ASN Wikibase Occurrence # 187561
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| Date: | Monday 23 May 2016 |
| Time: | 09:22 |
| Type: |  Cessna 182H Skylane |
| Owner/operator: | D & J Air Adventures Inc |
| Registration: | N2007X |
| MSN: | 18256107 |
| Year of manufacture: | 1965 |
| Total airframe hrs: | 8278 hours |
| Engine model: | Continental O-470 SERIES |
| Fatalities: | Fatalities: 5 / Occupants: 5 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | near Port Allen Airport, Kauai, HI -
 United States of America
|
| Phase: | Take off |
| Nature: | Parachuting |
| Departure airport: | Hanapepe-Port Allen Airport, HI (PAK/PHPA) |
| Hanapepe-Port Allen Airport, HI (PAK/PHPA) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The commercial pilot and four passenger-skydivers were departing in the airplane on a local area skydiving flight in visual meteorological conditions. Witnesses observed the airplane make a normal takeoff from the runway. Two witnesses reported that, shortly after takeoff, the engine seemed to stop producing power. Subsequently, the airplane rolled to the right while rapidly losing altitude. The airplane completed about a 360° rotation and impacted terrain in a nose-down attitude.
One of the four cameras recovered from the wreckage contained a 33-second video that captured the flight from the takeoff roll through the impact. The video showed the airplane after takeoff in a positive climb and a slight left roll. About 24 seconds into the recording, the video's audio track revealed a reduction in the volume of the engine sound. Two seconds later, the airplane started to roll to the right. The movement of the camera became increasingly erratic, consistent with the airplane entering an unusual flight attitude. The engine sound continued to decrease until the airplane impacted the ground. A sound spectrum study showed that the engine rpm decreased from 2,650 to 1,215 over the final 9 seconds of the flight, consistent with a partial loss of engine power.
Postaccident examination of the airplane revealed no evidence of any preimpact mechanical failures or anomalies that would have precluded normal operation. The airplane was estimated to be about 10 lbs above its maximum gross weight and within the center-of-gravity limits published for the maximum gross weight; therefore, weight and balance was likely not a factor in the accident.
The weather conditions at the time of takeoff were conductive to the formation of carburetor ice at glide power. Given that the airplane was operating at a high power setting at the time of takeoff, carburetor icing was unlikely.
Based on the witness observations and the onboard video recording, it is likely that the pilot failed to maintain airspeed following a partial loss of engine power, which resulted in the airplane exceeding its critical angle of attack and experiencing an aerodynamic stall. The reason for the partial loss of engine power could not be determined.
Probable Cause: The pilot's failure to maintain airspeed following a partial loss of engine power for reasons that could not be determined during postaccident examination, which resulted in the airplane exceeding its critical angle of attack and experiencing an aerodynamic stall.
Accident investigation:
 |
|
Sources:
NTSB
FAA register: http://registry.faa.gov/aircraftinquiry/Name_Results.aspx?Nametxt=D+%26+J+AIR+ADVENTURES&sort_option=1&PageNo=1
FAA register: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=2007X
Location
Images:
Photo(c): NTSB
Media:
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 23-May-2016 23:21 | Geno | Added |
| 24-May-2016 01:18 | Geno | Updated [Registration, Cn, Operator, Source] |
| 24-May-2016 10:39 | Iceman 29 | Updated [Embed code] |
| 24-May-2016 15:10 | Aerossurance | Updated [Time, Operator, Location, Source, Narrative] |
| 21-Dec-2016 19:30 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 12-Dec-2017 20:01 | ASN Update Bot | Updated [Operator, Departure airport, Destination airport, Source, Narrative] |
| 03-Apr-2019 21:32 | Captain Adam | Updated [Operator, Source] |
| 06-Mar-2022 19:30 | Captain Adam | Updated [Operator, Location, Departure airport, Destination airport, Source, Photo] |
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