Aircraft Accident/Incident Report

Beatty, Nevada 89003
Thursday, September 16, 1999 21:47 PDT

NTSB Narrative Summary Released at Completion of Accident

While descending toward the destination airport, the pilot was deviating around thunderstorms and using his airborne radar to identify severe cells. It was a dark night and he was unable to make visual contact with the severe weather. The captain turned on the seat belt sign 45 minutes before the accident due to 'light chop' that he had encountered earlier in the flight. He made a PA announcement in which he told the passengers to return to their seats and to fasten their seat belts. About 20 minutes prior to the accident, he directed the flight attendants to suspend service and to secure the cabin. Once again, he made a PA announcement advising passengers of the increased chance of turbulence during the remainder of the flight. The aircraft encountered turbulence that lasted a few seconds with one large 'bump' that was accompanied by a sudden altitude gain that lasted a couple of seconds. After the event, flight attendants reported injuries to several passengers. According to the flight attendants, one or more of the injured passengers were out of the seats at the time of the turbulence encounter.

NTSB Probable Cause Narrative

the failure of the injured passengers to remain seated with their seat belts fastened as directed by the captain.

Event Information

Type of Event Accident
Event Date 9/16/1999
Event Day of the Week Thursday
Time of Event 2147
Event Time Zone Pacific Daylight Time
Event City BEATTY
Event State NEVADA
Event Country --
Zipcode of the event site 89003
Event Date Year 1999
Event Date Month 9
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude --
Event Location Longitude --
Event Location Airport
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness Full
Investigator's weather source Weather Observation Facility
Time of the weather observation 2056 Pacific Daylight Time
Direction of event from weather observation facility (degrees) 120
Weather Observation Facility ID LAS
Elevation of weather observation facility 2179
Distance of event from weather observation facility (units?) 110
Time Zone of the weather observation PDT
Lighting Conditions Night/Bright
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 10000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 26
Dew Point at event time (in degress fahrenheit) 11
Wind Direction (degrees magnetic) 320
Variable Wind Indicator Unknown
Wind Speed (knots) 7
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Serious
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor 10
Injury Total None 128
Injury Total Serious 1
Injury Total All 11
Investigating Agency NTSB
NTSB Docket Number (internal use) 1826
NTSB Notification Source --
NTSB Notification Date Sep 30 1999 12:00AM
NTSB Notification Time 1550
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record May 5 2001 4:05AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N628AW
NTSB Number LAX99LA323
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 121: Air Carrier
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage None
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name Airbus Industrie
Aircraft Model A-320-231
Aircraft Series Identifier A320-231
Aircraft Serial Number 067
Certified Max Gross Weight 164569
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 156
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Continuous Airworthiness
Date of Last Inspection Aug 17 1999 12:00AM
Airframe hours since last inspection 374
Airframe Hours 31622
ELT Installed Unknown
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name WILMINGTON TRUST COMPANY, TRUS
Aircraft Owner Street Address RODNEY SQUARE NORTH
Aircraft Owner City WILMINGTON
Aircraft Owner State DE
Aircraft Owner Country
Aircraft Owner Zipcode 19898
Operator is an individual? --
Operator Name AMERICA WEST AIRLINES, INC.
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 4000 EAST SKY HARBOR BOULEVARD
Operator City PHOENIX
Operator State AZ
Operator Country
Operator Zip code 85034
Operator Code AWXA
Owner has at least one certificate Yes - certificate holder
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not Scheduled
Indicates Domestic or International Flight Domestic
Operator carrying Pax/Cargo/Mail Passenger Only
Type of Flying (Per_Bus / Primary) Unknown
Second Pilot on Board Yes
Departure Point Same as Event No
Departure Airport Code SEA
Departure City SEATTLE
Departure State WA
Departure Country
Departure Time 1955
Departure Time Zone PDT
Destination Same as Local Flt --
Destination Airport Code LAS
Destination City LAS VEGAS
Destination State NV
Destination Country
Specific Phase of Flight Descent
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Sep 28 2001 1:03PM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --