# NTSB MIA93IA030: Boeing 727-225A, N804MA, Miami, FL, December 17, 1992

- Type: NTSB incident investigation
- Classification: Incident · Minor injuries · Incident investigation · Final report
- Date: December 17, 1992, 15:15 local (20:15 UTC)
- Place: Miami, FL
- Coordinates: 25.780929, -80.300971 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=25.7809&lon=-80.3010&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor, 78 uninjured
- Status: Completed, report August 30, 1993
- Report: Approved by Office Director
- NTSB case key (mKey): 33181
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA93IA030
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/33181/pdf
- Page: https://openairdocs.org/ntsb/MIA93IA030

## Probable cause

THE FAILURE OF THE WINDOW PANE FOR UNDETERMINED REASONS.

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Decompression, descent - normal
  - window,cabin - separation (cause)
  - window,cabin - undetermined (cause)

## 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.

## Aircraft

- Registration: [N804MA](https://openairdocs.org/deregistered/N804MA-2003-08-21), registration cancelled 2003-08-21, S/N 22435, built 1980 (OpenAirDocs)
- Reported make and model: BOEING 727-225A
- Registry model: [Boeing 727-225](https://openairdocs.org/model/boeing-727-225) (registry code 1384077) (OpenAirDocs)
- Registry engine: [Pratt & Whitney JT8D-15](https://openairdocs.org/engine/pratt-whitney-jt8d-15) (registry code 52051, turbo-fan) (OpenAirDocs)
- Category: Airplane
- Serial number: 22435
- Airframe hours: 31632
- Engines: P&W JT8D 15A 15500 horsepower turbo jet
- Damage: Minor damage
- Flight: Part 121
- Operator: Miami Air International,  Inc.
- Registered owner: Miami Air International,  Inc.
- Airworthiness certificate: Standard, Transport
- Last inspection: Continuous airworthiness, October 25, 1992, 220 hours before
- Departed: VLN, VALENCIA, OF
- Flight plan: IFR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 42; airline transport; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; seat: left; flight hours: 7,774 total, 862 in this make and model, 4,141 as pilot in command, 128 in the last 90 days, 54 in the last 30 days, 10 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 120° at 4 knots
- Visibility: 7 statute miles
- Lowest ceiling: 4,000 ft broken
- Temperature: 79 °F, dew point 61 °F
- Altimeter: 30.00 inHg
- Observed at: MIA, 30 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 (OpenAirDocs).

- [Incident 19921217053099I](https://openairdocs.org/incident/19921217053099I), Dec 17, 1992: Boeing 727225, Miami, FL, Minor damage. Lost pressure on descent. Emergency descent. Landed safely. Passenger window blew out. Second occurance in a week.

## Other investigations on N804MA (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB LAX99IA072](https://openairdocs.org/ntsb/LAX99IA072), Jan 5, 1999: Boeing 727-225A (N804MA), Phoenix, AZ, incident, minor damage. Probable cause: The failure of the ground handling personnel to properly secure the aft cargo door following the loading of the late arriving baggage. A factor in the incident was an intermittent cargo door warning…

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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