Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; Little Rock, Salt Lake City, Utah
Aviation Accident Factual Report - National Transportation Safety Board: https://app.ntsb.gov/pdf
Investigation Docket - National Transportation Safety Board: https://dms.ntsb.gov/pubdms
http://registry.faa.gov/N428US
Location: Nephi, UT
Accident Number: GAA18CA314
Date & Time: 05/30/2018, 1415 MDT
Registration: N428US
Aircraft: SCHLEICHER ASW
Aircraft Damage: Substantial
Defining Event: Abrupt maneuver
Injuries: 1 None
Flight Conducted Under: Part 91: General Aviation - Personal
The pilot of the glider reported that, while enroute on a local flight, the "lift died" and he decided to return to the departure airport. He was about 3-4 miles from the airport when the glider experienced a "moderate to severe sink" and decided to set up to land in a nearby field. At approximately 200 ft. above the ground, the glider encountered a strong updraft that lasted 15-30 seconds, and "even with full spoilers, it was obvious [he] would not be able to land". He stowed the spoilers, pitched up slightly and focused on another landing site.
The pilot further reported, that during touchdown at the alternate landing site, he noticed there were "sprinkler pipes and wheels". He added, "it looked like [he] would still hit the sprinkler pipes", so, to avoid the industrial farm sprinklers ahead, the pilot abruptly pitched the nose down and landed hard on the field.
The glider sustained substantial damage to the wings, fuselage, and empennage.
The pilot reported that there were no preaccident mechanical failures or malfunctions with the glider that would have precluded normal operation.
Pilot Information
Certificate: Airline Transport; Flight Instructor; Commercial; Flight Engineer
Age: 53, Male
Airplane Rating(s): Multi-engine Land; Single-engine Land
Seat Occupied: Single
Other Aircraft Rating(s): Glider
Restraint Used:
Instrument Rating(s): Airplane
Second Pilot Present: No
Instructor Rating(s): Airplane Multi-engine; Airplane Single-engine; Glider; Instrument Airplane
Toxicology Performed: No
Medical Certification: Class 1 With Waivers/Limitations
Last FAA Medical Exam: 03/15/2018
Occupational Pilot:
Last Flight Review or Equivalent:
Flight Time: (Estimated) 13800 hours (Total, all aircraft), 100 hours (Total, this make and model), 5100 hours (Pilot In Command, all aircraft), 100 hours (Last 90 days, all aircraft), 5 hours (Last 30 days, all aircraft), 1 hours (Last 24 hours, all aircraft)
Aircraft and Owner/Operator Information
Aircraft Make: SCHLEICHER
Registration: N428US
Model/Series: ASW 20C
Aircraft Category: Glider
Year of Manufacture: 1983
Amateur Built: No
Airworthiness Certificate: Experimental
Serial Number: 20628
Landing Gear Type: Retractable -
Seats: 1
Date/Type of Last Inspection: 05/28/2017, Condition
Certified Max Gross Wt.:
Time Since Last Inspection:
Engines:
Airframe Total Time: 1600 Hours at time of accident
Engine Manufacturer:
ELT: Not installed
Engine Model/Series:
Registered Owner: On file
Rated Power:
Operator: On file
Operating Certificate(s) Held: None
Meteorological Information and Flight Plan
Conditions at Accident Site: Visual Conditions
Condition of Light: Day
Observation Facility, Elevation: KPVU, 4497 ft msl
Distance from Accident Site: 31 Nautical Miles
Observation Time: 1956 UTC
Direction from Accident Site: 14°
Lowest Cloud Condition: Scattered / 13000 ft agl
Visibility: 10 Miles
Lowest Ceiling: Broken / 23000 ft agl
Visibility (RVR):
Wind Speed/Gusts: Light and Variable /
Turbulence Type Forecast/Actual: / None
Wind Direction: Variable
Turbulence Severity Forecast/Actual: / N/A
Altimeter Setting: 29.83 inches Hg
Temperature/Dew Point: 29°C / 5°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: NEPHI, UT (U14)
Type of Flight Plan Filed: None
Destination: NEPHI, UT (U14)
Type of Clearance: None
Departure Time: 1330 MST
Type of Airspace: Class G
Airport Information
Airport: NEPHI MUNI (U14)
Runway Surface Type: Asphalt
Airport Elevation: 5020 ft
Runway Surface Condition: Unknown
Runway Used: 17
IFR Approach: None
Runway Length/Width: 6300 ft / 100 ft
VFR Approach/Landing: None
Wreckage and Impact Information
Crew Injuries: 1 None
Aircraft Damage: Substantial
Passenger Injuries: N/A
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 1 None
Latitude, Longitude: 39.711667, -111.891667 (est)
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