ASN Wikibase Occurrence # 227700
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| Date: | Sunday 28 July 2019 |
| Time: | 15:09 LT |
| Type: |  Piper PA-34-200 Seneca I |
| Owner/operator: | US Aviation Group LLC |
| Registration: | N456AG |
| MSN: | 34-7350330 |
| Year of manufacture: | 1973 |
| Total airframe hrs: | 3345 hours |
| Engine model: | Lycoming IO-360-C1E6 |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | N of Gainesville Municipal Airport (KGLE/GLE), TX -
 United States of America
|
| Phase: | Approach |
| Nature: | Training |
| Departure airport: | Denton Municipal Airport, TX (KDTO) |
| Gainesville Municipal Airport, TX (GLE/KGLE) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The flight instructor and pilot receiving instruction were conducting a training flight in the multi-engine airplane, which included several takeoffs and landings. Flight track data indicated that, just before the accident, the airplane was on a 1/2-mile final approach for landing about 250 ft above ground level. The airplane subsequently impacted the ground about 1,500 ft left of the approach end of the runway in a left-wing low attitude. A post-impact fire ensued.
Examination of the left engine propeller showed indications of low or no power; the right engine propeller displayed evidence of moderate or higher power at the time of impact. The left engine No. 2 cylinder fuel injector nozzle was plugged with an unknown substance. Fire damage precluded further determination of mechanical factors related to the asymmetric engine power at the time of impact.
The accident airplane's engines had been recently replaced and since replacement, both engines had experienced loss of power events during ground operations. Maintenance actions included adjusting the fuel mixture idle setting and a ground test run, during which the problem could not be duplicated. A witness stated that, immediately before departing on the accident flight, the airplane's left engine lost power and was restarted. Several flight instructors voiced concerns with the company's inadequate maintenance practices and stated that there were self-induced pressures to complete training flights.
Review of the pilot's training records indicated difficulty with maintaining airplane control during simulated one engine inoperative flight, and deficient language skills that resulted in a previous event during which another flight instructor experienced difficulty taking control of the airplane from the pilot.
Evidence at the accident site was consistent with asymmetric engine power at the time of the accident, but whether there was an actual loss of left engine power or if the approach was being conducted with a simulated loss of left engine power could not be determined. The position of the wreckage left of the runway and the airplane's impact in a left-wing-low attitude is consistent with a loss of control due to a failure to maintain minimum control airspeed (Vmc) during the landing approach.
Probable Cause: The pilots' failure to maintain airspeed while on final approach with asymmetric engine power, which resulted in a loss of control.
Accident investigation:
 |
|
Sources:
NTSB CEN19FA238
https://flightaware.com/live/flight/N456AG/history/20190728/1940Z/KDTO/KGLE
FAA register: https://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=N456AG
Location
Media:
Instructor, Student Killed After Small Plane Crashes In Gainesville https://t.co/c3max279Xv pic.twitter.com/D4PHQofBk0
— Dallas Informer (@Dallasinformer) July 29, 2019
A pilot instructor and her student have died after their plane crashed Sunday afternoon in Gainesville, Texas. https://t.co/SNokDVs3hU pic.twitter.com/LbtNL6NoOJ
— Breaking Aviation News (@breakingavnews) July 29, 2019
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 28-Jul-2019 23:17 | Captain Adam | Added |
| 28-Jul-2019 23:20 | Captain Adam | Updated [Destination airport, Source, Damage, Narrative] |
| 29-Jul-2019 01:40 | Geno | Updated [Time, Aircraft type, Registration, Cn, Operator, Location, Nature, Departure airport, Source, Narrative] |
| 29-Jul-2019 12:38 | Anon. | Updated [Total fatalities] |
| 29-Jul-2019 17:37 | Iceman 29 | Updated [Embed code] |
| 29-Jul-2019 23:19 | RobertMB | Updated [Registration, Source, Embed code, Narrative] |
| 30-Jul-2019 05:52 | Anon. | Updated [Narrative] |
| 03-Aug-2020 06:32 | yudongx | Updated [Narrative] |
| 02-Jul-2022 07:14 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Destination airport, Source, Embed code, Narrative, Category, Accident report] |
| 02-Jul-2022 07:20 | harro | Updated [Operator, Source, Embed code, Narrative] |
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