ASN Wikibase Occurrence # 36856
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| Date: | Thursday 11 September 1997 |
| Time: | 08:01 |
| Type: |  Mooney M20F |
| Owner/operator: | B J Aviation Inc |
| Registration: | N6417Q |
| MSN: | 670496 |
| Total airframe hrs: | 4805 hours |
| Engine model: | Lycoming IO-360-A3B6 |
| Fatalities: | Fatalities: 1 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Coral Springs, FL -
 United States of America
|
| Phase: | En route |
| Nature: | Executive |
| Departure airport: | Fort Lauderdale-Executive Airport, FL (FXE/KFXE) |
| Clark Regional Airport, IN (KJVY) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
On September 11, 1997, about 0801 eastern daylight time, a Mooney M20F, N6417Q, registered to B J Aviation, Inc., crashed into a pond near Coral Springs, Florida. Visual meteorological conditions prevailed at the time and no flight plan was filed for the 14 CFR Part 91 business flight. The airplane was substantially damaged and the commercial-rated pilot and an unrestrained dog were fatally injured. The passenger sustained serious injuries. The flight originated about 0752 from the Ft. Lauderdale Executive Airport, Ft. Lauderdale, Florida.
The passenger who is a A&P mechanic stated that about 5-10 minutes after takeoff while climbing through 1,000 to 1,500 feet on a northerly heading with the landing gear retracted, he first noted that the oil pressure dropped to zero then returned to the green arc. The airplane was at that time abeam the point where the airplane eventually crashed. The pilot noted this and began orbiting the area. He then heard a loud sound from the engine and while descending with the landing gear extended, the airplane descended into a man-made pond right wing low. The airplane then cartwheeled and sank in about 17-20 feet of water. The passenger exited the airplane out the main cabin door but the pilot did not escape. He was rescued about 12 minutes later but died in a hospital days after the accident. The airplane was recovered and examination of the engine revealed that the No. 3 cylinder connecting rod and piston pin end plugs failed due to fatigue. Also, a particle was found in the oil passage way of the crankshaft for the No. 1 crankpin. The engine was last inspected in accordance with a 100-hour inspection about 39 hours, and 2 months and 10 days earlier. The engine was a factory new engine that was installed on July 21, 1993 in accordance with a Supplemental Type Certificate. Requests were made following the accident to examine the maintenance records; they were not provided. Copies of the maintenance records were first provided to the National Transportation Safety Board 1 year and 11 months after the accident, by the engine manufacturer. The engine manufacturer obtained copies of the maintenance records from an attorney related to the case. The Nos. 3 and 1 cylinder pistons were installed in the opposite cylinders.
Probable Cause: The pilot's misjudging the distance vs. altitude resulting in the collision with the water short of the intended touchdown point of the rough field. Contributing to the accident was the total loss of engine power due to failure of the No. 3 cylinder connecting rod bearing for undetermined reasons and fatigue failure of the No. 3 cylinder connecting rod and piston pin end plugs.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/ntsb/brief.asp?ev_id=20001208X08893
Images:
Photo: NTSB
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:23 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 18-Oct-2022 12:38 | Captain Adam | Updated [Operator, Departure airport, Destination airport, Narrative, Accident report, Photo] |
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