ASN Wikibase Occurrence # 233168
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| Date: | Saturday 22 February 2020 |
| Time: | 14:30 |
| Type: |  Commander 114B |
| Owner/operator: | Private |
| Registration: | N374JW |
| MSN: | 14595 |
| Year of manufacture: | 1993 |
| Total airframe hrs: | 1882 hours |
| Engine model: | Lycoming IO-540-T4B5 |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Branch County Memorial Airport (KOEB), Coldwater, MI -
 United States of America
|
| Phase: | Take off |
| Nature: | Training |
| Departure airport: | Coldwater, MI (OEB) |
| Coldwater, MI (OEB) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The flight instructor reported that, during a flight review for the pilot, after takeoff and when the airplane was between about 300 and 400 ft above ground level, he reduced the throttle to idle to simulate an engine failure. The instructor expected the pilot to make a gradual right turn to land midfield on the intersecting runway. However, the pilot did not respond as expected, so the instructor assumed control, made a right turn, and lowered the airplane's nose. The pilot reported that, about the same time, he thought the airplane was too low, so he advanced the throttle full forward, but they could not arrest the descent. They felt the airplane shudder, and it experienced an aerodynamic stall and impacted terrain. A postimpact fire ensued under the engine cowling, which the passenger extinguished using the onboard fire extinguisher. The airplane sustained substantial damage to the fuselage and both wings. Examination of the propeller revealed curling and chordwise scratches on the blades, and the engine monitor indicated that the engine was turning at 2,625 rpm after the throttle was pushed forward, both of which are consistent with the engine producing high power at the time of the accident.
Probable Cause: The flight instructor’s inadequate communication with the pilot under review about his intention to simulate a single-engine failure and his subsequent exceedance of the airplane’s critical angle of attack when the pilot did not respond as expected, which resulted in an aerodynamic stall at low altitude.
Accident investigation:
 |
|
Sources:
NTSB
https://flightaware.com/live/flight/N374JW
FAA register: https://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=374JW
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 23-Feb-2020 00:56 | Geno | Added |
| 23-Feb-2020 01:14 | Geno | Updated [Registration, Source] |
| 23-Feb-2020 04:33 | RobertMB | Updated [Aircraft type, Source, Narrative] |
| 23-Feb-2020 04:34 | RobertMB | Updated [Location] |
| 23-Feb-2020 04:36 | RobertMB | Updated [Narrative] |
| 24-Feb-2020 22:17 | Captain Adam | Updated [Narrative] |
| 01-Sep-2020 16:55 | ASN Update Bot | Updated [Time, Operator, Departure airport, Destination airport, Source, Narrative, Accident report, ] |
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