ASN Wikibase Occurrence # 134748
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| Date: | Friday 6 September 2002 |
| Time: | 12:00 |
| Type: |  Velocity XL RG |
| Owner/operator: | Private |
| Registration: | N394BL |
| MSN: | RX-050 |
| Total airframe hrs: | 28 hours |
| Engine model: | Lycoming IO-540-EXP |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Fresno, CA -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Apple Valley, CA (KAPV) |
| Fresno, CA (Q60) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that while descending in preparation for landing, he noticed an unusual sound from the engine and noted a loss of oil pressure, followed by a loud thud, a vibration, and a total loss of engine power. A forced landing was made to an open field. After the aircraft came to a stop and the pilot and passenger exited the aircraft, smoke and fire was noted coming from the engine area. Attempts to extinguish the fire were unsuccessful. The aircraft was consumed by the fire and destroyed. A witness reported observing the aircraft fly over his location when he heard a loud bang and debris was seen falling from the aircraft. Later, two propeller blades and the lower engine cowl were located in fields near the witnesses location. Examination of the cowling revealed heat distress near the right side, starting at the opening for the exhaust stack and emenating aft. An unusual amount of oil was noted on the inside of the cowling and a thin coat of oil was noted on the outside. The two propeller blades were also coated with a thin layer of oil. During the engine examination, it was found that the exhaust system was cracked at the welds at both exhaust outlets with the left side exhaust outlet missing just aft of the number six cylinder riser. Further inspection of the exhaust riser identified two additional cracks. No other mechanical failures or malfunctions were noted during the engine examination.
Probable Cause: An in-flight exhaust stack separation during descent for landing resulting in loss of engine power and a forced landing to an open field.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20020916X01616&key=1
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-Dec-2016 19:26 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 09-Dec-2017 17:49 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative, Plane category] |
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