National Transportation Safety Board
Aviation Incident Final Report

 

 

Location:

MIAMI, FL

Incident Number:

MIA93IA030

Date & Time:

12/17/1992, 1515 EST

Registration:

N804MA

Aircraft:

BOEING 727-225A

Aircraft Damage:

Minor

Defining Event:

 

Injuries:

2 Minor, 78 None

Flight Conducted Under:

Part 121: Air Carrier - Scheduled

Analysis

THE AIRPLANE WAS INITIATING ITS DESCENT FROM FL310 WHEN THE WINDOW ADJACENT TO SEAT 29F BLEW OUT. ONE PASSENGER RECEIVED MINOR EAR INJURIES AND ONE PASSENGER'S ARM WAS SUCKED OUT OF THE WINDOW. HE RECEIVED MINOR CUTS AND SCRAPES. NONE OF THE OUTER WINDOW PANE PARTS WERE RECOVERED FOR EXAMINATION TO DETERMINE FAILURES.

Probable Cause and Findings

The National Transportation Safety Board determines the probable cause(s) of this incident to be:
THE FAILURE OF THE WINDOW PANE FOR UNDETERMINED REASONS.

Findings

 

Occurrence #1: DECOMPRESSION
Phase of Operation: DESCENT - NORMAL

Findings
1. (C) WINDOW,CABIN - SEPARATION
2. (C) WINDOW,CABIN - UNDETERMINED

 

Factual Information

 

 

 

 

Pilot Information

Certificate:

Airline Transport

Age:

42, Male

Airplane Rating(s):

Multi-engine Land; Single-engine Land

Seat Occupied:

Left

Other Aircraft Rating(s):

None

Restraint Used:

Seatbelt, Shoulder harness

Instrument Rating(s):

Airplane

Second Pilot Present:

Yes

Instructor Rating(s):

None

Toxicology Performed:

No

Medical Certification:

Class 1 Valid Medical--no waivers/lim.

Last FAA Medical Exam:

08/28/1992

Occupational Pilot:

 

Last Flight Review or Equivalent:

 

Flight Time:

7774 hours (Total, all aircraft), 862 hours (Total, this make and model), 4141 hours (Pilot In Command, all aircraft), 128 hours (Last 90 days, all aircraft), 54 hours (Last 30 days, all aircraft), 10 hours (Last 24 hours, all aircraft)

 

 

Aircraft and Owner/Operator Information

Aircraft Make:

BOEING

Registration:

N804MA

Model/Series:

727-225A 727-225A

Aircraft Category:

Airplane

Year of Manufacture:

 

Amateur Built:

No

Airworthiness Certificate:

Transport

Serial Number:

22435

Landing Gear Type:

Retractable - Tricycle

Seats:

191

Date/Type of Last Inspection:

10/25/1992, Continuous Airworthiness

Certified Max Gross Wt.:

190500 lbs

Time Since Last Inspection:

220 Hours

Engines:

3 Turbo Jet

Airframe Total Time:

31632 Hours

Engine Manufacturer:

P&W

ELT:

Installed, not activated

Engine Model/Series:

JT8D 15A

Registered Owner:

MIAMI AIR INTERNATIONAL,  INC.

Rated Power:

15500 hp

Operator:

MIAMI AIR INTERNATIONAL,  INC.

Operating Certificate(s) Held:

Flag carrier (121)

Operator Does Business As:

 

Operator Designator Code:

MYWA

 

Meteorological Information and Flight Plan

Conditions at Accident Site:

Visual Conditions

Condition of Light:

Day

Observation Facility, Elevation:

MIA, 12 ft msl

Distance from Accident Site:

30 Nautical Miles

Observation Time:

1551 EST

Direction from Accident Site:

25°

Lowest Cloud Condition:

Scattered / 3000 ft agl

Visibility

7 Miles

Lowest Ceiling:

Broken / 4000 ft agl

Visibility (RVR):

0 ft

Wind Speed/Gusts:

4 knots /

Turbulence Type Forecast/Actual:

/

Wind Direction:

120°

Turbulence Severity Forecast/Actual:

/

Altimeter Setting:

30 inches Hg

Temperature/Dew Point:

26°C / 16°C

Precipitation and Obscuration:

 

Departure Point:

VALENCIA, OF (VLN)

Type of Flight Plan Filed:

IFR

Destination:

 

Type of Clearance:

IFR

Departure Time:

1231 EST

Type of Airspace:

Class E

 

 

Wreckage and Impact Information

Crew Injuries:

7 None

Aircraft Damage:

Minor

Passenger Injuries:

2 Minor, 71 None

Aircraft Fire:

None

Ground Injuries:

N/A

Aircraft Explosion:

None

Total Injuries:

2 Minor, 78 None

Latitude, Longitude:

 

 


 


Administrative Information

Investigator In Charge (IIC):

ANDREW     A ALSTON

Report Date:

08/30/1993

Additional Participating Persons:

PEGGY   MARDERS; MIAMI, FL

Publish Date:

 

Investigation Docket:

NTSB accident and incident dockets serve as permanent archival information for the NTSB’s investigations. Dockets released prior to June 1, 2009 are publicly available from the NTSB’s Record Management Division at pubinq@ntsb.gov, or at 800-877-6799. Dockets released after this date are available at http://dms.ntsb.gov/pubdms/.