ASN Wikibase Occurrence # 21628
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| Date: | Monday 7 July 2008 |
| Time: | 17:55 |
| Type: |  Lancair IV-P |
| Owner/operator: | private |
| Registration: | N488SD |
| MSN: | LIV-008 |
| Total airframe hrs: | 378 hours |
| Engine model: | SWA 375 |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | North Perry Airport, Pembroke Pines, FL -
 United States of America
|
| Phase: | Take off |
| Nature: | Private |
| Departure airport: | Hollywood, FL (HWO) |
| Jupiter, FL (FD15) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Witnesses observed the experimental amateur-built airplane rotate about 2,100 feet (ft) down the 3,255-foot-long runway. When the airplane reached an altitude of 150 ft, at the departure end of the runway, there was an interruption of engine power. The airplane was observed to make a left turn and the bank angle increased. The airplane stalled when it reached about 80 degrees of bank, as it was going through a north heading. The airplane went straight down and impacted the ground nose first in a left spiral. A fire soon ensued, which consumed sections of the airplane. Examination of the wreckage did not disclose any evidence of a preimpact failure or malfunction with the airplane’s flight controls that would have prevented normal operation. Examination of the engine did not provide any evidence for the loss of power. Federal Aviation Administration Advisory Circular 61-67C, makes reference to stalls. It states, when the airplane’s load factor increase (i.e., by putting the airplane in a steep turn or spiral) the loads are greater than in normal cruise flight. In a constant rate turn, increased load factors will cause an airplane's stall speed to increase as the angle of bank increases. Excessively steep banks should be avoided because the airplane will stall at a much higher speed.
Probable Cause: A loss of engine power for undetermined reasons. Contributing to the accident was the pilot's failure to maintain aircraft control which resulted in an aerodynamic stall.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 08-Jul-2008 10:58 | Fusko | Added |
| 08-Jul-2008 10:59 | harro | Updated |
| 23-Jul-2008 11:38 | Fusko | Updated |
| 21-Dec-2016 19:14 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 21-Dec-2016 19:16 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 21-Dec-2016 19:20 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 03-Dec-2017 11:25 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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