ASN Wikibase Occurrence # 218023
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| Date: | Saturday 17 November 2018 |
| Time: | 12:37 |
| Type: |  Van's RV-12 |
| Owner/operator: | Private |
| Registration: | N232VA |
| MSN: | 12006 |
| Year of manufacture: | 2013 |
| Total airframe hrs: | 389 hours |
| Engine model: | Rotax 912ULS |
| Fatalities: | Fatalities: 1 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Ruckel Airport (FL17), Niceville, FL -
 United States of America
|
| Phase: | Landing |
| Nature: | Training |
| Departure airport: | Niceville, FL (FL17) |
| Niceville, FL (FL17) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The owner of the airplane, who was a flight instructor, completed a 100-hour inspection on the light sport airplane before another flight instructor departed in the airplane on an instructional flight. That instructor reported that, during takeoff, the engine was not producing full power and experienced a momentary loss of power. He returned to the airport and landed uneventfully. The owner examined the airplane and concluded that the loss of power was likely due to vapor lock. They left the engine cowl open to cool the engine, and about 2 hours later, the owner/flight instructor departed with a student on the accident flight. The student stated that, after takeoff, the engine sputtered and the flight instructor took control. He had no recollection of the accident other than that the altimeter indicated 240 ft.
Recorded data revealed that the airplane experienced a significant reduction in engine rpm for unknown reasons about 35 seconds after the takeoff. The throttle was reduced, and the airplane reached a maximum altitude of about 250 ft at an airspeed of 44 knots. Vertical acceleration began to oscillate, the airplane was banking to the left and reached a 68° left wing down bank angle. It then began to descend rapidly; the throttle was advanced and engine speed increased; however, shortly thereafter, the airplane impacted the ground. Examination of the airframe and engine did not reveal any preimpact anomalies. The airplane's flight track and recorded data were consistent with it entering a stall during a left turn back toward the airport.
Probable Cause: A partial loss of engine power during initial climb for undetermined reasons, and pilot's failure to maintain airspeed during a turn back to the runway, which resulted in an exceedance of the airplane's critical angle of attack, and subsequent aerodynamic stall.
Accident investigation:
 |
|
Sources:
NTSB
FAA register: https://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=232VA%20
Location
Media:
#Update: Forest Rd in Niceville, FL has been reopened after a small plane crashed near it. Two people have been transported to a hospital with serious injuries. @weartv @ABC pic.twitter.com/A0tF7uI9ml
— Daniel Guilliot (@WEARDanielg) 17 novembre 2018
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 17-Nov-2018 21:19 | Geno | Added |
| 17-Nov-2018 22:18 | Iceman 29 | Updated [Embed code, Damage] |
| 18-Nov-2018 07:55 | Anon. | Updated [Total fatalities, Embed code, Narrative] |
| 18-Nov-2018 10:10 | Anon. | Updated [Narrative] |
| 22-May-2020 09:26 | ASN Update Bot | Updated [Time, Operator, Nature, Departure airport, Destination airport, Source, Damage, Narrative, Accident report, ] |
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