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Accidents · NTSB MIA93IA168 · Final report

Boeing 707-341 incident near Miami, Florida, August 2, 1993

On August 2, 1993 at about 10:41 pm local time, a Boeing 707-341, registered N107BV, suffered minor damage in an incident near Miami, Florida (Miami International airport). It was a flight of an unrecorded kind under foreign airline rules (Part 129). No one was hurt; 3 people were on board or involved. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

THE IMPROPER INSPECTION OF THE ENGINE CORE COWLING, WHICH RESULTED IN FATIGUE CRACKS IN THE FORWARD INBOARD HINGE SUPPORT STRUCTURE TO GO UNDETECTED. THIS RESULTED IN THE HINGE SEPARATING AND THE COWLING SEPARATING IN FLIGHT.

Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.

What the record shows

Date
August 2, 1993 · about 10:41 pm local time
Place
Miami, Florida · Miami International
Type
Incident
Injuries
No one was hurt; 3 people were on board or involved.
Weather
visual conditions (good weather)
Aircraft
Boeing 707-341 · all 707-341s on the register
Registration
N107BV · no longer on the register · serial 19321
Damage
Minor damage
Flight
Flight of an unrecorded kind · foreign airline rules (Part 129)

The NTSB's narrative final · quoted from the NTSB record

FLIGHT EXPERIENCED LOSS OF THE NUMBER ONE ENGINE CORE COWLING SHORTLY AFTER LIFTOFF. METALLURGICAL EXAMINATION OF THE SEPARATED COWLING INDICATED THE INBOARD FORWARD COWLING HINGE SUPPORT STRUCTURE HAD FAILED DUE TO FATIGUE. THIS ALLOWED THE COWLING TO OPEN AND THEN SEPARATE FROM THE ENGINE. THE HINGE REMAINED IN PLACE ON THE AIRCRAFT AFTER THE COWLING SEPARATED. THE MANUFACTURER OF THE COWLING, WHICH IS PART OF AN ENGINE HUSH KIT, REQUIRES THE HINGE SUPPORT STRUCTURE BE INSPECTED FOR CRACKS EACH 300 FLIGHT HOURS.

The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.

The factual record from the NTSB's investigation tables, in plain English

Pilot

  • Certificate: airline transport pilot
  • Ratings: multi-engine land; instrument: airplane
  • Medical certificate: None
  • Seat: left

The aircraft

  • Airframe total time: 9,784 hours
  • Last inspection: continuous airworthiness programme, August 2, 1993; 0 hours since
  • Maximum gross weight: 328,000 lb
  • Seats: 7
  • Landing gear: retractable
  • Engine: P&W JT3D-7 (turbofan); 0 hours total
  • Operator: Fast Air Carrier LTD

The flight

  • Departed from: MIA at 10:41 pm
  • Destination: SPIM Lima OF
  • Flight plan: IFR
  • Runway 9R, 13,000 ft by 150 ft
  • A second pilot was aboard

Weather at the time

  • Light: daylight
  • Wind: from 300° at 13 knots
  • Visibility: 7 statute miles
  • Temperature: 88°F (31°C), dew point 73°F (23°C)
  • Altimeter: 30.00 inHg
  • Observation at 10:50 pm from MIA, 1 miles away

Injuries

FatalSeriousMinorNone
Crew3

Documents from the investigation the NTSB's docket: the evidence folder behind the report

The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.

Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.