MIA90LA155

NTSB accident investigation · Boeing 727-223 · Fort Myers, FL · July 18, 1990

Accident · Serious injuriesLimited investigationFinal report
Date
July 18, 1990, 16:48 local (20:48 UTC)
Place
Fort Myers, FL
Injuries
1 serious, 1 minor, 150 uninjured
Damage
No damage
Phase of flight
Enroute
Aircraft
N6834Boeing 727-223
Weather
Instrument (IMC) · Day
Status
Completed · report September 28, 1992
Report
Approved by Office Director
FAA report
19900718032869A
Case key
32682

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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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.

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

In flight encounter with weatherDescent - normal
Weather condition - turbulenceCause

Analysis

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.

Aircraft

Registration
N6834
Reported as
Boeing 727-223
Category
Airplane
Airframe hours
59,063
Engine
P&W JT8D-9, 16,000 lbs thrust, turbo fan
Damage
No damage
Flight
Part 121
Operator
American Airlines, Inc.
Registered owner
American Airlines Inc
Airworthiness certificate
Standard, Transport
Departed
DFW · Dallas, TX
Destination
MIA · Miami, FL
Flight plan
IFR

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
40
Certificate
Airline transport
Airplane ratings
Multi-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
4,500 total · 573 in this make and model · 93 in the last 90 days · 2 in the last 24 hours

Weather

Conditions
Instrument (IMC) · Day
Visibility
7 statute miles
Temperature
75 °F, dew point 73 °F
Altimeter
30.00 inHg
Observed at
FMY, 115 nm away

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.

Other investigations on N6834 · 1

Matched to the same aircraft by N-number and date.