narrative Summary Released at Completion of Accident

On May 5, 2011, at 16:20 UTC, a Saudi Arabian Airlines Boeing 747-300 airplane, registration HZ-AIR, that was equipped with Rolls-Royce RB211-524 engines, had the No. 4 engine make an uncommanded increase to full power as the crew started to advance the throttles to taxi for takeoff at Allama Iqbal International Airport (LHE), Lahore, Pakistan. The flight crew shut down the engine by placing the No. 4 engine's fuel switch to cut off. The airplane returned to the ramp without further incident The investigation is being conducted by the General Authority of Civil Aviation of the Kingdom of Saudi Arabia. The NTSB has appointed an Accredited Representative to assist with the investigation under the provisions of ICAO Annex 13 as the State of Manufacture and Design of the airplane. All requests for information should be directed to: General Authority of Civil Aviation Safety Department P.O. Box 887, Jeddah, 21421 Kingdom of Saudi Arabia Phone: +966-2-685-5509

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Incident
Event Date 5/5/2011
Event Day of the Week Thursday
Time of Event 1620
Event Time Zone Coordinated Universal Time? Same as GMT
Event City Lahore
Event State --
Event Country PAKISTAN
Zipcode of the event site --
Event Date Year 2011
Event Date Month 5
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude --
Event Location Longitude --
Event Location Airport Lahore International
Event Location Nearest Airport ID LHE
Indicates whether the acc/inc occurred off or on an 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 --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal --
Injury Total Minor --
Injury Total None 18
Injury Total Serious --
Injury Total All --
Investigating Agency Foreign
NTSB Docket Number (internal use) --
NTSB Notification Source Saudi Arabian General Authorit
NTSB Notification Date --
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Jun 1 2011 11:30AM
User who most recently changed record hooj
Basic weather conditions --
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number --
NTSB Number ENG11WA031
Missing Aircraft Indicator --
Federal Aviation Reg. Part Non-U.S., Commercial
Type of Flight Plan filed IFR
Flight plan Was Activated? Yes
Damage None
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name BOEING
Aircraft Model 747
Aircraft Series Identifier 300
Aircraft Serial Number 23269
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 Unknown
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
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 --
Operator City --
Operator State --
Operator Country USA
Operator Zip code --
Operator Code SAFF
Owner has at least one certificate Yes - certificate holder
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation --
Operator Certificate Number SAFF977H
Indicates whether an air carrier operation was scheduled or not Scheduled
Indicates Domestic or International Flight International
Operator carrying Pax/Cargo/Mail Passenger Only
Type of Flying (Per_Bus / Primary) --
Second Pilot on Board Yes
Departure Point Same as Event Yes
Departure Airport Code LHE
Departure City Lahore
Departure State --
Departure Country PK
Departure Time --
Departure Time Zone UTC
Destination Same as Local Flt --
Destination Airport Code RUH
Destination City Riyadh
Destination State --
Destination Country SA
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record May 31 2011 3:02PM
User who most recently changed record hooj
Since inspection or accident --
Event Location Runway Number and Location N/A
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --