ASN Wikibase Occurrence # 189106
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| Date: | Friday 5 August 2016 |
| Time: | 11:13 |
| Type: |  Piper PA-11 Cub Special |
| Owner/operator: | Agri-flite Inc |
| Registration: | N4707M |
| MSN: | 11-216 |
| Year of manufacture: | 1947 |
| Total airframe hrs: | 6231 hours |
| Engine model: | Continental A-65-8 |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | near Laverty Field Airport, Indianola, IA -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Private |
| Departure airport: | Indianola, IA (IA41) |
| Indianola, IA (IA41) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The commercial pilot was using a company airplane to accumulate flight time and experience. Two witnesses reported seeing the airplane climbing after takeoff and noted that the airplane was flying slowly and that it had a “hard time getting any lift.” The airplane finally started to climb; however, the wings started rocking and the airplane subsequently descended into terrain. The witness statements were consistent with the prestall motions of the airplane.
The pilot and passenger were employed as company ground personnel. According to company policy, the pilot was not allowed to fly with passengers, and the passenger was only allowed to fly with a company flight instructor. The pilot was not a flight instructor. Examination of the airplane revealed no mechanical anomalies that would have precluded normal operation. A postaccident estimation of the airplane's weight and balance showed that the airplane exceeded its maximum gross weight at the time of the takeoff. It is likely that the pilot’s inadequate preflight planning led to the airplane being operated above its maximum gross weight and degraded its climb performance and led to an aerodynamic stall.
Probable Cause: The pilot's inadequate preflight planning, which resulted in the airplane being operated above its maximum gross weight, degraded its climb performance, and led to an aerodynamic stall during the initial climb.
Accident investigation:
 |
|
Sources:
NTSB
FAA register: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=4707M
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 05-Aug-2016 20:46 | Geno | Added |
| 05-Aug-2016 20:47 | Geno | Updated [Source] |
| 06-Aug-2016 10:58 | Iceman 29 | Updated [Aircraft type, Total fatalities, Total occupants, Location, Nature, Source, Narrative] |
| 06-Aug-2016 11:08 | Aerossurance | Updated [Time, Location, Narrative] |
| 06-Aug-2016 17:08 | Stefan | Updated [Damage] |
| 07-Aug-2016 20:35 | Geno | Updated [Registration, Cn, Operator, Departure airport, Destination airport, Source] |
| 12-Aug-2016 11:49 | Iceman 29 | Updated [Source, Narrative] |
| 22-Aug-2016 16:25 | Alpine Flight | Updated [Time, Aircraft type, Location, Phase] |
| 27-Jul-2017 19:38 | Aerossurance | Updated [Time, Location, Phase, Nature, Narrative] |
| 19-Aug-2017 16:48 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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