ASN Wikibase Occurrence # 279156
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| Date: | Thursday 9 June 2022 |
| Time: | 18:37 LT |
| Type: | HpH Glasflügel 304MS Shark |
| Owner/operator: | |
| Registration: | N249SD |
| MSN: | 110-MS |
| Year of manufacture: | 2019 |
| Engine model: | SOLO 2625 01 |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | near Rifle-Garfield County Airport (RIL/KRIL), CO -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | Rifle, CO |
| Rifle, CO | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
As the pilot maneuvered the glider in the airport traffic pattern, he radioed that he experienced a heavy sink rate. Shortly thereafter, the glider impacted the ground on airport property. Airport and weather surveillance cameras recorded blowing dust indicating gusting wind. Further meteorological reports supported the possibility of wind speeds up to 67 knots due to a downdraft, outflow boundary, or gust front.
Airport surveillance video showed the glider descend in a left wing low, nose low attitude before it struck the ground. About the same time a dust cloud was seen on the video travelling the same direction as the glider, indicating a tailwind.
Postaccident examination of the glider did not reveal any mechanical malfunctions or failures that would have precluded normal operation. The examination also revealed that the glider's retractable engine was stowed within the aft fuselage and was not available to enhance the glider's climb capability.
The accident occurred at the end of a flight that exceeded 5 hours in duration, and it is unknown if the pilot had access to or had received updated weather information during the flight. The terminal area forecast before departure did not indicate a chance of precipitation or rain showers for the accident site. However, about 4 hours before the accident it was updated to include the potential for convective activity.
Based on the available evidence, the glider entered an area with weather conditions that included downdrafts and wind gusts, that the pilot could not overcome before the glider impacted the ground.
Probable Cause: The glider's encounter with gusting tailwind and downdraft conditions that the pilot was unable to overcome.
Accident investigation:
 |
|
Sources:
NTSB CEN22FA240
https://flightaware.com/live/flight/N249SD
FAA register: FAA register: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=249SD
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 10-Jun-2022 14:04 | Captain Adam | Added |
| 10-Jun-2022 15:27 | RobertMB | Updated [Time, Registration, Cn, Operator, Total fatalities, Total occupants, Other fatalities, Nature, Source, Embed code, Damage, Narrative] |
| 10-Jun-2022 15:28 | Captain Adam | Updated [Time, Source, Narrative] |
| 10-Jun-2022 15:29 | Captain Adam | Updated [Time, Location, Departure airport, Destination airport, Source] |
| 10-Jun-2022 17:02 | johnwg | Updated [Time, Source, Category] |
| 25-Jun-2022 12:36 | Tklose | Updated [Source, Narrative] |
| 28-Jun-2022 21:29 | Captain Adam | Updated [Time, Phase, Source, Damage, Narrative, Category] |
| 02-Feb-2024 12:17 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Phase, Departure airport, Destination airport, Source, Narrative, Accident report] |
| 02-Feb-2024 12:17 | harro | Updated [Other fatalities, Departure airport, Destination airport, Source, Embed code, Narrative] |
| 11-Feb-2024 11:54 | ASN Update Bot | Updated [Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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