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NTSB Report
July 18, 1990 · Boeing 727-223 · N6834
Fort Myers, FL
Overview
Report Status
Probable Cause
Event Type
Accident
Date
July 18, 1990
Injury Outcomes
2 injuries (1 serious injury, 1 minor injury), 150 uninjured
Location
Fort Myers, FL
Aircraft
Boeing 727-223
Tail Number
N6834
Operator
American Airlines
Injuries
Serious
NTSB Number
MIA90LA155
AN AMERICAN AIRLINES, BOEING 727-223, WAS IFR AT FLIGHT LEVEL 30,200. THE AIRPLANE WAS 15 NAUTICAL MILES, NORTHWEST OF FORT MYERS, FLORIDA, IN A DESCENT TO MIAMI INTERNATIONAL AIRPORT, MIAMI, FLORIDA, WHEN IT EXPERIENCED AN UNFORECASTED ENCOUNTER WITH WEATHER (SEVER TURBLENCE). THE AIRPLANE WAS NOT DAMAGED. ONE FLIGHT ATTENDANT SUSTAINED SERIOUS INJURY, AND ONE PASSENGER SUSTAINED MINOR INJURIES. THE AIRPLANE ARRIVED AT DESTINATION AIRPORT WITHOUT FIRTHER INCIDENT. ANALYSIS OF THE FLIGHT DATA RECORDER REVEALED THE AIRPLANE WAS SUBJECTED TO A SERIES OF OSCILLATING VERTICAL ('G') LOADS FOR A PERIOD OF 50 SECONDS. THE MAXIMUM G LOAD WAS 1.94, AND THE MINIMUM WAS -0.55.
NTSB Probable Cause
UNFORECASTED ENCOUNTER WITH WEATHER. THE AIRPLANE ENCOUNTERED SEVERE TURBLENCE DURING ENROUTE DESCENT, RESULTING IN ONE FLIGHT ATTENDANT SUSTAINING SERIOUS INJURY, AND ONE PASSENGER SUSTAINING MINOR INJURY.
Full Narrative
AN AMERICAN AIRLINES, BOEING 727-223, WAS IFR AT FLIGHT LEVEL 30,200. THE AIRPLANE WAS 15 NAUTICAL MILES, NORTHWEST OF FORT MYERS, FLORIDA, IN A DESCENT TO MIAMI INTERNATIONAL AIRPORT, MIAMI, FLORIDA, WHEN IT EXPERIENCED AN UNFORECASTED ENCOUNTER WITH WEATHER (SEVER TURBLENCE). THE AIRPLANE WAS NOT DAMAGED. ONE FLIGHT ATTENDANT SUSTAINED SERIOUS INJURY, AND ONE PASSENGER SUSTAINED MINOR INJURIES. THE AIRPLANE ARRIVED AT DESTINATION AIRPORT WITHOUT FIRTHER INCIDENT. ANALYSIS OF THE FLIGHT DATA RECORDER REVEALED THE AIRPLANE WAS SUBJECTED TO A SERIES OF OSCILLATING VERTICAL ('G') LOADS FOR A PERIOD OF 50 SECONDS. THE MAXIMUM G LOAD WAS 1.94, AND THE MINIMUM WAS -0.55.
Flight
Event TypeAccident
Event Time16:48 EDT
Nearest Airport0nm N
Runway0
Runway Length0
Runway Width0
Flight Plan FiledIFR
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftBoeing 727-223
Tail NumberN6834
Aircraft CategoryAir
OperatorAmerican Airlines
Operating RulePart 121
Engines3
Engine TypeTurbofan
Engine DetailsP&W · JT8D-9 · Turbofan · 16000
Seats159
People & Injuries
Injury Summary2 injuries (1 serious injury, 1 minor injury), 150 uninjured
Fatal0
Serious1
Minor1
Uninjured150
Total152
Crew 1Age 40 · First Class
Conditions
ConditionsIMC
LightDaylight
WindCalm
Visibility7 sm
CeilingNone
Altimeter30.00 inHg
Observation Time19:47
Weather SourceWFAC