Aircraft Accident/Incident Report

Atlantic Ocean
Friday, October 22, 1993 2:30 ADT

NTSB Narrative Summary Released at Completion of Accident

The Boeing 767-300 was in cruise flight at flight level 350. The weather radar was on and no weather was depicted on the radar screen. The airplane encountered about 15 to 20 seconds of light chop which was followed by moderate turbulence lasting about 30 to 40 seconds. The seat belt sign was turned on, and the flight attendants were contacted to check on the status of the passengers. Initial report from the flight attendants revealed there were no injuries. A subsequent report from the chief purser, revealed three passengers were injured. The flight continued to the destination airport and landed without further incident.

NTSB Probable Cause Narrative

Encounter with unforecasted weather (moderate turblence) resulting in injury to three passengers.

Event Information

Type of Event Accident
Event Date 10/22/1993
Event Day of the Week Friday
Time of Event 230
Event Time Zone Atlantic Daylight Time
Event City ATLANTIC OCEAN
Event State ATLANTIC OCEAN
Event Country --
Zipcode of the event site 00000
Event Date Year 1993
Event Date Month 10
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 Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 250 Eastern Daylight Time
Direction of event from weather observation facility (degrees) 30
Weather Observation Facility ID MIA
Elevation of weather observation facility 11
Distance of event from weather observation facility (units?) 450
Time Zone of the weather observation EDT
Lighting Conditions Night/Dark
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 7
Air Temperature at event time (in degrees celsius) 26
Dew Point at event time (in degress fahrenheit) 23
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
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 2
Injury Total None 105
Injury Total Serious 1
Injury Total All 3
Investigating Agency NTSB
NTSB Docket Number (internal use) 2116
NTSB Notification Source --
NTSB Notification Date Oct 22 1993 12:00AM
NTSB Notification Time 1530
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Mar 20 2003 3:36PM
User who most recently changed record NTSB\ZUZL
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N649UA
NTSB Number MIA94LA010
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 BOEING
Aircraft Model 767-300
Aircraft Series Identifier 767-300
Aircraft Serial Number 25286
Certified Max Gross Weight 400000
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 220
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Continuous Airworthiness
Date of Last Inspection Oct 18 1993 12:00AM
Airframe hours since last inspection 37
Airframe Hours 5832
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name UNITED AIR LINES INC.
Aircraft Owner Street Address P.O. BOX 66100
Aircraft Owner City CHICAGO
Aircraft Owner State IL
Aircraft Owner Country
Aircraft Owner Zipcode 60666
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
Operator Code UALA
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 International
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 SBGL
Departure City RIO DE JANEIRO
Departure State OF
Departure Country
Departure Time 33
Departure Time Zone ADT
Destination Same as Local Flt --
Destination Airport Code KMIA
Destination City MIAMI
Destination State FL
Destination Country
Specific Phase of Flight Cruise
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:30AM
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 --